Company lists · Data refreshed November 2026
Top 25 Contract engineering firms based in the United States
RevenueBase identified 1,837 company matches for contract engineering firms associated with the United States as of November 2026 and tracks 37,803 professional contacts across them, including 16,986 with verified work emails. Houston is the largest hub.
This list covers company matches for contract engineering firms 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 November 6, 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 contract engineering firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,439 contacts → | ||||
Exact match “Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,401 contacts → | ||||
Exact match “With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 922 contacts → | ||||
Exact match “Founded in 1926, Shambaugh & Son, L.P.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 919 contacts → | ||||
Exact match “The right team is more than an advantage.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 733 contacts → | ||||
Exact match “Overland Contracting Inc,(OCI) is a Black & Veatch Company (BV) that provides construction services in the open/merit shop arena.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 535 contacts → | ||||
Exact match “Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 522 contacts → | ||||
Exact match “We are an engineering firm that goes beyond a typical consulting role.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 462 contacts → | ||||
Exact match “Established in 1980, Optimized Process Designs LLC (OPD) provides clients with detailed engineering packages in all disciplines, single-point procurement for all equipment and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 454 contacts → | ||||
Exact match “As one of California’s earliest general contractors, Griffith Company is proud to have contributed our capabilities, resources and engineering expertise to help our region grow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 437 contacts → | ||||
Exact match “Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 435 contacts → | ||||
Exact match “Founded in 1909, Boh Bros.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 336 contacts → | ||||
Exact match “Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 333 contacts → | ||||
Exact match “Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 331 contacts → | ||||
Exact match “The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 328 contacts → | ||||
Exact match “Mission: We listen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 322 contacts → | ||||
Exact match “M&J Engineering, D.P.C.(M&J) is a quality provider of multi-discipline consulting engineering services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 284 contacts → | ||||
Exact match “Engineered to crack the code of possibility.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 262 contacts → | ||||
Exact match “Our companies unite the practical knowledge of construction with the resources of a full service civil engineering firm to offer a unique and valuable combination of services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 258 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 228 contacts → | ||||
Exact match “In 1971, physicist Don Hokanson traded his university career for a hammer and a dream.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 226 contacts → | ||||
Exact match “Infrastructure Engineering Inc.(IEI) is a majority African American-owned, multi-disciplinary consulting firm with offices in eight states that delivers design engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 220 contacts → | ||||
Exact match “For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 212 contacts → | ||||
Exact match “In 1979, Jesse Ross founded J.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 209 contacts → | ||||
Exact match “Partner with AC to Supercharge Your Technology Development Andrews Cooper is an engineering services firm in the Pacific Northwest specializing in highly complex technology…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 204 contacts → | ||||
Exact match “Since it's founding in 1956, Loring Consulting Engineers, Inc.(Loring), a full-service consulting engineering firm with offices in Washington-DC, Gaithersburg-MD, Durham-NC, New…” Recorded in the RevenueBase company graph · Nov 6, 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 “contract engineering firms”. 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 1,837 contract engineering firms based in the United States
See the full list, filter by size, metro and specialty, and access 16,986 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Contract engineering firms based in the United States at a glance
As of Nov 6, 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 1,837 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 “contract engineering firms” 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 16,986 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 November 6, 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.
Contract engineering firms by metro
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 “contract engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many contract engineering firms are there based in the United States?
RevenueBase identified 1,837 company matches for contract engineering firms associated with the United States as of November 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?
The Haskell Company tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most contract engineering firms?
Houston leads with 40 company records, followed by New York (38) and Miami (24).
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 16,986 professional contacts with verified work emails tracked across these 1,837 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,837 contract engineering firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Contract engineering firms by geography
- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States
- Contract engineering firms based in Australia
- Contract engineering firms based in Austria
- Contract engineering firms based in Belgium
- Contract engineering firms based in Brazil
- Contract engineering firms based in Canada
- Contract engineering firms based in Chile
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States
Company intelligence · public preview
Top 25 contract engineering firms 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 1,837 matching company records for contract engineering firms based in the United States, with 37,803 tracked contacts and 16,986 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: November 6, 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 contract engineering firms 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 |  The Haskell Companyhaskell.comHQ: Jacksonville, WI, United StatesReported employees: 1,001-5,000 | Jacksonville, WI, United States | 1,001-5,000 | Exact match | 2,439 contacts → |
“Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  GPI Greenman-Pedersen, INCgpinet.comHQ: Melville, FL, United StatesReported employees: 1,001-5,000 | Melville, FL, United States | 1,001-5,000 | Exact match | 1,401 contacts → |
“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Shambaugh & Son, L.Pshambaugh.comHQ: Fort Wayne, IN, United StatesReported employees: 1,001-5,000 | Fort Wayne, IN, United States | 1,001-5,000 | Exact match | 922 contacts → |
“Founded in 1926, Shambaugh & Son, L.P.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Coffman Engineerscoffman.comHQ: Seattle, CO, United StatesReported employees: 501-1,000 | Seattle, CO, United States | 501-1,000 | Exact match | 919 contacts → |
“The right team is more than an advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Overland Contracting INCbv.comHQ: Garner, CO, United StatesReported employees: 1,001-5,000 | Garner, CO, United States | 1,001-5,000 | Exact match | 733 contacts → |
“Overland Contracting Inc,(OCI) is a Black & Veatch Company (BV) that provides construction services in the open/merit shop arena.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Thomas & Huttonthomasandhutton.comHQ: Savannah, GA, United StatesReported employees: 501-1,000 | Savannah, GA, United States | 501-1,000 | Exact match | 535 contacts → |
“Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  RTM Engineering Consultantsrtmec.comHQ: Schaumburg, KY, United StatesReported employees: 201-500 | Schaumburg, KY, United States | 201-500 | Exact match | 522 contacts → |
“We are an engineering firm that goes beyond a typical consulting role.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Optimized Process Designs LLCopdepc.comHQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 462 contacts → |
“Established in 1980, Optimized Process Designs LLC (OPD) provides clients with detailed engineering packages in all disciplines, single-point procurement for all equipment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Griffith Companygriffithcompany.netHQ: Brea, CA, United StatesReported employees: 501-1,000 | Brea, CA, United States | 501-1,000 | Exact match | 454 contacts → |
“As one of California’s earliest general contractors, Griffith Company is proud to have contributed our capabilities, resources and engineering expertise to help our region grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Cherry Hill, PA, United StatesReported employees: 501-1,000 | Cherry Hill, PA, United States | 501-1,000 | Exact match | 437 contacts → |
“Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  BOH Bros. Construction Co., LLCbohbros.comHQ: New Orleans, LA, United StatesReported employees: 501-1,000 | New Orleans, LA, United States | 501-1,000 | Exact match | 435 contacts → |
“Founded in 1909, Boh Bros.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  TRC Worldwide Engineering, INCtrcww.comHQ: Brentwood, FL, United StatesReported employees: 201-500 | Brentwood, FL, United States | 201-500 | Exact match | 336 contacts → |
“Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  C&i Engineeringcieng.comHQ: Louisville, TX, United StatesReported employees: 201-500 | Louisville, TX, United States | 201-500 | Exact match | 333 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  GIS Engineering, LLCgisyeng.comHQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 331 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Kapur & Associateskapurinc.comHQ: Milwaukee, IL, United StatesReported employees: 201-500 | Milwaukee, IL, United States | 201-500 | Exact match | 328 contacts → |
“Mission: We listen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  M&j Engineeringmjengineers.comHQ: New Hyde Park, NY, United StatesReported employees: 201-500 | New Hyde Park, NY, United States | 201-500 | Exact match | 322 contacts → |
“M&J Engineering, D.P.C.(M&J) is a quality provider of multi-discipline consulting engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  VAA LLCvaaeng.comHQ: Minneapolis, LA, United StatesReported employees: 201-500 | Minneapolis, LA, United States | 201-500 | Exact match | 284 contacts → |
“Engineered to crack the code of possibility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  DDS Companiesddscompanies.comHQ: West Henrietta, NY, United StatesReported employees: 201-500 | West Henrietta, NY, United States | 201-500 | Exact match | 262 contacts → |
“Our companies unite the practical knowledge of construction with the resources of a full service civil engineering firm to offer a unique and valuable combination of services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Design Systems, INCds-mfgengineering.comHQ: Farmington Hills, MI, United StatesReported employees: 201-500 | Farmington Hills, MI, United States | 201-500 | Exact match | 258 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  HHI Corporationhhicorp.comHQ: Ogden, UT, United StatesReported employees: 51-200 | Ogden, UT, United States | 51-200 | Exact match | 228 contacts → |
“In 1971, physicist Don Hokanson traded his university career for a hammer and a dream.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Infrastructure Engineering INCinfrastructure-eng.comHQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 226 contacts → |
“Infrastructure Engineering Inc.(IEI) is a majority African American-owned, multi-disciplinary consulting firm with offices in eight states that delivers design engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Waldemar S. Nelson & Co., INCwsnelson.comHQ: New Orleans, TX, United StatesReported employees: 201-500 | New Orleans, TX, United States | 201-500 | Exact match | 220 contacts → |
“For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Ross Groupwithrossgroup.comHQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 212 contacts → |
“In 1979, Jesse Ross founded J.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Andrews Cooperandrews-cooper.comHQ: Mcminnville, OR, United StatesReported employees: 51-200 | Mcminnville, OR, United States | 51-200 | Exact match | 209 contacts → |
“Partner with AC to Supercharge Your Technology Development Andrews Cooper is an engineering services firm in the Pacific Northwest specializing in highly complex technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Loring Consulting Engineers, INCloringengineers.comHQ: New York, NC, United StatesReported employees: 201-500 | New York, NC, United States | 201-500 | Exact match | 204 contacts → |
“Since it's founding in 1956, Loring Consulting Engineers, Inc.(Loring), a full-service consulting engineering firm with offices in Washington-DC, Gaithersburg-MD, Durham-NC, New…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,837 company matches
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Contract engineering firms: dataset insights
November 6, 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
1,833 records in the displayed employee bands.
4 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 1,837 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: November 6, 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 ↗
Contract engineering firms by metro
Questions about this company list
What does Exact match mean for contract engineering firms?
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 contract engineering firms did RevenueBase find based in the United States?
The saved snapshot records 1,837 matching company records, 37,803 tracked contacts and 16,986 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: November 6, 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
Contract engineering firms by geography
- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States
- Contract engineering firms based in Australia
- Contract engineering firms based in Austria
- Contract engineering firms based in Belgium
- Contract engineering firms based in Brazil
- Contract engineering firms based in Canada
- Contract engineering firms based in Chile
Cite this list
RevenueBase Data Team. Top 25 contract engineering firms based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/contract-engineering-firms/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
- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States
Company intelligence · public preview
Top 25 contract engineering firms based in the United States
RevenueBase records 1,837 matching company records for contract engineering firms based in the United States, with 37,803 tracked contacts and 16,986 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: November 6, 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 contract engineering firms 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 | The Haskell Companyhaskell.com HQ: Jacksonville, WI, United StatesReported employees: 1,001-5,000 | Jacksonville, WI, United States | 1,001-5,000 | Exact match | 2,439 contacts → |
“Haskell delivers over $3 billion annually in Architecture, Engineering, Construction (AEC) and Consulting solutions to assure certainty of outcome for complex capital projects…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | GPI Greenman-Pedersen, INCgpinet.com HQ: Melville, FL, United StatesReported employees: 1,001-5,000 | Melville, FL, United States | 1,001-5,000 | Exact match | 1,401 contacts → |
“With a staff of over 1,800 professionals, Greenman-Pedersen, Inc.(GPI) is a leading engineering consulting firm that specializes in the innovative design and construction of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Shambaugh & Son, L.Pshambaugh.com HQ: Fort Wayne, IN, United StatesReported employees: 1,001-5,000 | Fort Wayne, IN, United States | 1,001-5,000 | Exact match | 922 contacts → |
“Founded in 1926, Shambaugh & Son, L.P.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Coffman Engineerscoffman.com HQ: Seattle, CO, United StatesReported employees: 501-1,000 | Seattle, CO, United States | 501-1,000 | Exact match | 919 contacts → |
“The right team is more than an advantage.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Overland Contracting INCbv.com HQ: Garner, CO, United StatesReported employees: 1,001-5,000 | Garner, CO, United States | 1,001-5,000 | Exact match | 733 contacts → |
“Overland Contracting Inc,(OCI) is a Black & Veatch Company (BV) that provides construction services in the open/merit shop arena.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Thomas & Huttonthomasandhutton.com HQ: Savannah, GA, United StatesReported employees: 501-1,000 | Savannah, GA, United States | 501-1,000 | Exact match | 535 contacts → |
“Our story began in 1946 with the collaboration of former US Army Corps of Engineers Officers, Hue Thomas and Joe Hutton, in their start-up engineering firm in Savannah, GA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | RTM Engineering Consultantsrtmec.com HQ: Schaumburg, KY, United StatesReported employees: 201-500 | Schaumburg, KY, United States | 201-500 | Exact match | 522 contacts → |
“We are an engineering firm that goes beyond a typical consulting role.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Optimized Process Designs LLCopdepc.com HQ: Katy, TX, United StatesReported employees: 1,001-5,000 | Katy, TX, United States | 1,001-5,000 | Exact match | 462 contacts → |
“Established in 1980, Optimized Process Designs LLC (OPD) provides clients with detailed engineering packages in all disciplines, single-point procurement for all equipment and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Griffith Companygriffithcompany.net HQ: Brea, CA, United StatesReported employees: 501-1,000 | Brea, CA, United States | 501-1,000 | Exact match | 454 contacts → |
“As one of California’s earliest general contractors, Griffith Company is proud to have contributed our capabilities, resources and engineering expertise to help our region grow.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Cherry Hill, PA, United StatesReported employees: 501-1,000 | Cherry Hill, PA, United States | 501-1,000 | Exact match | 437 contacts → |
“Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | BOH Bros. Construction Co., LLCbohbros.com HQ: New Orleans, LA, United StatesReported employees: 501-1,000 | New Orleans, LA, United States | 501-1,000 | Exact match | 435 contacts → |
“Founded in 1909, Boh Bros.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | TRC Worldwide Engineering, INCtrcww.com HQ: Brentwood, FL, United StatesReported employees: 201-500 | Brentwood, FL, United States | 201-500 | Exact match | 336 contacts → |
“Founded in 1989, TRC Worldwide Engineering, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | C&i Engineeringcieng.com HQ: Louisville, TX, United StatesReported employees: 201-500 | Louisville, TX, United States | 201-500 | Exact match | 333 contacts → |
“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | GIS Engineering, LLCgisyeng.com HQ: Baton Rouge, LA, United StatesReported employees: 1,001-5,000 | Baton Rouge, LA, United States | 1,001-5,000 | Exact match | 331 contacts → |
“The GIS Industrial Engineering & Construction team offers clients a single point of contact to utilize our 19 strategically located facilities, employees, and 21 service lines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Kapur & Associateskapurinc.com HQ: Milwaukee, IL, United StatesReported employees: 201-500 | Milwaukee, IL, United States | 201-500 | Exact match | 328 contacts → |
“Mission: We listen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | M&j Engineeringmjengineers.com HQ: New Hyde Park, NY, United StatesReported employees: 201-500 | New Hyde Park, NY, United States | 201-500 | Exact match | 322 contacts → |
“M&J Engineering, D.P.C.(M&J) is a quality provider of multi-discipline consulting engineering services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | VAA LLCvaaeng.com HQ: Minneapolis, LA, United StatesReported employees: 201-500 | Minneapolis, LA, United States | 201-500 | Exact match | 284 contacts → |
“Engineered to crack the code of possibility.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | DDS Companiesddscompanies.com HQ: West Henrietta, NY, United StatesReported employees: 201-500 | West Henrietta, NY, United States | 201-500 | Exact match | 262 contacts → |
“Our companies unite the practical knowledge of construction with the resources of a full service civil engineering firm to offer a unique and valuable combination of services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Design Systems, INCds-mfgengineering.com HQ: Farmington Hills, MI, United StatesReported employees: 201-500 | Farmington Hills, MI, United States | 201-500 | Exact match | 258 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | HHI Corporationhhicorp.com HQ: Ogden, UT, United StatesReported employees: 51-200 | Ogden, UT, United States | 51-200 | Exact match | 228 contacts → |
“In 1971, physicist Don Hokanson traded his university career for a hammer and a dream.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Infrastructure Engineering INCinfrastructure-eng.com HQ: Chicago, IL, United StatesReported employees: 201-500 | Chicago, IL, United States | 201-500 | Exact match | 226 contacts → |
“Infrastructure Engineering Inc.(IEI) is a majority African American-owned, multi-disciplinary consulting firm with offices in eight states that delivers design engineering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Waldemar S. Nelson & Co., INCwsnelson.com HQ: New Orleans, TX, United StatesReported employees: 201-500 | New Orleans, TX, United States | 201-500 | Exact match | 220 contacts → |
“For over a half century our professional staff - in meeting technical, schedule, budget, and regulatory requirements - has successfully completed projects in the U.S.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Ross Groupwithrossgroup.com HQ: Tulsa, OK, United StatesReported employees: 51-200 | Tulsa, OK, United States | 51-200 | Exact match | 212 contacts → |
“In 1979, Jesse Ross founded J.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Andrews Cooperandrews-cooper.com HQ: Mcminnville, OR, United StatesReported employees: 51-200 | Mcminnville, OR, United States | 51-200 | Exact match | 209 contacts → |
“Partner with AC to Supercharge Your Technology Development Andrews Cooper is an engineering services firm in the Pacific Northwest specializing in highly complex technology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Loring Consulting Engineers, INCloringengineers.com HQ: New York, NC, United StatesReported employees: 201-500 | New York, NC, United States | 201-500 | Exact match | 204 contacts → |
“Since it's founding in 1956, Loring Consulting Engineers, Inc.(Loring), a full-service consulting engineering firm with offices in Washington-DC, Gaithersburg-MD, Durham-NC, New…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Contract engineering firms: dataset insights
November 6, 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
1,833 records in the displayed employee bands.
4 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 1,837 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: November 6, 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 ↗
Contract engineering firms by metro
Questions about this company list
What does Exact match mean for contract engineering firms?
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 contract engineering firms did RevenueBase find based in the United States?
The saved snapshot records 1,837 matching company records, 37,803 tracked contacts and 16,986 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: November 6, 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
Contract engineering firms by geography
- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States
- Contract engineering firms based in Australia
- Contract engineering firms based in Austria
- Contract engineering firms based in Belgium
- Contract engineering firms based in Brazil
- Contract engineering firms based in Canada
- Contract engineering firms based in Chile
Cite this list
RevenueBase Data Team. Top 25 contract engineering firms based in the United States. Snapshot: November 6, 2026. https://revenuebase.ai/companies/contract-engineering-firms/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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- Contract engineering firms based in Sao Paulo, Brazil
- Contract engineering firms based in Cairo, Egypt
- Contract engineering firms based in Riyadh, Saudi Arabia
- Contract engineering firms based in Dubai, United Arab Emirates
- Contract engineering firms based in Houston, United States
- Contract engineering firms based in New York, United States