Company lists · Data refreshed September 2026

Top 25 Software engineering staffing based in the United States

Name: Software engineering staffing based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 6, 2026 9,280 companies tracked

RevenueBase identified 9,280 company matches for software engineering staffing associated with the United States as of September 2026 and tracks 288,027 professional contacts across them, including 53,972 with verified work emails and 75,426 with mobile numbers. New York is the largest hub.

This list covers company matches for software engineering staffing 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 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 6, 2026 How this list was built

9,280Companies

288,027Contacts tracked

53,972Verified emails

75,426Mobile numbers

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The 25 largest software engineering staffing based in the United States

Ranked by team size

Top 25 of 9,280 company matches for software engineering staffing based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Robert Half	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 6, 2026	10001+	25,574 contacts →
	Exact match “At Robert Half, we prioritize your security-if you believe you've encountered a scam or fraudulent recruiter, please report it immediately to All Robert Half recruiters…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
2	Insight Global	Exact match	Atlanta, GA, United StatesHQ recorded Sep 6, 2026	n/a	15,553 contacts →
	Exact match “Insight Global is an international talent and consulting company that delivers business outcomes in an ever-changing world.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
3	Kforce INC	Exact match	Tampa, FL, United StatesHQ recorded Sep 6, 2026	1,001-5,000	6,147 contacts →
	Exact match “Kforce is a solutions firm specializing in technology, finance and accounting, and professional staffing services.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
4	Spherion	Exact match	Atlanta, GA, United StatesHQ recorded Sep 6, 2026	10001+	4,263 contacts →
	Exact match “We’re Spherion-a staffing and recruiting pioneer that’s been driving careers and helping businesses grow for over 75 years.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
5	Artech L.L.C	Exact match	Morristown, NJ, United StatesHQ recorded Sep 6, 2026	5,001-10,000	3,674 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
6	Beacon Hill	Exact match	Boston, MA, United StatesHQ recorded Sep 6, 2026	1,001-5,000	3,238 contacts →
	Exact match “Beacon Hill was founded to set a new standard in search, career placement and flexible staffing.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
7	24 Seven Talent	Exact match	NY, United StatesHQ recorded Sep 6, 2026	n/a	2,554 contacts →
	Exact match “24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
8	Airswift	Exact match	Houston, TX, United StatesHQ recorded Sep 6, 2026	501-1,000	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 6, 2026 · View company records in RevenueBase
9	NLB Services	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 6, 2026	5,001-10,000	1,958 contacts →
	Exact match “Founded in 2007, NLB Services is a global AI-led technology and business transformation organization that helps enterprises accelerate growth, enhance operational resilience, and…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
10	Exadel	Exact match	Walnut Creek, CA, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,874 contacts →
	Exact match “Exadel is a leading global software consulting and development company that looks beyond the code to maximize the technology-driven business impact our partners want to make.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
11	Spectraforce	Exact match	Raleigh, NC, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,845 contacts →
	Exact match “Founded in 2004, SPECTRAFORCE® is a global staffing and workforce solutions company that helps organizations build high-performing teams across healthcare, technology, financial…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
12	Addison Group	Exact match	Chicago, IL, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,840 contacts →
	Exact match “Addison Group provides comprehensive talent solutions and consulting services across diverse practice areas, including Non-Clinical Healthcare, Information Technology (IT), Human…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
13	MEDIX	Exact match	Chicago, IL, United StatesHQ recorded Sep 6, 2026	501-1,000	1,753 contacts →
	Exact match “Medix provides workforce solutions to clients and creates opportunity for talent in the Healthcare, Life Sciences, Engineering and Technology fields.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
14	Nesco Resource	Exact match	Mayfield Heights, OH, United StatesHQ recorded Sep 6, 2026	501-1,000	1,599 contacts →
	Exact match “Companies need talent.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
15	Infotree Global Solutions	Exact match	Plymouth, MI, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,545 contacts →
	Exact match “Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
16	Brooksource	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,480 contacts →
	Exact match “At Brooksource, relationships are at the center of everything we do.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
17	System ONE	Exact match	Pittsburgh, PA, United StatesHQ recorded Sep 6, 2026	5,001-10,000	1,386 contacts →
	Exact match “System One is a leading provider of specialized, highly technical outsourced services, workforce solutions, staffing, and recruiting to critical infrastructure, technology, life…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
18	ASK Consulting	Exact match	Alpharetta, GA, United StatesHQ recorded Sep 6, 2026	501-1,000	1,296 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 · Sep 6, 2026 · View company records in RevenueBase
19	TRS Staffing Solutions	Exact match	Greenville, United StatesHQ recorded Sep 6, 2026	201-500	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 6, 2026 · View company records in RevenueBase
20	Motion Recruitment	Exact match	Boston, MA, United StatesHQ recorded Sep 6, 2026	501-1,000	1,150 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
21	247hire	Exact match	Oak Brook, IL, United StatesHQ recorded Sep 6, 2026	201-500	1,059 contacts →
	Exact match “At 247Hire, our mission is simple: to empower yours.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
22	Eclaro	Exact match	New York, NY, United StatesHQ recorded Sep 6, 2026	1,001-5,000	1,024 contacts →
	Exact match “ECLARO is an award-winning Talent Solutions firm headquartered in New York City and operating in the U.S, Canada and the Philippines.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
23	QPS Employment Group	Exact match	Brookfield, WI, United StatesHQ recorded Sep 6, 2026	201-500	1,019 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 · Sep 6, 2026 · View company records in RevenueBase
24	dev.pro	Exact match	Charlotte, NC, United StatesHQ recorded Sep 6, 2026	501-1,000	997 contacts →
	Exact match “Dev.Pro helps innovative technology companies scale their business by leveraging our software engineering expertise to support them every step of the way.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase
25	Diverse Lynx	Exact match	Princeton, NJ, United StatesHQ recorded Sep 6, 2026	1,001-5,000	961 contacts →
	Exact match “Diverse Lynx is a WBENC- and NMSDC-certified partner, helping organizations turn diversity goals into measurable impact through staffing and contingent workforce solutions.” Recorded in the RevenueBase company graph · Sep 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 “software engineering staffing”. 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 9,280 software engineering staffing based in the United States

See the full list, filter by size, metro and specialty, and access 53,972 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software engineering staffing based in the United States at a glance

As of Sep 6, 2026

18.7%Verified-email coverage

26.2%Mobile-number coverage

31.0Average contacts per company

11-50Median size (employees)

4.2%Largest-city concentration · New York

Sep 6, 2026Page data refreshed

Companies by employee count

1-10

3,465

11-50

3,135

51-200

1,814

201-500

525

501-1,000

177

1,001-5,000

118

5,001-10,000

10001+

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

49,7580–30

3,67031–60

5561–90

2990–180

460180+

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 “software engineering staffing” 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 53,972 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 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.

Software engineering staffing 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 “software engineering staffing”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many software engineering staffing are there based in the United States?

RevenueBase identified 9,280 company matches for software engineering staffing 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?

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

Which city has the most software engineering staffing?

New York leads with 386 company records, followed by Houston (261) and Austin (211).

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 53,972 professional contacts with verified work emails tracked across these 9,280 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 6, 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.