Company lists · Data refreshed September 2026
Top 25 Engineered staffing agencies based in San Diego, United States
RevenueBase identified 73 engineered staffing agencies headquartered in San Diego, United States as of September 2026 and tracks 1,665 professional contacts across them, including 235 with verified work emails. Houston is the largest hub.
This list covers engineered staffing agencies 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 21, 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 engineered staffing agencies 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 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 142 contacts → | ||||
Partial evidence “Contractors & Builders is focused on developing comprehensive staffing solutions for the construction industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 47 contacts → | ||||
Indirect evidence “Your resource for labor.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Strong evidence “Paradigm is a women-owned staffing firm that specializes in finding jobs for talented professionals in fields including content development, creative design, and engineering.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Strong evidence “Founded in 2002 by two career recruiters, CalTek Staffing is a premier manufacturing, technical, IT and engineering staffing and recruiting firm.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “We’re sincere about developing strong relationships Since our inception, we’ve maintained an ongoing commitment to act as trusted partners to our clients and candidates because…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Partial evidence “BusinesStaff is a leading staffing firm in Southern California and works on a National level.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “Promax Personnel is a staffing agency dedicated to matching businesses with the most suitable talent.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Indirect evidence “TriStaff Search has now been in business in San Diego for 52 years and is still locally owned.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “VIA Technical is now Eliassen Group.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “The Search Bar exists to connect good people to meaningful work.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Premier specializes in executive and mid-level searches for the construction industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “Evolve1Talent is a specialized recruitment partner focused on direct hire placements across a range of industries, including healthcare, DME, medical devices, finance &…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Partial 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 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “The Z Search Group is an executive search firm, specializing in the recruitment & placement of technical and senior management positions in the construction industry.” Source: RevenueBase Database · checked Sep 21, 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: engineered staffing agencies. 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 engineered staffing agencies.
- Partial evidence
- Its own public description names part of engineered staffing agencies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name engineered staffing agencies. 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 73 engineered staffing agencies based in San Diego, United States
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Engineered staffing agencies based in San Diego, United States at a glance
As of Sep 21, 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 73 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 engineered staffing agencies, 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 “engineered staffing agencies”. 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 engineered staffing agencies), 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 engineered staffing agencies, 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, 235 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 21, 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.
Engineered staffing agencies by metro in the United States
- Engineered staffing agencies in Houston304
- Engineered staffing agencies in New York286
- Engineered staffing agencies in Atlanta169
- Engineered staffing agencies in Dallas167
- Engineered staffing agencies in Austin131
- Engineered staffing agencies in Chicago131
- Engineered staffing agencies in Los Angeles103
- Engineered staffing agencies in Denver99
- Engineered staffing agencies in Sheridan98
- Engineered staffing agencies in Miami88
- Engineered staffing agencies in Charlotte85
- Engineered staffing agencies in Phoenix84
- Engineered staffing agencies in Orlando81
- Engineered staffing agencies in Boston79
- Engineered staffing agencies in Tampa79
- Engineered staffing agencies in San Francisco75
- Engineered staffing agencies in San Diego73
- Engineered staffing agencies in Wilmington65
- Engineered staffing agencies in Indianapolis60
- Engineered staffing agencies in San Antonio58
- Engineered staffing agencies in Irving53
- Engineered staffing agencies in Dover52
- Engineered staffing agencies in Minneapolis51
- Engineered staffing agencies in Nashville51
- Engineered staffing agencies in Plano47
- Engineered staffing agencies in Columbus46
- Engineered staffing agencies in Raleigh46
- Engineered staffing agencies in San Jose46
- Engineered staffing agencies in Portland45
- Engineered staffing agencies in Philadelphia44
- Engineered staffing agencies in Washington42
- Engineered staffing agencies in Greenville41
- Engineered staffing agencies in Irvine41
- Engineered staffing agencies in Jacksonville40
- Engineered staffing agencies in Cincinnati38
- Engineered staffing agencies in Las Vegas38
- Engineered staffing agencies in Tulsa37
- Engineered staffing agencies in Memphis36
- Engineered staffing agencies in Seattle36
- Engineered staffing agencies in Troy36
- Engineered staffing agencies in Alpharetta35
- Engineered staffing agencies in Oklahoma City34
- Engineered staffing agencies in Fort Lauderdale33
- Engineered staffing agencies in Pittsburgh33
- Engineered staffing agencies in Scottsdale32
- Engineered staffing agencies in Frisco30
- Engineered staffing agencies in Boca Raton29
- Engineered staffing agencies in Fremont28
- Engineered staffing agencies in Richmond28
- Engineered staffing agencies in Cleveland27
- Engineered staffing agencies in Kansas City26
- Engineered staffing agencies in Overland Park26
- Engineered staffing agencies in Arlington25
- Engineered staffing agencies in Baltimore25
- Engineered staffing agencies in Detroit25
- Engineered staffing agencies in Fort Worth25
- Engineered staffing agencies in Princeton25
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 engineered staffing agencies, 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 engineered staffing agencies are there based in San Diego, United States?
RevenueBase identified 73 engineered staffing agencies 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 engineered staffing agencies?
Houston leads with 304 headquartered companies, followed by New York (286) and Atlanta (169).
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 235 verified decision-maker contacts tracked across these 73 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 21, 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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