Company lists · Data refreshed September 2026

Top 25 Machine learning engineer staffing companies based in the United States

Name: Machine learning engineer staffing companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 2,338 companies tracked

RevenueBase identified 2,338 machine learning engineer staffing companies headquartered in the United States as of September 2026 and tracks 42,339 professional contacts across them, including 7,806 with verified work emails. New York is the largest hub.

This list covers machine learning engineer staffing 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 28, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

2,338Companies

42,339Contacts tracked

7,806Verified emails

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The 25 largest machine learning engineer staffing companies based in the United States

Ranked by team size

Top 25 of 2,338 machine learning engineer staffing companies based in the United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to machine learning engineer staffing companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	24 Seven Talent	Indirect evidence	NY, United StatesHQ checked Sep 28, 2026	n/a	2,554 contacts →
	Indirect evidence “24 Seven partners with companies to get marketing, creative, and digital work done by providing the right talent, innovation, and insights.” Source: RevenueBase Database · checked Sep 28, 2026
2	Spectraforce	Partial evidence	Raleigh, NC, United StatesHQ checked Sep 28, 2026	1,001-5,000	1,845 contacts →
	Partial evidence “Founded in 2004, SPECTRAFORCE® is a global staffing and workforce solutions company that helps organizations build high-performing teams across healthcare, technology, financial…” Source: RevenueBase Database · checked Sep 28, 2026
3	Nesco Resource	Indirect evidence	Mayfield Heights, OH, United StatesHQ checked Sep 28, 2026	501-1,000	1,599 contacts →
	Indirect evidence “Companies need talent.” Source: RevenueBase Database · checked Sep 28, 2026
4	QPS Employment Group	Partial evidence	Brookfield, WI, United StatesHQ checked Sep 28, 2026	201-500	1,019 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026
5	JOBOT	Indirect evidence	Newport Beach, CA, United StatesHQ checked Sep 28, 2026	501-1,000	1,005 contacts →
	Indirect evidence “Jobot connects good people with good jobs.” Source: RevenueBase Database · checked Sep 28, 2026
6	Mitchell Martin INC	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	501-1,000	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 28, 2026
7	Volt Technical Resources	Indirect evidence	Orange, CA, United StatesHQ checked Sep 28, 2026	5,001-10,000	584 contacts →
	Indirect evidence “A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…” Source: RevenueBase Database · checked Sep 28, 2026
8	Solvd, INC	Partial evidence	Walnut Creek, CA, United StatesHQ checked Sep 28, 2026	501-1,000	551 contacts →
	Partial evidence “Solvd is an AI engineering company with over a decade of experience implementing AI in corporations and products across technology, ecommerce, retail, fintech, hospitality, and…” Source: RevenueBase Database · checked Sep 28, 2026
9	Ceipal	Partial evidence	Rochester, NY, United StatesHQ checked Sep 28, 2026	201-500	533 contacts →
	Partial evidence “Ceipal provides AI-powered staffing software that helps staffing, recruiting, and talent professionals work more efficiently while keeping people at the center of their work.” Source: RevenueBase Database · checked Sep 28, 2026
10	Burnett Specialists Staffing Recruiting	Partial evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	51-200	454 contacts →
	Partial evidence “We are Texas’ largest employee-owned staffing & placement agency set apart by our award-winning and innovative services, outstanding staff tenure, multiple skill specializations…” Source: RevenueBase Database · checked Sep 28, 2026
11	Bartech Staffing	Indirect evidence	Southfield, MI, United StatesHQ checked Sep 28, 2026	1,001-5,000	447 contacts →
	Indirect evidence “Trusted for Talent.” Source: RevenueBase Database · checked Sep 28, 2026
12	Stevendouglas	Indirect evidence	Sunrise, FL, United StatesHQ checked Sep 28, 2026	201-500	372 contacts →
	Indirect evidence “Since 1983, StevenDouglas has established itself as a recognized leader in providing access to top talent, driven by highly tenured and experienced professionals committed to…” Source: RevenueBase Database · checked Sep 28, 2026
13	Factored	Strong evidence	Mountain View, CA, United StatesHQ checked Sep 28, 2026	201-500	370 contacts →
	Strong evidence “Factored (backed by Andrew Ng's AI Fund and deeplearning.ai) helps leading tech companies select, upskill, and build world-class data science, machine learning and AI engineering…” Source: RevenueBase Database · checked Sep 28, 2026
14	TBG The Bachrach Group	Partial evidence	New York, NY, United StatesHQ checked Sep 28, 2026	201-500	319 contacts →
	Partial evidence “For over 50 years, TBG has stood as a leader in the staffing and recruiting industry.” Source: RevenueBase Database · checked Sep 28, 2026
15	United Software Group INC	Indirect evidence	Dublin, OH, United StatesHQ checked Sep 28, 2026	1,001-5,000	318 contacts →
	Indirect evidence “Welcome to USG - Pioneering Global IT Solutions and Workforce Management Excellence Since our inception in 2002, USG has grown into a global powerhouse, distinguished for its…” Source: RevenueBase Database · checked Sep 28, 2026
16	Ktek Resourcing	Strong evidence	Houston, TX, United StatesHQ checked Sep 28, 2026	201-500	312 contacts →
	Strong evidence “Ktek Resourcing is a global staffing and recruitment firm specializing in IT, engineering, and professional services.” Source: RevenueBase Database · checked Sep 28, 2026
17	Vastek INC	Partial evidence	Chula Vista, CA, United StatesHQ checked Sep 28, 2026	1,001-5,000	276 contacts →
	Partial evidence “Vastek Group: Your Strategic Staffing & Professional Service Partner At Vastek Group, we pride ourselves on being more than just a staffing agency.” Source: RevenueBase Database · checked Sep 28, 2026
18	Crystal Equation Corporation	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	262 contacts →
	Indirect evidence “Crystal Equation (CE) is a certified Women-Owned Business that empowers people and advances technology initiatives by building trust.” Source: RevenueBase Database · checked Sep 28, 2026
19	The JOB Center Staffing	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 28, 2026	1,001-5,000	249 contacts →
	Partial evidence “The Job Center Staffing is more than a staffing provider!” Source: RevenueBase Database · checked Sep 28, 2026
20	Liberty Personnel Services, INC	Indirect evidence	West Conshohocken, PA, United StatesHQ checked Sep 28, 2026	51-200	249 contacts →
	Indirect evidence “Liberty Personnel is widely recognized as the finest direct placement and contract recruiting firm in the region.” Source: RevenueBase Database · checked Sep 28, 2026
21	Synectics INC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 28, 2026	201-500	248 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026
22	G2i INC	Partial evidence	Miami, FL, United StatesHQ checked Sep 28, 2026	201-500	246 contacts →
	Partial evidence “G2I is an AI engineering company that helps the world's leading frontier labs, enterprises, and high-growth startups hire, train, and ship AI systems.” Source: RevenueBase Database · checked Sep 28, 2026
23	Inceed	Indirect evidence	Tulsa, OK, United StatesHQ checked Sep 28, 2026	51-200	231 contacts →
	Indirect evidence “Get a peek at the real Inceed Hit the "What We Do" tab above.” Source: RevenueBase Database · checked Sep 28, 2026
24	Solutions Staffing	Partial evidence	Columbus, OH, United StatesHQ checked Sep 28, 2026	51-200	229 contacts →
	Partial evidence “Since 1980, SOLUTIONS Staffing has connected premier employers with top-tier talent.” Source: RevenueBase Database · checked Sep 28, 2026
25	Hidani Tech	Partial evidence	Lewes, DE, United StatesHQ checked Sep 28, 2026	201-500	209 contacts →
	Partial evidence “Hidani Tech is a dynamic recruitment and staffing firm focused on helping professionals achieve meaningful career growth.” Source: RevenueBase Database · checked Sep 28, 2026

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: machine learning engineer staffing 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 machine learning engineer staffing companies.
Partial evidence: Its own public description names part of machine learning engineer staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name machine learning engineer staffing 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 2,338 machine learning engineer staffing companies based in the United States

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Machine learning engineer staffing companies based in the United States at a glance

As of Sep 28, 2026

18.4%Verified-email coverage

18.1Average contacts per company

11-50Median size (employees)

5.3%Largest-city concentration · New York

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

1,137

11-50

720

51-200

334

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,338 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 machine learning engineer staffing 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 “machine learning engineer staffing 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 machine learning engineer staffing 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 machine learning engineer staffing 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, 7,806 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 28, 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.

Machine learning engineer staffing companies by metro

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 machine learning engineer staffing 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 machine learning engineer staffing companies are there based in the United States?

RevenueBase identified 2,338 machine learning engineer staffing 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?

24 Seven Talent, headquartered in United States, tops this list with the largest team on record.

Which city has the most machine learning engineer staffing companies?

New York leads with 123 headquartered companies, followed by San Francisco (74) and Houston (67).

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 7,806 verified decision-maker contacts tracked across these 2,338 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 28, 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 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.