Company lists · Data refreshed September 2026

Top 25 Facilities engineering staffing companies based in Irvine, United States

Name: Facilities engineering staffing companies based in Irvine, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 48 companies tracked

RevenueBase identified 48 facilities engineering staffing companies headquartered in Irvine, United States as of September 2026 and tracks 2,180 professional contacts across them, including 282 with verified work emails. Across the United States, Houston is the largest hub for this category (306 companies); Irvine has 48.

This list covers facilities engineering staffing companies headquartered in Irvine, 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

48Companies

2,180Contacts tracked

282Verified emails

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The 25 largest facilities engineering staffing companies based in Irvine, United States

Ranked by team size

Top 25 of 48 facilities engineering staffing companies based in Irvine, United States, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to facilities engineering 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	Kimco Staffing Services, INC	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	n/a	682 contacts →
	Partial evidence “You can count on Kimco Staffing to always be a business partner and an employee resource when you need us most.” Source: RevenueBase Database · checked Sep 28, 2026
2	IDS Group, INC	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	205 contacts →
	Partial evidence “IDS is an award-winning engineering and architectural firm offering multidisciplinary consulting services through our staff of 90 professionals.” Source: RevenueBase Database · checked Sep 28, 2026
3	Kore1	Strong evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	138 contacts →
	Strong evidence “KORE1 is a nationwide provider of recruiting and staffing services for the Technology, Engineering, Accounting & Finance, Healthcare, and Digital & Creative Services industries.” Source: RevenueBase Database · checked Sep 28, 2026
4	10xengineers	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	129 contacts →
	Indirect evidence “Having difficulty hiring strong teams for your hardware startup?” Source: RevenueBase Database · checked Sep 28, 2026
5	IT Minds LLC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	123 contacts →
	Indirect evidence “IT Minds LLC provides the resources for long and short-term contracts.” Source: RevenueBase Database · checked Sep 28, 2026
6	Marquee Staffing	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	79 contacts →
	Indirect evidence “Are you looking for a new job opportunity?” Source: RevenueBase Database · checked Sep 28, 2026
7	Montek Systems	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	44 contacts →
	Partial evidence “Montek Systems is leader in Staffing and Recruitment, For last 4 years the company has engineered the success of its customers in a wide range of diversified industrial…” Source: RevenueBase Database · checked Sep 28, 2026
8	Greenfield Partners INC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1-10	27 contacts →
	Indirect evidence “Greenfield Partners is a boutique recruiting firm uniquely focused on matching the most qualified information technology and healthcare candidates with top employers across a wide…” Source: RevenueBase Database · checked Sep 28, 2026
9	Vitesse Recruiting & Staffing, INC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	201-500	27 contacts →
	Indirect evidence “62% of employers reported recruiting is becoming more difficult, with 31% expressing dissatisfaction with their current recruiting efforts- Employer Associations of America’s 2017…” Source: RevenueBase Database · checked Sep 28, 2026
10	Pathway Group INC	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	201-500	25 contacts →
	Partial evidence “Pathway Group is a boutique recruitment firm providing staffing solutions to Aerospace, Defense, Manufacturing, Electronics, Automation and Robotics industries in Southern…” Source: RevenueBase Database · checked Sep 28, 2026
11	LANI	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	24 contacts →
	Partial evidence “LANI has been in business for over 28 years and provides staffing services to a variety of industries, including Banking, Title, Escrow, Mortgage, Credit Unions, IT, Healthcare…” Source: RevenueBase Database · checked Sep 28, 2026
12	OMB Electrical Engineers, INC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	51-200	17 contacts →
	Indirect evidence “LSW Engineers, located in Phoenix AZ has been providing Mechanical, Electrical, Plumbing, Technology and Commissioning Services for over 75 years.” Source: RevenueBase Database · checked Sep 28, 2026
13	Express Employment Professionals Irvine, CA	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	n/a	15 contacts →
	Partial evidence “Express Employment Professionals assists thousands of companies each year, including nearly half of the Fortune 500, in developing and sustaining effective staffing strategies.” Source: RevenueBase Database · checked Sep 28, 2026
14	BAS Recruiting	Indirect evidence	Irvine, United StatesHQ checked Sep 28, 2026	11-50	13 contacts →
	Indirect evidence “At BAS Recruiting, we specialize exclusively in recruiting top talent for the Building Automation and HVAC Controls industry.” Source: RevenueBase Database · checked Sep 28, 2026
15	PBA Engineering	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “PBA is a full-service structural, mechanical, and plumbing engineering firm founded by Sharad T.” Source: RevenueBase Database · checked Sep 28, 2026
16	Fortis Resource Partners	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “FORTIS Resource Partners is dedicated to helping our clients find the most qualified professional every time in the least amount of time.” Source: RevenueBase Database · checked Sep 28, 2026
17	Skillsjump	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence “Skillsjump is an software consulting company founded by software engineers.” Source: RevenueBase Database · checked Sep 28, 2026
18	Vivid HR & Staffing	Partial evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “Vivid HR Staffing (Elsner HR) is Arizona’s leading source for Human Resources Professionals and known as the premier contract-hire recruiting firm for long and medium term AND…” Source: RevenueBase Database · checked Sep 28, 2026
19	C.S. Caulkins Co., INC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “Founded over 34 years ago, the C.S.” Source: RevenueBase Database · checked Sep 28, 2026
20	CP Staffing	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	5 contacts →
	Indirect evidence “We're not your average matchmakers.” Source: RevenueBase Database · checked Sep 28, 2026
21	recruitmentllc.com	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “We offer to recruit in the Medical, Technical, Cybersecurity, and Financial Industries.#medical #cybersecurity #technology #bank #creditunion We place all levels from Clerical to…” Source: RevenueBase Database · checked Sep 28, 2026
22	Diamondzb Staffing Services	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “Our company understands the laws and the issues of human resources and employee benefits.” Source: RevenueBase Database · checked Sep 28, 2026
23	Semiserve LLC	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	11-50	3 contacts →
	Indirect evidence “The Semiconductor and Hi-Tech Manufacturing industry is more than ever an essential sector of the economy.” Source: RevenueBase Database · checked Sep 28, 2026
24	2h Talent	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1-10	3 contacts →
	Indirect evidence “At 2H Talent, we're more than just a recruiting firm.” Source: RevenueBase Database · checked Sep 28, 2026
25	PDA Engineers	Indirect evidence	Irvine, CA, United StatesHQ checked Sep 28, 2026	1-10	1 contacts →
	Indirect evidence 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: facilities engineering 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 facilities engineering staffing companies.
Partial evidence: Its own public description names part of facilities engineering staffing companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name facilities engineering 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 48 facilities engineering staffing companies based in Irvine, United States

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Facilities engineering staffing companies based in Irvine, United States at a glance

As of Sep 28, 2026

12.9%Verified-email coverage

45.4Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

10001+

Email recency for this list is measured across the whole United States list rather than for Irvine, so it is reported there. Company counts and contact totals on this page are exact for Irvine, over 48 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 facilities engineering 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 Irvine, United States whose own description of what they do matches “facilities engineering 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 facilities engineering 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 facilities engineering staffing companies, and records with no verified work email. Companies headquartered outside Irvine 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, 282 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.

Facilities engineering staffing companies by metro in the United States

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 facilities engineering 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 facilities engineering staffing companies are there based in Irvine, United States?

RevenueBase identified 48 facilities engineering staffing companies headquartered in Irvine, 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?

Kimco Staffing Services, INC, headquartered in Irvine, tops this list with the largest team on record.

Which city in the United States has the most facilities engineering staffing companies?

Houston leads the United States with 306 headquartered companies, followed by New York (229) and Atlanta (147). Irvine has 48.

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 282 verified decision-maker contacts tracked across these 48 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.