Company lists · Data refreshed November 2026

Top 25 Qa testing staffing companies based in the United States

RevenueBase identified 5,244 company matches for qa testing staffing companies associated with the United States as of November 2026 and tracks 119,417 professional contacts across them, including 17,690 with verified work emails. New York is the largest hub.

This list covers company matches for qa testing 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 November 5, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built
5,244Companies
119,417Contacts tracked
17,690Verified emails
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The 25 largest qa testing staffing companies based in the United States

Ranked by team size
Top 25 of 5,244 company matches for qa testing staffing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, CA, United StatesHQ recorded Nov 5, 20261,001-5,0002,031 contacts →

Exact match

“Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Finance & Accounting, Non-Clinical Healthcare, Information…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchKearney, KS, United StatesHQ recorded Nov 5, 2026n/a1,852 contacts →

Exact match

“When staffing is inconsistent across locations, the cost goes far beyond an open shift.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchFresno, NV, United StatesHQ recorded Nov 5, 2026501-1,0001,819 contacts →

Exact match

“We make it all about you.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchMayfield Heights, OH, United StatesHQ recorded Nov 5, 2026501-1,0001,723 contacts →

Exact match

“Companies need talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchAlpharetta, GA, United StatesHQ recorded Nov 5, 2026501-1,0001,370 contacts →

Exact match

“ASK Consulting is an award-winning technology and professional services recruiting firm servicing Fortune 500 organizations nationally.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchGreenville, United StatesHQ recorded Nov 5, 2026201-5001,274 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 · Nov 5, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 5, 20261,001-5,0001,157 contacts →

Exact match

“ECLARO is an award-winning Talent Solutions firm headquartered in New York City and operating in the U.S, Canada, Ireland and the Philippines.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBrookfield, WI, United StatesHQ recorded Nov 5, 2026201-5001,116 contacts →

Exact match

“Founded in 1985, QPS Employment Group has grown from a two-person operation to one of the nation's leading staffing and recruiting firms, with more than 300 internal employees…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLewisville, TX, United StatesHQ recorded Nov 5, 2026n/a988 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchAtlanta, TN, United StatesHQ recorded Nov 5, 20261,001-5,000985 contacts →

Exact match

“RemX is the professional staffing division of EmployBridge, a $3 billion staffing organization with more than 600 offices in the U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchPleasanton, CA, United StatesHQ recorded Nov 5, 20261,001-5,000885 contacts →

Exact match

“QASource is a leading provider of outsourced software quality engineering services, offering scalable and customizable QA solutions to clients worldwide.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026n/a848 contacts →

Exact match

“Primary Services provides job opportunities for Accounting/Financial, Information Technology, HR, Recruiting, Marketing, Procurement, Call Center and Administrative professionals.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 2026n/a845 contacts →

Exact match

“Eastridge Workforce Solutions is a trusted staffing partner helping businesses build stronger, more productive teams across industrial and professional sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchEdison, NC, United StatesHQ recorded Nov 5, 2026501-1,000818 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchKalamazoo, MI, United StatesHQ recorded Nov 5, 20261,001-5,000713 contacts →

Exact match

“Trillium Staffing Solutions is an employment service specializing in staffing, training, testing, on-site services, human resources and safety consulting.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchOrange, CA, United StatesHQ recorded Nov 5, 20265,001-10,000666 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 · Nov 5, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026501-1,000644 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchGolden Valley, MN, United StatesHQ recorded Nov 5, 2026n/a622 contacts →

Exact match

“Information Technology takes talented people.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchFrisco, TX, United StatesHQ recorded Nov 5, 20261,001-5,000614 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026501-1,000603 contacts →

Exact match

“ObjectWin Technology is a minority business enterprise providing staffing services to Global enterprises and Fortune companies across US and India.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchAtlanta, TX, United StatesHQ recorded Nov 5, 2026n/a601 contacts →

Exact match

“Prestige Staffing is an award-winning, nationally recognized leader in professional staff augmentation serving local IT, Healthcare, and Accounting & Finance clients as well as…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Nov 5, 20261,001-5,000601 contacts →

Exact match

“LINK Staffing has been placing competent, dependable talent with Texas employers since 1980.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchNew York, NY, United StatesHQ recorded Nov 5, 2026201-500592 contacts →

Exact match

“Consultadd is a leading IT staffing and workforce solutions partner, helping U.S.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchSouthlake, TX, United StatesHQ recorded Nov 5, 20261,001-5,000587 contacts →

Exact match

“Since 1991, we’ve helped organizations make strategic hiring decisions that improve outcomes including reducing hiring risk, avoiding costly skills gaps and building strong teams.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSouthfield, MI, United StatesHQ recorded Nov 5, 20261,001-5,000519 contacts →

Exact match

“Trusted for Talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 5,244 qa testing staffing companies based in the United States

See the full list, filter by size, metro and specialty, and access 17,690 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Qa testing staffing companies based in the United States at a glance

As of Nov 5, 2026
14.8%Verified-email coverage
22.8Average contacts per company
11-50Median size (employees)
3.9%Largest-city concentration · New York
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
2,006
11-50
1,786
51-200
1,010
201-500
277
501-1,000
84
1,001-5,000
58
5,001-10,000
8
10001+
8

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 5,244 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 “qa testing 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 17,690 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 5, 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.

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 “qa testing staffing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many qa testing staffing companies are there based in the United States?

RevenueBase identified 5,244 company matches for qa testing staffing companies 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?

Addison Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most qa testing staffing companies?

New York leads with 204 company records, followed by Houston (156) and Dallas (126).

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 17,690 professional contacts with verified work emails tracked across these 5,244 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 5, 2026.

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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.