Company lists · Data refreshed November 2026

Top 25 Chemical engineering staffing based in the United States

RevenueBase identified 1,386 company matches for chemical engineering staffing associated with the United States as of November 2026 and tracks 27,929 professional contacts across them, including 5,069 with verified work emails. Houston is the largest hub.

This list covers company matches for chemical 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 November 5, 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 Nov 5, 2026 How this list was built
1,386Companies
27,929Contacts tracked
5,069Verified emails
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The 25 largest chemical engineering staffing based in the United States

Ranked by team size
Top 25 of 1,386 company matches for chemical engineering staffing based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchMayfield Heights, OH, United StatesHQ recorded Nov 5, 2026501-1,0001,723 contacts →

Exact match

“Companies need talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchGreenville, United StatesHQ recorded Nov 5, 2026201-5001,274 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 · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSan Diego, CA, United StatesHQ recorded Nov 5, 2026n/a845 contacts →

Exact match

“Eastridge Workforce Solutions is a trusted staffing partner helping businesses build stronger, more productive teams across industrial and professional sectors.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchTustin, CA, United StatesHQ recorded Nov 5, 2026501-1,000764 contacts →

Exact match

“PTS Advance teams up with thousands of candidates, clients, and partners to advance workforce utilization in the Oil, Gas & Chemicals, Power & Renewables, Advanced Manufacturing…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchOrange, CA, United StatesHQ recorded Nov 5, 20265,001-10,000666 contacts →

Exact match

“A Six Sigma Company ~61 years in the industry ~Nationwide 4 million+ candidate database ~Fortune Company ~Extensive E-Recruiting capabilities ~Reference and Employment check…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchHanover, MD, United StatesHQ recorded Nov 5, 20261,001-5,000522 contacts →

Exact match

“EASi is now Actalent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchSouthfield, MI, United StatesHQ recorded Nov 5, 20261,001-5,000519 contacts →

Exact match

“Trusted for Talent.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchKalamazoo, MI, United StatesHQ recorded Nov 5, 2026201-500509 contacts →

Exact match

“Trillium Construction Services has over a quarter of a century of experience in the construction recruiting industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBurlington, MA, United StatesHQ recorded Nov 5, 2026201-500487 contacts →

Exact match

“For the last sixty years Entegee has provided Fortune 500 and other companies with highly qualified engineering and technical personnel.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchOak Brook, IL, United StatesHQ recorded Nov 5, 202651-200363 contacts →

Exact match

“RHM Staffing Solutions is an award-winning staffing firm connecting top talent with employers through contract, contract-to-hire, and direct hire roles.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchLouisville, TX, United StatesHQ recorded Nov 5, 2026201-500333 contacts →

Exact match

“Chemical & Industrial Engineering, Inc.(C&I) is a full-service Engineering, Design & Procurement firm, providing hands-on design expertise for increasing capacity, improving…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Nov 5, 202651-200268 contacts →

Exact match

“CTS - Complete Technical Services, Inc.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchEagan, MN, United StatesHQ recorded Nov 5, 2026501-1,000240 contacts →

Exact match

“C4 Technical Services knows the right people in IT and Telecom C4 Technical Services earns the trust of our clients and candidates by understanding the needs of both, matching…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchColumbus, IN, United StatesHQ recorded Nov 5, 2026201-500211 contacts →

Exact match

“LER TechForce, previously LHP Engineering Resources, was founded in 2001 and has boasted year-over-year growth ever since.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchNewark, DE, United StatesHQ recorded Nov 5, 2026201-500203 contacts →

Exact match

“We understand you want to be recognized for your reputation of reliable and efficient project completion.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchNeedham, MA, United StatesHQ recorded Nov 5, 2026n/a198 contacts →

Exact match

“Resource Options Inc.(ROI) provides custom staffing solutions to the design, construction, environmental, & emergency response industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBethesda, MD, United StatesHQ recorded Nov 5, 202651-200166 contacts →

Exact match

“Information for Clients: Elite Personnel, a certified woman-owned business, is a full-service recruitment firm providing top-notch personnel for Direct Hire, Temp-to-Hire…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchIssaquah, MO, United StatesHQ recorded Nov 5, 2026201-500164 contacts →

Exact match

“For more than 30 years, CTS International has been filling highly technical jobs utilizing our streamlined recruitment process, superior services, and international expertise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Nov 5, 202651-200163 contacts →

Exact match

“Progressive is a global staffing company connecting STEM talent with leading companies in the Power and Utilities, Renewable Energy, Oil and Gas, and Manufacturing industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchDubuque, WI, United StatesHQ recorded Nov 5, 2026n/a163 contacts →

Exact match

“Sedona Staffing Services (Careerpros LLC) is a Certified Woman Owned, professional nationwide recruiting and executive search firm.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchNorfolk, FL, United StatesHQ recorded Nov 5, 2026201-500163 contacts →

Exact match

“Shipyard Staffing is a specialty marine staffing firm focused on providing skilled trade personnel to the ship construction and repair industry.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchSt. Louis, MO, United StatesHQ recorded Nov 5, 202651-200161 contacts →

Exact match

“Accounting Career Consultants has been providing direct-hire, consulting, and temporary placement services since 1985.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchBaton Rouge, LA, United StatesHQ recorded Nov 5, 202651-200159 contacts →

Exact match

“GRSA is a full service professional engineering company providing process and detailed engineering services for a broad range of upstream, midstream, and downstream petrochemical…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Nov 5, 2026501-1,000159 contacts →

Exact match

“Since 1987, The Bergaila Companies have been matching talented people with great jobs in oil, gas, and energy.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchWashington, MI, United StatesHQ recorded Nov 5, 2026201-500137 contacts →

Exact match

“For more than 18 years, Axiem International has provided the highest quality Engineering deliverables and professionals to the Energy, Aerospace, Automotive & Industrial…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 1,386 chemical engineering staffing based in the United States

See the full list, filter by size, metro and specialty, and access 5,069 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Chemical engineering staffing based in the United States at a glance

As of Nov 5, 2026
18.1%Verified-email coverage
20.2Average contacts per company
1-10Median size (employees)
8.0%Largest-city concentration · Houston
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
750
11-50
366
51-200
177
201-500
60
501-1,000
14
1,001-5,000
13
5,001-10,000
2
10001+
4

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 1,386 companies.

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 “chemical 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 5,069 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 November 5, 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.

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

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

RevenueBase identified 1,386 company matches for chemical engineering staffing associated with the United States as of November 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?

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

Which city has the most chemical engineering staffing?

Houston leads with 111 company records, followed by Austin (27) and Denver (23).

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 5,069 professional contacts with verified work emails tracked across these 1,386 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 November 5, 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.