Company lists · Data refreshed September 2026
Top 25 IT staff augmentation companies based in the United States
RevenueBase identified 4,914 IT staff augmentation companies headquartered in the United States as of September 2026 and tracks 129,139 professional contacts across them, including 19,223 with verified work emails. New York is the largest hub.
This list covers IT staff augmentation companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 IT staff augmentation companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 6,147 contacts → | ||||
Indirect evidence “Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 4,263 contacts → | ||||
Indirect evidence “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 3,674 contacts → | ||||
Partial evidence “Artech is the largest Women-Owned IT Staffing Firm in the U.S, with 34+ years of experience powering workforce transformation for Fortune 500 companies and public-sector…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 1,599 contacts → | ||||
Indirect evidence “Companies need talent.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 1,431 contacts → | ||||
Indirect evidence “We are a Full Service Solutions Company specializing in placements of professionals in Information Technology, Finance/Accounting, Energy (front, mid and back office)…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 1,150 contacts → | ||||
Partial evidence “Motion Recruitment, a Kelly® Company, delivers IT Talent Solutions for Contract, Direct Hire, Managed Solutions and Statement of Work to all of North America from our 21 delivery…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 901 contacts → | ||||
Indirect evidence “RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 783 contacts → | ||||
Indirect evidence “We’re stronger together.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 766 contacts → | ||||
Indirect evidence “Primary Services provides job opportunities for Accounting/Financial, Information Technology, HR, Recruiting, Marketing, Procurement, Call Center and Administrative professionals.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 762 contacts → | ||||
Indirect evidence “Integrated Resources Inc.(IRI) is a professional staffing firm specializing in contract, consulting & full time positions in the area of Information Technology, Life Science and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 757 contacts → | ||||
Indirect evidence “Johnson Service Group, Inc.(JSG) is a leader in the staffing and consulting services industry, with 40 years of experience investing in people and companies.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 731 contacts → | ||||
Indirect evidence “Genesis10 connects companies and professionals through every stage of the hiring journey.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 714 contacts → | ||||
Partial evidence “PRIMUS provides expertise as a full service IT provider.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 711 contacts → | ||||
Indirect evidence “VARITE has a definite spirit.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 694 contacts → | ||||
Indirect evidence “View our jobs at Submit resumes to: askus@envision.com.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 685 contacts → | ||||
Partial evidence “Consultadd is a leading IT staffing and workforce solutions partner, helping U.S.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 676 contacts → | ||||
Partial evidence “Headquartered in the United States, Tenpath Solutions is a multinational leader in outsourced IT Professional Services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 650 contacts → | ||||
Strong evidence “TekisHub is Staff Augmentation, Software Development, and Recruitment Process Outsourcing Company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 636 contacts → | ||||
Indirect evidence “With singular global reach and agility, Acro Service Corporation offers you a unique integrated approach to staffing and consulting solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 614 contacts → | ||||
Partial evidence “Mitchell Martin Inc.(MMI) is one of the largest employee-owned staffing firms in the U.S, specializing in IT, healthcare, healthcare IT, accounting and finance, and professional…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 591 contacts → | ||||
Partial evidence “CodeForce 360 is a growing IT staffing company which thrives on a seasoned team of IT experts, a palpable international presence, and the ability to leverage the best of…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 585 contacts → | ||||
Partial evidence “TEK Inspirations LLC is a Texas based IT Staffing and consulting company that focuses on highly qualitative, timely delivered and cost-effective offshore software development and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 580 contacts → | ||||
Indirect evidence “ObjectWin Technology is a minority business enterprise providing staffing services to Global enterprises and Fortune companies across US and India.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 579 contacts → | ||||
Indirect evidence “LINK Staffing has been placing competent, dependable talent with Texas employers since 1980.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 578 contacts → | ||||
Indirect evidence “Information Technology takes talented people.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: IT staff augmentation companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names IT staff augmentation companies.
- Partial evidence
- Its own public description names part of IT staff augmentation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT staff augmentation companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 4,914 IT staff augmentation companies based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 19,223 reachable decision-makers.
Free signup · no credit card
IT staff augmentation companies based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,914 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among IT staff augmentation companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “IT staff augmentation companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names IT staff augmentation companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among IT staff augmentation companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 19,223 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
IT staff augmentation companies by metro
- IT staff augmentation companies in New York161
- IT staff augmentation companies in Houston138
- IT staff augmentation companies in Dallas119
- IT staff augmentation companies in Atlanta94
- IT staff augmentation companies in Austin94
- IT staff augmentation companies in Chicago87
- IT staff augmentation companies in Sheridan80
- IT staff augmentation companies in Wilmington66
- IT staff augmentation companies in Irving65
- IT staff augmentation companies in Charlotte49
- IT staff augmentation companies in Plano49
- IT staff augmentation companies in Phoenix46
- IT staff augmentation companies in San Francisco45
- IT staff augmentation companies in Los Angeles44
- IT staff augmentation companies in Frisco43
- IT staff augmentation companies in Boston42
- IT staff augmentation companies in Tampa41
- IT staff augmentation companies in Denver39
- IT staff augmentation companies in Alpharetta38
- IT staff augmentation companies in Dover38
- IT staff augmentation companies in Edison35
- IT staff augmentation companies in Fremont33
- IT staff augmentation companies in Miami33
- IT staff augmentation companies in San Diego33
- IT staff augmentation companies in Orlando31
- IT staff augmentation companies in San Jose28
- IT staff augmentation companies in Irvine25
- IT staff augmentation companies in Washington25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names IT staff augmentation companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many IT staff augmentation companies are there based in the United States?
RevenueBase identified 4,914 IT staff augmentation companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Kforce INC, headquartered in Tampa, tops this list with the largest team on record.
Which city has the most IT staff augmentation companies?
New York leads with 161 headquartered companies, followed by Houston (138) and Dallas (119).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 19,223 verified decision-maker contacts tracked across these 4,914 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 4,914 IT staff augmentation companies based in the United States. Start with a free account, no credit card.
Download this list →Related lists
IT staff augmentation companies by geography
- IT staff augmentation companies based in Calgary, Canada
- IT staff augmentation companies based in Mississauga, Canada
- IT staff augmentation companies based in Montreal, Canada
- IT staff augmentation companies based in Toronto, Canada
- IT staff augmentation companies based in Ahmedabad, India
- IT staff augmentation companies based in Bangalore, India
- IT staff augmentation companies based in Bengaluru, India
- IT staff augmentation companies based in Hyderabad, India
- IT staff augmentation companies based in Mumbai, India
- IT staff augmentation companies based in Noida, India
- IT staff augmentation companies based in Pune, India
- IT staff augmentation companies based in Alpharetta, 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 Smart Search, 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
- IT staff augmentation companies based in Calgary, Canada
- IT staff augmentation companies based in Mississauga, Canada
- IT staff augmentation companies based in Montreal, Canada
- IT staff augmentation companies based in Toronto, Canada
- IT staff augmentation companies based in Ahmedabad, India
- IT staff augmentation companies based in Bangalore, India