Company lists · Data refreshed September 2026
Top 25 Contract staffing firms based in San Diego, United States
RevenueBase identified 69 contract staffing firms headquartered in San Diego, United States as of September 2026 and tracks 2,349 professional contacts across them, including 298 with verified work emails. New York is the largest hub.
This list covers contract staffing firms headquartered in San Diego, 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 14, 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 contract staffing firms based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 803 contacts → | ||||
Partial evidence “Eastridge Workforce Solutions is a trusted staffing partner helping businesses build stronger, more productive teams across industrial and professional sectors.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 364 contacts → | ||||
Partial evidence “As one of the nation's fastest growing staffing agencies, BaronHR servies individuals and businesses nationwide.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 182 contacts → | ||||
Partial evidence “Since 2001, Go-Staff has been a family-owned and operated, full-service staffing partner proudly serving Southern California and surrounding regions.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 142 contacts → | ||||
Strong evidence “Contractors & Builders is focused on developing comprehensive staffing solutions for the construction industry.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 95 contacts → | ||||
Partial evidence “TriStaff Group of Companies is a premier Full Service Staffing and Executive Search firm headquartered in San Diego, California.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 93 contacts → | ||||
Partial evidence “Suna Solutions was established in 2008 to provide human capital management services including temporary and contract placements, direct hire or permanent placement services as…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 60 contacts → | ||||
Partial evidence “OnPoint Healthcare Solutions was founded specifically to service the healthcare industry by providing temporary, permanent and project-related staffing support solutions in…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 50 contacts → | ||||
Partial evidence “Broekema Group, a subsidiary of On Call Staffing Solutions, Inc, is a privately held, woman-owned professional recruiting firm specializing in direct hire searches, predominantly…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 47 contacts → | ||||
Indirect evidence “Your resource for labor.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 38 contacts → | ||||
Partial evidence “The TalentZök family of companies, including Simply Biotech and Defense Search, are a premium specialized staffing group recognized by Inc.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Partial evidence “The Cydio Group, a 24 Seven Company, is a specialized IT staffing firm that provides innovative, first-hand knowledge of the information technology space.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 31 contacts → | ||||
Partial evidence “Where Quality and Staffing Meet Located in the heart of San Diego’s Life Sciences and Hi-Tech hub of Sorrento Valley, QualStaff Resources is an established professional recruiting…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 28 contacts → | ||||
Partial evidence “Tucker Parker Smith Group (TPS Group) is a professional recruiting and staffing firm connecting talented people with leading employers-from Fortune 500 companies to growing…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 18 contacts → | ||||
Partial evidence “A-Star Staffing has been in business since We are the warmer, friendlier alternative to the large national firms.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Partial evidence “SDI Staffing specializes in placing candidates in Direct Hire, Temp-to-Hire and Temporary positions within the Insurance Industry throughout California.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 14 contacts → | ||||
Partial evidence “Transition Staffing Group is an award-winning staffing agency providing Technology & Accounting/Finance staffing solutions on a Temporary, Temporary-to-Hire and Direct Hire basis.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Partial evidence “BusinesStaff is a leading staffing firm in Southern California and works on a National level.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Partial evidence “Express Employment Professionals of San Diego is dedicated to providing quality staffing services and human resource solutions to businesses and job seekers in the San Diego-Mira…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 6 contacts → | ||||
Partial evidence “Promax Personnel is a staffing agency dedicated to matching businesses with the most suitable talent.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “VIA Technical is now Eliassen Group.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “Staffr helps professionals in the Tech and Healthcare Industries find their next dream job.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Partial evidence “Talent Source is a Veteran-Owned staffing company based in San Diego, California, we connect people with businesses across all industries.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Strong evidence “Colorado Resource Solutions provides recruiting, temporary staffing, contract, contract-to-hire, or direct hire employees to commercial and governmental organizations.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “We are a company for hiring a broad spectrum of functions from administrative staff, marketing, production, developers, assistants etc.” Source: RevenueBase Database · checked Sep 14, 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: contract staffing firms. 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 contract staffing firms.
- Partial evidence
- Its own public description names part of contract staffing firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name contract staffing firms. 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 69 contract staffing firms based in San Diego, United States
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Contract staffing firms based in San Diego, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 69 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 contract staffing firms, 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 San Diego, United States whose own description of what they do matches “contract staffing firms”. 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 contract staffing firms), 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 contract staffing firms, and records with no verified work email. Companies headquartered outside San Diego 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, 298 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 14, 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.
Contract staffing firms by metro in the United States
- Contract staffing firms in New York317
- Contract staffing firms in Houston270
- Contract staffing firms in Dallas180
- Contract staffing firms in Atlanta179
- Contract staffing firms in Chicago142
- Contract staffing firms in Austin126
- Contract staffing firms in Los Angeles107
- Contract staffing firms in Charlotte93
- Contract staffing firms in Sheridan88
- Contract staffing firms in Miami85
- Contract staffing firms in Denver83
- Contract staffing firms in Boston81
- Contract staffing firms in Orlando76
- Contract staffing firms in Phoenix75
- Contract staffing firms in Tampa72
- Contract staffing firms in San Diego69
- Contract staffing firms in Wilmington61
- Contract staffing firms in San Antonio60
- Contract staffing firms in Columbus59
- Contract staffing firms in Irving59
- Contract staffing firms in San Francisco56
- Contract staffing firms in Philadelphia54
- Contract staffing firms in Indianapolis50
- Contract staffing firms in Plano49
- Contract staffing firms in Nashville48
- Contract staffing firms in Dover46
- Contract staffing firms in Las Vegas46
- Contract staffing firms in Cincinnati45
- Contract staffing firms in Irvine45
- Contract staffing firms in Jacksonville45
- Contract staffing firms in San Jose45
- Contract staffing firms in Washington44
- Contract staffing firms in Minneapolis42
- Contract staffing firms in Greenville41
- Contract staffing firms in Portland40
- Contract staffing firms in Raleigh40
- Contract staffing firms in Tulsa39
- Contract staffing firms in Pittsburgh38
- Contract staffing firms in Fort Lauderdale34
- Contract staffing firms in Memphis34
- Contract staffing firms in Oklahoma City34
- Contract staffing firms in Richmond32
- Contract staffing firms in Alpharetta31
- Contract staffing firms in Frisco31
- Contract staffing firms in Scottsdale31
- Contract staffing firms in Omaha29
- Contract staffing firms in Troy29
- Contract staffing firms in Baltimore28
- Contract staffing firms in Knoxville27
- Contract staffing firms in Louisville26
- Contract staffing firms in Seattle26
- Contract staffing firms in Columbia25
- Contract staffing firms in Fremont25
- Contract staffing firms in Newark25
- Contract staffing firms in Overland Park25
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 contract staffing firms, 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 contract staffing firms are there based in San Diego, United States?
RevenueBase identified 69 contract staffing firms headquartered in San Diego, 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?
Eastridge Workforce Solutions, headquartered in San Diego, tops this list with the largest team on record.
Which city has the most contract staffing firms?
New York leads with 317 headquartered companies, followed by Houston (270) and Dallas (180).
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 298 verified decision-maker contacts tracked across these 69 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 14, 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.
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