Company lists · Data refreshed September 2026
Top 25 Retrofit consultants based in the United States
RevenueBase identified 4,306 company matches for retrofit consultants associated with the United States as of September 2026 and tracks 79,228 professional contacts across them, including 35,540 with verified work emails. New York is the largest hub.
This list covers company matches for retrofit consultants associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest retrofit consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,156 contacts → | ||||
Exact match “Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,177 contacts → | ||||
Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,985 contacts → | ||||
Exact match “Leaders in Engineering and Innovation.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,290 contacts → | ||||
Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 1,145 contacts → | ||||
Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 1,012 contacts → | ||||
Exact match “Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 942 contacts → | ||||
Exact match “Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 822 contacts → | ||||
Exact match “Introba is one of the world’s largest building engineering and consulting firms with more than employees in offices across the United States, Canada, the United Kingdom, Serbia…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 803 contacts → | ||||
Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 744 contacts → | ||||
Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 545 contacts → | ||||
Exact match “Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 518 contacts → | ||||
Exact match “Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 516 contacts → | ||||
Exact match “We are an engineering firm that goes beyond a typical consulting role.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 512 contacts → | ||||
Exact match “Founded in New York City in 1969, DeSimone provides structural engineering, façade and building envelope consulting, vertical transportation consulting, forensics, structural…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 467 contacts → | ||||
Exact match “MBP is a multi-disciplined consulting firm that provides a broad range of professional services designed to mitigate risk and optimize value within the built environment.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 465 contacts → | ||||
Exact match “Jaros, Baum & Bolles, Inc.(JB & B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 450 contacts → | ||||
Exact match “SitelogIQ provides design, engineering, and construction management services that help organizations nationwide modernize their facilities and infrastructure.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 441 contacts → | ||||
Exact match “Lerch Bates is the global multidisciplinary technical consultancy saving time and money for those designing, modernizing, investigating, or managing buildings.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 404 contacts → | ||||
Exact match “DCI Engineers has been providing client-focused structural and civil engineering services for over three decades.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 399 contacts → | ||||
Exact match “Founded in 1983, RMF Engineering provides planning, design, engineering, commissioning and facility assessment services globally to clients in the healthcare, higher education…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 386 contacts → | ||||
Exact match “Glumac, a Tetra Tech Company, is a global leader in building engineering, committed to delivering a low carbon future for all.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 375 contacts → | ||||
Exact match “P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 365 contacts → | ||||
Exact match “Manhard Consulting has joined Atwell, a national consulting, engineering, and construction services firm with 2,100 technical professionals across the country.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 363 contacts → | ||||
Exact match “We help clients design and operate facilities that remain resilient, reliable, and ready for what's next.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 355 contacts → | ||||
Exact match “Wendel is an Architecture, Engineering, Energy Efficiency, and Construction Management Firm that delivers customized solutions and turnkey projects in innovative ways.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “retrofit consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 4,306 retrofit consultants based in the United States
See the full list, filter by size, metro and specialty, and access 35,540 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Retrofit consultants based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,306 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “retrofit consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 35,540 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Retrofit consultants by metro
- Retrofit consultants in New York203
- Retrofit consultants in Houston80
- Retrofit consultants in Chicago60
- Retrofit consultants in San Francisco60
- Retrofit consultants in Los Angeles59
- Retrofit consultants in San Diego58
- Retrofit consultants in Atlanta46
- Retrofit consultants in Denver46
- Retrofit consultants in Miami46
- Retrofit consultants in Dallas42
- Retrofit consultants in Austin40
- Retrofit consultants in Portland40
- Retrofit consultants in Seattle36
- Retrofit consultants in Charlotte29
- Retrofit consultants in Tampa29
- Retrofit consultants in San Jose28
- Retrofit consultants in Phoenix27
- Retrofit consultants in San Antonio26
- Retrofit consultants in Philadelphia25
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “retrofit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit consultants are there based in the United States?
RevenueBase identified 4,306 company matches for retrofit consultants associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Sargent & Lundy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofit consultants?
New York leads with 203 company records, followed by Houston (80) and Chicago (60).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 35,540 professional contacts with verified work emails tracked across these 4,306 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,306 retrofit consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Retrofit consultants by geography
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
- Retrofit consultants based in Vienna, Austria
- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil
- Retrofit consultants based in Porto Alegre, Brazil
- Retrofit consultants based in Rio De Janeiro, Brazil
- Retrofit consultants based in Sao Paulo, Brazil
- Retrofit consultants based in Burnaby, Canada
- Retrofit consultants based in Calgary, Canada
- Retrofit consultants based in Edmonton, Canada
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil
Company intelligence · public preview
Top 25 retrofit consultants based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 4,306 matching company records for retrofit consultants based in the United States, with 79,228 tracked contacts and 35,540 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 retrofit consultants based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Sargent & Lundysargentlundy.comHQ: Chicago, WY, United StatesReported employees: 1,001-5,000 | Chicago, WY, United States | 1,001-5,000 | Exact match | 4,156 contacts → |
“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,177 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  IMEGimegcorp.comHQ: Rock Island, IL, United StatesReported employees: 1,001-5,000 | Rock Island, IL, United States | 1,001-5,000 | Exact match | 1,985 contacts → |
“Leaders in Engineering and Innovation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Atwell, LLCatwell.comHQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 1,290 contacts → |
“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  OLAola-austin.comHQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,145 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Affiliated Engineers, INCaeieng.comHQ: Madison, WI, United StatesReported employees: 1,001-5,000 | Madison, WI, United States | 1,001-5,000 | Exact match | 1,012 contacts → |
“Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Simpson Gumpertz & Heger SGHsgh.comHQ: Waltham, MA, United StatesReported employees: 501-1,000 | Waltham, MA, United States | 501-1,000 | Exact match | 942 contacts → |
“Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Introbaintroba.comHQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Introba is one of the world’s largest building engineering and consulting firms with more than employees in offices across the United States, Canada, the United Kingdom, Serbia…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Syska Hennessy Groupsyska.comHQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 803 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PAEpae-engineers.comHQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 744 contacts → |
“PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vanderweil Engineersvanderweil.comHQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 545 contacts → |
“Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Nova Engineering And Environmental, LLCusanova.comHQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  RTM Engineering Consultantsrtmec.comHQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 516 contacts → |
“We are an engineering firm that goes beyond a typical consulting role.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Desimone Consulting Engineeringdesimone.comHQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 512 contacts → |
“Founded in New York City in 1969, DeSimone provides structural engineering, façade and building envelope consulting, vertical transportation consulting, forensics, structural…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MBP Mcdonough Bolyard Peckmbpce.comHQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 467 contacts → |
“MBP is a multi-disciplined consulting firm that provides a broad range of professional services designed to mitigate risk and optimize value within the built environment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Jaros, Baum & Bolles Jb&bjbb.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 465 contacts → |
“Jaros, Baum & Bolles, Inc.(JB & B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sitelogiqsitelogiq.comHQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 450 contacts → |
“SitelogIQ provides design, engineering, and construction management services that help organizations nationwide modernize their facilities and infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Lerch Bates INClerchbates.com HQ: Highlands Ranch, CO, United StatesReported employees: 201-500 | Highlands Ranch, CO, United States | 201-500 | Exact match | 441 contacts → |
“Lerch Bates is the global multidisciplinary technical consultancy saving time and money for those designing, modernizing, investigating, or managing buildings.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  DCI Engineersdci-engineers.comHQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 404 contacts → |
“DCI Engineers has been providing client-focused structural and civil engineering services for over three decades.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  RMF Engineering, INCrmf.comHQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 399 contacts → |
“Founded in 1983, RMF Engineering provides planning, design, engineering, commissioning and facility assessment services globally to clients in the healthcare, higher education…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Glumacglumac.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 386 contacts → |
“Glumac, a Tetra Tech Company, is a global leader in building engineering, committed to delivering a low carbon future for all.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  P2sp2sinc.comHQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 375 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Manhard Consultingmanhard.comHQ: Lincolnshire, IL, United StatesReported employees: 201-500 | Lincolnshire, IL, United States | 201-500 | Exact match | 365 contacts → |
“Manhard Consulting has joined Atwell, a national consulting, engineering, and construction services firm with 2,100 technical professionals across the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Newcomb & Boyd, LLPnewcomb-boyd.comHQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 363 contacts → |
“We help clients design and operate facilities that remain resilient, reliable, and ready for what's next.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Wendel Companieswendelcompanies.comHQ: Williamsville, NY, United StatesReported employees: 201-500 | Williamsville, NY, United States | 201-500 | Exact match | 355 contacts → |
“Wendel is an Architecture, Engineering, Energy Efficiency, and Construction Management Firm that delivers customized solutions and turnkey projects in innovative ways.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,306 company matches
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Retrofit consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
4,299 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,306 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Retrofit consultants by metro
- Retrofit consultants in New York203
- Retrofit consultants in Houston80
- Retrofit consultants in Chicago60
- Retrofit consultants in San Francisco60
- Retrofit consultants in Los Angeles59
- Retrofit consultants in San Diego58
- Retrofit consultants in Atlanta46
- Retrofit consultants in Denver46
- Retrofit consultants in Miami46
- Retrofit consultants in Dallas42
- Retrofit consultants in Austin40
- Retrofit consultants in Portland40
- Retrofit consultants in Seattle36
- Retrofit consultants in Charlotte29
- Retrofit consultants in Tampa29
- Retrofit consultants in San Jose28
- Retrofit consultants in Phoenix27
- Retrofit consultants in San Antonio26
- Retrofit consultants in Philadelphia25
Questions about this company list
What does Exact match mean for retrofit consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit consultants did RevenueBase find based in the United States?
The saved snapshot records 4,306 matching company records, 79,228 tracked contacts and 35,540 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Retrofit consultants by geography
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
- Retrofit consultants based in Vienna, Austria
- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil
- Retrofit consultants based in Porto Alegre, Brazil
- Retrofit consultants based in Rio De Janeiro, Brazil
- Retrofit consultants based in Sao Paulo, Brazil
- Retrofit consultants based in Burnaby, Canada
- Retrofit consultants based in Calgary, Canada
- Retrofit consultants based in Edmonton, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 retrofit consultants based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- New lists
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
- Retrofit consultants based in Vienna, Austria
- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil
Company intelligence · public preview
Top 25 retrofit consultants based in the United States
RevenueBase records 4,306 matching company records for retrofit consultants based in the United States, with 79,228 tracked contacts and 35,540 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 retrofit consultants based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Sargent & Lundysargentlundy.com HQ: Chicago, WY, United StatesReported employees: 1,001-5,000 | Chicago, WY, United States | 1,001-5,000 | Exact match | 4,156 contacts → |
“Sargent & Lundy is one of the world’s longest-standing full-service architect engineering firms.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,177 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | IMEGimegcorp.com HQ: Rock Island, IL, United StatesReported employees: 1,001-5,000 | Rock Island, IL, United States | 1,001-5,000 | Exact match | 1,985 contacts → |
“Leaders in Engineering and Innovation.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Atwell, LLCatwell.com HQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 1,290 contacts → |
“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | OLAola-austin.com HQ: Austin, TX, United StatesReported employees: Not recorded | Austin, TX, United States | Not recorded | Exact match | 1,145 contacts → |
“OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Affiliated Engineers, INCaeieng.com HQ: Madison, WI, United StatesReported employees: 1,001-5,000 | Madison, WI, United States | 1,001-5,000 | Exact match | 1,012 contacts → |
“Affiliated Engineers, Inc.(AEI) provides engineering leadership and whole-mission solutions for complex building, energy, and utility projects.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Simpson Gumpertz & Heger SGHsgh.com HQ: Waltham, MA, United StatesReported employees: 501-1,000 | Waltham, MA, United States | 501-1,000 | Exact match | 942 contacts → |
“Simpson Gumpertz & Heger (SGH) is a national engineering firm committed to delivering holistic advice for our clients’ most complex challenges.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Introbaintroba.com HQ: St. Louis, MO, United StatesReported employees: 1,001-5,000 | St. Louis, MO, United States | 1,001-5,000 | Exact match | 822 contacts → |
“Introba is one of the world’s largest building engineering and consulting firms with more than employees in offices across the United States, Canada, the United Kingdom, Serbia…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Syska Hennessy Groupsyska.com HQ: New York, United StatesReported employees: 501-1,000 | New York, United States | 501-1,000 | Exact match | 803 contacts → |
“Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PAEpae-engineers.com HQ: Portland, OR, United StatesReported employees: 201-500 | Portland, OR, United States | 201-500 | Exact match | 744 contacts → |
“PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vanderweil Engineersvanderweil.com HQ: Boston, MA, United StatesReported employees: 201-500 | Boston, MA, United States | 201-500 | Exact match | 545 contacts → |
“Vanderweil is a mechanical, electrical, plumbing, fire protection, technology, sustainability, commissioning, and power engineering firm dedicated to providing customized and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nova Engineering And Environmental, LLCusanova.com HQ: Kennesaw, GA, United StatesReported employees: 501-1,000 | Kennesaw, GA, United States | 501-1,000 | Exact match | 518 contacts → |
“Established in 1996, NOVA was originally founded to provide Environmental Consulting, Geotechnical Engineering, and Construction Materials Testing and Inspection services to the…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | RTM Engineering Consultantsrtmec.com HQ: Schaumburg, IL, United StatesReported employees: 201-500 | Schaumburg, IL, United States | 201-500 | Exact match | 516 contacts → |
“We are an engineering firm that goes beyond a typical consulting role.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Desimone Consulting Engineeringdesimone.com HQ: New York, NY, United StatesReported employees: 501-1,000 | New York, NY, United States | 501-1,000 | Exact match | 512 contacts → |
“Founded in New York City in 1969, DeSimone provides structural engineering, façade and building envelope consulting, vertical transportation consulting, forensics, structural…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MBP Mcdonough Bolyard Peckmbpce.com HQ: Fairfax, VA, United StatesReported employees: 201-500 | Fairfax, VA, United States | 201-500 | Exact match | 467 contacts → |
“MBP is a multi-disciplined consulting firm that provides a broad range of professional services designed to mitigate risk and optimize value within the built environment.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Jaros, Baum & Bolles Jb&bjbb.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 465 contacts → |
“Jaros, Baum & Bolles, Inc.(JB & B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sitelogiqsitelogiq.com HQ: Minneapolis, MN, United StatesReported employees: 501-1,000 | Minneapolis, MN, United States | 501-1,000 | Exact match | 450 contacts → |
“SitelogIQ provides design, engineering, and construction management services that help organizations nationwide modernize their facilities and infrastructure.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Lerch Bates INClerchbates.com HQ: Highlands Ranch, CO, United StatesReported employees: 201-500 | Highlands Ranch, CO, United States | 201-500 | Exact match | 441 contacts → |
“Lerch Bates is the global multidisciplinary technical consultancy saving time and money for those designing, modernizing, investigating, or managing buildings.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | DCI Engineersdci-engineers.com HQ: Seattle, WA, United StatesReported employees: 201-500 | Seattle, WA, United States | 201-500 | Exact match | 404 contacts → |
“DCI Engineers has been providing client-focused structural and civil engineering services for over three decades.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | RMF Engineering, INCrmf.com HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 399 contacts → |
“Founded in 1983, RMF Engineering provides planning, design, engineering, commissioning and facility assessment services globally to clients in the healthcare, higher education…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Glumacglumac.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 386 contacts → |
“Glumac, a Tetra Tech Company, is a global leader in building engineering, committed to delivering a low carbon future for all.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | P2sp2sinc.com HQ: Long Beach, CA, United StatesReported employees: 201-500 | Long Beach, CA, United States | 201-500 | Exact match | 375 contacts → |
“P2S has brought forward-thinking, sustainable engineering solutions to California, the Pacific Northwest, and beyond, for over 30 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Manhard Consultingmanhard.com HQ: Lincolnshire, IL, United StatesReported employees: 201-500 | Lincolnshire, IL, United States | 201-500 | Exact match | 365 contacts → |
“Manhard Consulting has joined Atwell, a national consulting, engineering, and construction services firm with 2,100 technical professionals across the country.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Newcomb & Boyd, LLPnewcomb-boyd.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 363 contacts → |
“We help clients design and operate facilities that remain resilient, reliable, and ready for what's next.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Wendel Companieswendelcompanies.com HQ: Williamsville, NY, United StatesReported employees: 201-500 | Williamsville, NY, United States | 201-500 | Exact match | 355 contacts → |
“Wendel is an Architecture, Engineering, Energy Efficiency, and Construction Management Firm that delivers customized solutions and turnkey projects in innovative ways.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 4,306 company matches
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Retrofit consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
4,299 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,306 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Retrofit consultants by metro
- Retrofit consultants in New York203
- Retrofit consultants in Houston80
- Retrofit consultants in Chicago60
- Retrofit consultants in San Francisco60
- Retrofit consultants in Los Angeles59
- Retrofit consultants in San Diego58
- Retrofit consultants in Atlanta46
- Retrofit consultants in Denver46
- Retrofit consultants in Miami46
- Retrofit consultants in Dallas42
- Retrofit consultants in Austin40
- Retrofit consultants in Portland40
- Retrofit consultants in Seattle36
- Retrofit consultants in Charlotte29
- Retrofit consultants in Tampa29
- Retrofit consultants in San Jose28
- Retrofit consultants in Phoenix27
- Retrofit consultants in San Antonio26
- Retrofit consultants in Philadelphia25
Questions about this company list
What does Exact match mean for retrofit consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit consultants did RevenueBase find based in the United States?
The saved snapshot records 4,306 matching company records, 79,228 tracked contacts and 35,540 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Retrofit consultants by geography
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
- Retrofit consultants based in Vienna, Austria
- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil
- Retrofit consultants based in Porto Alegre, Brazil
- Retrofit consultants based in Rio De Janeiro, Brazil
- Retrofit consultants based in Sao Paulo, Brazil
- Retrofit consultants based in Burnaby, Canada
- Retrofit consultants based in Calgary, Canada
- Retrofit consultants based in Edmonton, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 retrofit consultants based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consultants/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
- Retrofit consultants based in Vienna, Austria
- Retrofit consultants based in Belo Horizonte, Brazil
- Retrofit consultants based in Curitiba, Brazil