Company lists · Data refreshed September 2026
Top 25 Retrofit engineering staffing companies based in the United States
RevenueBase identified 1,838 company matches for retrofit engineering staffing companies associated with the United States as of September 2026 and tracks 55,155 professional contacts across them, including 11,514 with verified work emails. Houston is the largest hub.
This list covers company matches for retrofit engineering staffing companies 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 engineering staffing companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,999 contacts → | ||||
Exact match “Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 2,128 contacts → | ||||
Exact match “We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 1,666 contacts → | ||||
Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 1,480 contacts → | ||||
Exact match “At Brooksource, relationships are at the center of everything we do.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 1,427 contacts → | ||||
Exact match “BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 1,234 contacts → | ||||
Exact match “Let us make construction staffing work for you.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 1,230 contacts → | ||||
Exact match “Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 1,187 contacts → | ||||
Exact match “TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 732 contacts → | ||||
Exact match “Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 711 contacts → | ||||
Exact match “VARITE has a definite spirit.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 624 contacts → | ||||
Exact match “Automation Personnel Services was founded in Birmingham, AL almost 30 years ago and has expanded coast to coast with 40 Branch offices in eleven states.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 618 contacts → | ||||
Exact match “HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 584 contacts → | ||||
Exact match “A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 541 contacts → | ||||
Exact match “A premier provider of staffing solutions, Tech USA is in the top 1% of the Recruiting Industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 526 contacts → | ||||
Exact match “EASi is now Actalent.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 494 contacts → | ||||
Exact match “Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 488 contacts → | ||||
Exact match “LAUNCH Technical Workforce Solutions partners with aviation, transportation, and industrial organizations to solve complex workforce challenges.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 481 contacts → | ||||
Exact match “Delivering Contingent Staffing, Specialized Consulting, and Managed Project Services (MSP, FSP, FSO) for Engineering, IT, and Lifescience enterprises.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 468 contacts → | ||||
Exact match “For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 452 contacts → | ||||
Exact match “HardHat Workforce Solutions provides construction staffing solutions with a clear focus on meeting real project needs.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 447 contacts → | ||||
Exact match “Trusted for Talent.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 410 contacts → | ||||
Exact match “CCS Construction Staffing specializes in skilled construction recruiting and staffing throughout the U.S.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 402 contacts → | ||||
Exact match “Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 357 contacts → | ||||
Exact match “RHM Staffing Solutions is an award-winning staffing firm connecting top talent with employers through contract, contract-to-hire, and direct hire roles.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 322 contacts → | ||||
Exact match “Triple Crown delivers engineering, verification and design services that move the world forward, one precisely managed and expertly executed project at a time.” 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 engineering staffing companies”. 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 1,838 retrofit engineering staffing companies based in the United States
See the full list, filter by size, metro and specialty, and access 11,514 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Retrofit engineering staffing companies 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 1,838 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 engineering staffing companies” 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 11,514 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 engineering staffing companies by metro
- Retrofit engineering staffing companies in Houston71
- Retrofit engineering staffing companies in New York41
- Retrofit engineering staffing companies in Austin31
- Retrofit engineering staffing companies in Denver29
- Retrofit engineering staffing companies in Dallas27
- Retrofit engineering staffing companies in San Francisco26
- Retrofit engineering staffing companies in Atlanta25
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 engineering staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit engineering staffing companies are there based in the United States?
RevenueBase identified 1,838 company matches for retrofit engineering staffing companies 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?
Tradesmen International tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most retrofit engineering staffing companies?
Houston leads with 71 company records, followed by New York (41) and Austin (31).
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 11,514 professional contacts with verified work emails tracked across these 1,838 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 1,838 retrofit engineering staffing companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Retrofit engineering staffing companies by geography
- Retrofit engineering staffing companies based in Sydney, Australia
- Retrofit engineering staffing companies based in Sao Paulo, Brazil
- Retrofit engineering staffing companies based in Toronto, Canada
- Retrofit engineering staffing companies based in Paris, France
- Retrofit engineering staffing companies based in Rotterdam, Netherlands
- Retrofit engineering staffing companies based in London, United Kingdom
- Retrofit engineering staffing companies based in Manchester, United Kingdom
- Retrofit engineering staffing companies based in Atlanta, United States
- Retrofit engineering staffing companies based in Austin, United States
- Retrofit engineering staffing companies based in Dallas, United States
- Retrofit engineering staffing companies based in Denver, United States
- Retrofit engineering staffing companies based in Houston, United States
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
- Retrofit engineering staffing companies based in Sydney, Australia
- Retrofit engineering staffing companies based in Sao Paulo, Brazil
- Retrofit engineering staffing companies based in Toronto, Canada
- Retrofit engineering staffing companies based in Paris, France
- Retrofit engineering staffing companies based in Rotterdam, Netherlands
- Retrofit engineering staffing companies based in London, United Kingdom
Company intelligence · public preview
Top 25 retrofit engineering staffing companies 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 1,838 matching company records for retrofit engineering staffing companies based in the United States, with 55,155 tracked contacts and 11,514 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 engineering staffing companies 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 |  Tradesmen Internationaltradesmeninternational.comHQ: Macedonia, OH, United StatesReported employees: 10001+ | Macedonia, OH, United States | 10001+ | Exact match | 4,999 contacts → |
“Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Airswiftairswift.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 2,128 contacts → |
“We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Bowman Consultingbowman.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,666 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Brooksourcebrooksource.comHQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 1,480 contacts → |
“At Brooksource, relationships are at the center of everything we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BHI Energybhienergy.comHQ: Weymouth, MA, United StatesReported employees: 5,001-10,000 | Weymouth, MA, United States | 5,001-10,000 | Exact match | 1,427 contacts → |
“BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Construction Labor Contractorspowerlaborusa.comHQ: Round Rock, TX, United StatesReported employees: 501-1,000 | Round Rock, TX, United States | 501-1,000 | Exact match | 1,234 contacts → |
“Let us make construction staffing work for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Outsourceoutsource.netHQ: El Segundo, CA, United StatesReported employees: Not recorded | El Segundo, CA, United States | Not recorded | Exact match | 1,230 contacts → |
“Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  TRS Staffing Solutionstrsstaffing.comHQ: Greenville, United StatesReported employees: 201-500 | Greenville, United States | 201-500 | Exact match | 1,187 contacts → |
“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cynet Systemscynetsystems.comHQ: Sterling, VA, United StatesReported employees: 1,001-5,000 | Sterling, VA, United States | 1,001-5,000 | Exact match | 732 contacts → |
“Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Varite INCvarite.comHQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 711 contacts → |
“VARITE has a definite spirit.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Automation Personnel Services, INCapstemps.comHQ: Birmingham, AL, United StatesReported employees: 10001+ | Birmingham, AL, United States | 10001+ | Exact match | 624 contacts → |
“Automation Personnel Services was founded in Birmingham, AL almost 30 years ago and has expanded coast to coast with 40 Branch offices in eleven states.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hirequest Directhqdirect.comHQ: Nashville, TN, United StatesReported employees: Not recorded | Nashville, TN, United States | Not recorded | Exact match | 618 contacts → |
“HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Volt Technical Resourcesvolt.comHQ: Orange, CA, United StatesReported employees: 5,001-10,000 | Orange, CA, United States | 5,001-10,000 | Exact match | 584 contacts → |
“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Tech USAtechusa.netHQ: Millersville, MD, United StatesReported employees: 501-1,000 | Millersville, MD, United States | 501-1,000 | Exact match | 541 contacts → |
“A premier provider of staffing solutions, Tech USA is in the top 1% of the Recruiting Industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  EASIactalentservices.comHQ: Hanover, MD, United StatesReported employees: 1,001-5,000 | Hanover, MD, United States | 1,001-5,000 | Exact match | 526 contacts → |
“EASi is now Actalent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Trillium Construction Servicestrilliumconstruction.netHQ: Kalamazoo, MI, United StatesReported employees: 201-500 | Kalamazoo, MI, United States | 201-500 | Exact match | 494 contacts → |
“Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Launch Technical Workforce Solutionslaunchtws.comHQ: Oak Brook, IL, United StatesReported employees: 1,001-5,000 | Oak Brook, IL, United States | 1,001-5,000 | Exact match | 488 contacts → |
“LAUNCH Technical Workforce Solutions partners with aviation, transportation, and industrial organizations to solve complex workforce challenges.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Black Diamond Networksblackdiamondnet.comHQ: Andover, MA, United StatesReported employees: 51-200 | Andover, MA, United States | 51-200 | Exact match | 481 contacts → |
“Delivering Contingent Staffing, Specialized Consulting, and Managed Project Services (MSP, FSP, FSO) for Engineering, IT, and Lifescience enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Entegeeentegee.comHQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 468 contacts → |
“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Hardhat Workforce Solutionscallhardhat.comHQ: Greensboro, NC, United StatesReported employees: 1,001-5,000 | Greensboro, NC, United States | 1,001-5,000 | Exact match | 452 contacts → |
“HardHat Workforce Solutions provides construction staffing solutions with a clear focus on meeting real project needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Bartech Staffingbartechstaffing.comHQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 447 contacts → |
“Trusted for Talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  CCS Construction Staffingstaffccs.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 410 contacts → |
“CCS Construction Staffing specializes in skilled construction recruiting and staffing throughout the U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sterling Engineeringsterling-engineering.comHQ: Westchester, IL, United StatesReported employees: 501-1,000 | Westchester, IL, United States | 501-1,000 | Exact match | 402 contacts → |
“Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  RHM Staffing Solutionsrhmstaffing.netHQ: Oak Brook, IL, United StatesReported employees: 51-200 | Oak Brook, IL, United States | 51-200 | Exact match | 357 contacts → |
“RHM Staffing Solutions is an award-winning staffing firm connecting top talent with employers through contract, contract-to-hire, and direct hire roles.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Triple Crowntripleco.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 322 contacts → |
“Triple Crown delivers engineering, verification and design services that move the world forward, one precisely managed and expertly executed project at a time.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,838 company matches
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Retrofit engineering staffing companies: 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
1,837 records in the displayed employee bands.
1 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 1,838 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 engineering staffing companies by metro
- Retrofit engineering staffing companies in Houston71
- Retrofit engineering staffing companies in New York41
- Retrofit engineering staffing companies in Austin31
- Retrofit engineering staffing companies in Denver29
- Retrofit engineering staffing companies in Dallas27
- Retrofit engineering staffing companies in San Francisco26
- Retrofit engineering staffing companies in Atlanta25
Questions about this company list
What does Exact match mean for retrofit engineering staffing companies?
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 engineering staffing companies did RevenueBase find based in the United States?
The saved snapshot records 1,838 matching company records, 55,155 tracked contacts and 11,514 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 engineering staffing companies by geography
- Retrofit engineering staffing companies based in Sydney, Australia
- Retrofit engineering staffing companies based in Sao Paulo, Brazil
- Retrofit engineering staffing companies based in Toronto, Canada
- Retrofit engineering staffing companies based in Paris, France
- Retrofit engineering staffing companies based in Rotterdam, Netherlands
- Retrofit engineering staffing companies based in London, United Kingdom
- Retrofit engineering staffing companies based in Manchester, United Kingdom
- Retrofit engineering staffing companies based in Atlanta, United States
- Retrofit engineering staffing companies based in Austin, United States
- Retrofit engineering staffing companies based in Dallas, United States
- Retrofit engineering staffing companies based in Denver, United States
- Retrofit engineering staffing companies based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 retrofit engineering staffing companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-engineering-staffing-companies/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 engineering staffing companies based in Sydney, Australia
- Retrofit engineering staffing companies based in Sao Paulo, Brazil
- Retrofit engineering staffing companies based in Toronto, Canada
- Retrofit engineering staffing companies based in Paris, France
- Retrofit engineering staffing companies based in Rotterdam, Netherlands
- Retrofit engineering staffing companies based in London, United Kingdom
Company intelligence · public preview
Top 25 retrofit engineering staffing companies based in the United States
RevenueBase records 1,838 matching company records for retrofit engineering staffing companies based in the United States, with 55,155 tracked contacts and 11,514 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 engineering staffing companies 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 | Tradesmen Internationaltradesmeninternational.com HQ: Macedonia, OH, United StatesReported employees: 10001+ | Macedonia, OH, United States | 10001+ | Exact match | 4,999 contacts → |
“Founded in 1992, Tradesmen International is North America’s premier resource for proven skilled craftsmen and labor consulting services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Airswiftairswift.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 2,128 contacts → |
“We support STEM professionals looking for jobs with exceptional firms in the technology and engineering sectors.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Bowman Consultingbowman.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,666 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Brooksourcebrooksource.com HQ: Indianapolis, IN, United StatesReported employees: 1,001-5,000 | Indianapolis, IN, United States | 1,001-5,000 | Exact match | 1,480 contacts → |
“At Brooksource, relationships are at the center of everything we do.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BHI Energybhienergy.com HQ: Weymouth, MA, United StatesReported employees: 5,001-10,000 | Weymouth, MA, United States | 5,001-10,000 | Exact match | 1,427 contacts → |
“BHI Energy is an industry-leading provider of specialty services and staffing solutions in support of the daily operations, routine maintenance and capital investment requirements…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Construction Labor Contractorspowerlaborusa.com HQ: Round Rock, TX, United StatesReported employees: 501-1,000 | Round Rock, TX, United States | 501-1,000 | Exact match | 1,234 contacts → |
“Let us make construction staffing work for you.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Outsourceoutsource.net HQ: El Segundo, CA, United StatesReported employees: Not recorded | El Segundo, CA, United States | Not recorded | Exact match | 1,230 contacts → |
“Outsource is the largest staffing firm in the nation specializing in the placement of low voltage and electrical talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | TRS Staffing Solutionstrsstaffing.com HQ: Greenville, United StatesReported employees: 201-500 | Greenville, United States | 201-500 | Exact match | 1,187 contacts → |
“TRS Staffing Solutions is a world leading engineering recruitment agency specialising in the recruitment and supply of professional, engineering, technical and field talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cynet Systemscynetsystems.com HQ: Sterling, VA, United StatesReported employees: 1,001-5,000 | Sterling, VA, United States | 1,001-5,000 | Exact match | 732 contacts → |
“Headquartered in Washington DC Metro Area, Cynet Systems is a top talent supplier for companies across North America.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Varite INCvarite.com HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 711 contacts → |
“VARITE has a definite spirit.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Automation Personnel Services, INCapstemps.com HQ: Birmingham, AL, United StatesReported employees: 10001+ | Birmingham, AL, United States | 10001+ | Exact match | 624 contacts → |
“Automation Personnel Services was founded in Birmingham, AL almost 30 years ago and has expanded coast to coast with 40 Branch offices in eleven states.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hirequest Directhqdirect.com HQ: Nashville, TN, United StatesReported employees: Not recorded | Nashville, TN, United States | Not recorded | Exact match | 618 contacts → |
“HireQuest Direct specializes in day labor, general labor, disaster recovery, skilled labor, janitorial, site clean-up, composite crew, demolition, administrative, hospitality…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Volt Technical Resourcesvolt.com HQ: Orange, CA, United StatesReported employees: 5,001-10,000 | Orange, CA, United States | 5,001-10,000 | Exact match | 584 contacts → |
“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Tech USAtechusa.net HQ: Millersville, MD, United StatesReported employees: 501-1,000 | Millersville, MD, United States | 501-1,000 | Exact match | 541 contacts → |
“A premier provider of staffing solutions, Tech USA is in the top 1% of the Recruiting Industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | EASIactalentservices.com HQ: Hanover, MD, United StatesReported employees: 1,001-5,000 | Hanover, MD, United States | 1,001-5,000 | Exact match | 526 contacts → |
“EASi is now Actalent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Trillium Construction Servicestrilliumconstruction.net HQ: Kalamazoo, MI, United StatesReported employees: 201-500 | Kalamazoo, MI, United States | 201-500 | Exact match | 494 contacts → |
“Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Launch Technical Workforce Solutionslaunchtws.com HQ: Oak Brook, IL, United StatesReported employees: 1,001-5,000 | Oak Brook, IL, United States | 1,001-5,000 | Exact match | 488 contacts → |
“LAUNCH Technical Workforce Solutions partners with aviation, transportation, and industrial organizations to solve complex workforce challenges.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Black Diamond Networksblackdiamondnet.com HQ: Andover, MA, United StatesReported employees: 51-200 | Andover, MA, United States | 51-200 | Exact match | 481 contacts → |
“Delivering Contingent Staffing, Specialized Consulting, and Managed Project Services (MSP, FSP, FSO) for Engineering, IT, and Lifescience enterprises.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Entegeeentegee.com HQ: Burlington, MA, United StatesReported employees: 201-500 | Burlington, MA, United States | 201-500 | Exact match | 468 contacts → |
“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Hardhat Workforce Solutionscallhardhat.com HQ: Greensboro, NC, United StatesReported employees: 1,001-5,000 | Greensboro, NC, United States | 1,001-5,000 | Exact match | 452 contacts → |
“HardHat Workforce Solutions provides construction staffing solutions with a clear focus on meeting real project needs.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Bartech Staffingbartechstaffing.com HQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 447 contacts → |
“Trusted for Talent.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | CCS Construction Staffingstaffccs.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 410 contacts → |
“CCS Construction Staffing specializes in skilled construction recruiting and staffing throughout the U.S.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sterling Engineeringsterling-engineering.com HQ: Westchester, IL, United StatesReported employees: 501-1,000 | Westchester, IL, United States | 501-1,000 | Exact match | 402 contacts → |
“Sterling is an award-winning professional engineering consulting and technical staffing company.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | RHM Staffing Solutionsrhmstaffing.net HQ: Oak Brook, IL, United StatesReported employees: 51-200 | Oak Brook, IL, United States | 51-200 | Exact match | 357 contacts → |
“RHM Staffing Solutions is an award-winning staffing firm connecting top talent with employers through contract, contract-to-hire, and direct hire roles.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Triple Crowntripleco.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 322 contacts → |
“Triple Crown delivers engineering, verification and design services that move the world forward, one precisely managed and expertly executed project at a time.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,838 company matches
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Retrofit engineering staffing companies: 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
1,837 records in the displayed employee bands.
1 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 1,838 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 engineering staffing companies by metro
- Retrofit engineering staffing companies in Houston71
- Retrofit engineering staffing companies in New York41
- Retrofit engineering staffing companies in Austin31
- Retrofit engineering staffing companies in Denver29
- Retrofit engineering staffing companies in Dallas27
- Retrofit engineering staffing companies in San Francisco26
- Retrofit engineering staffing companies in Atlanta25
Questions about this company list
What does Exact match mean for retrofit engineering staffing companies?
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 engineering staffing companies did RevenueBase find based in the United States?
The saved snapshot records 1,838 matching company records, 55,155 tracked contacts and 11,514 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 engineering staffing companies by geography
- Retrofit engineering staffing companies based in Sydney, Australia
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- Retrofit engineering staffing companies based in Toronto, Canada
- Retrofit engineering staffing companies based in Paris, France
- Retrofit engineering staffing companies based in Rotterdam, Netherlands
- Retrofit engineering staffing companies based in London, United Kingdom
- Retrofit engineering staffing companies based in Manchester, United Kingdom
- Retrofit engineering staffing companies based in Atlanta, United States
- Retrofit engineering staffing companies based in Austin, United States
- Retrofit engineering staffing companies based in Dallas, United States
- Retrofit engineering staffing companies based in Denver, United States
- Retrofit engineering staffing companies based in Houston, United States
Cite this list
RevenueBase Data Team. Top 25 retrofit engineering staffing companies based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-engineering-staffing-companies/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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