Company lists · Data refreshed September 2026

Top 25 Environmental engineering staffing companies based in Dallas, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 73 companies tracked

RevenueBase identified 73 company matches for environmental engineering staffing companies associated with Dallas, United States as of September 2026 and tracks 2,680 professional contacts across them, including 947 with verified work emails. Across the United States, Houston is the largest hub for this category (215 companies); Dallas has 73.

This list covers company matches for environmental engineering staffing companies associated with Dallas, 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 September 28, 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 Sep 28, 2026 How this list was built

73Companies

2,680Contacts tracked

947Verified emails

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The 25 largest environmental engineering staffing companies based in Dallas, United States

Ranked by team size

Top 25 of 73 company matches for environmental engineering staffing companies based in Dallas, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Trinity Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	961 contacts →
	Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Paladin Consulting	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	198 contacts →
	Exact match “Paladin Consulting is a nationwide Talent Acquisition and Placement consulting firm.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Core Personnel Staffing Services	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	501-1,000	175 contacts →
	Exact match “Core Personnel is a premiere staffing agency with offices in Dallas, Houston, Austin and Las Vegas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Frontline Source Group	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	201-500	172 contacts →
	Exact match “Frontline Source Group: Your Strategic Staffing Partner At Frontline Source Group, we elevate professional staffing through our core philosophy:"People.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Ensolum, LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	136 contacts →
	Exact match “OUR MISSION is to combine sustainable environmental solutions with forward-thinking, cost-effective, innovative, and value-added technologies that balance our clients’ economic…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	RPC Company	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	106 contacts →
	Exact match “RPC provides high-quality candidates for temporary, temp-to-hire, and direct hire positions throughout the United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Welcometech	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	101 contacts →
	Exact match “A leader in the recruitment and placement of professionals from various verticals like Healthcare, Healthcare IT, Law Enforcement and Corrections, Engineering, IT (Information…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	American Trades Contracting	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1,001-5,000	99 contacts →
	Exact match “American Trades Contracting was founded in 2009 with both the needs of the Clients and the needs of the Skilled worker in mind.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Imprimis Group	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	68 contacts →
	Exact match “Imprimis Group delivers a myriad of staffing, training and outsourcing services to match qualified candidates with respected companies throughout Texas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	Tekk Force	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Tekk Force LLC began as a local, Texas-based staffing company and has grown into a nationwide staffing service provider with an extensive database of candidates spanning the U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Sabio Infotech INC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	23 contacts →
	Exact match “Sabio staffing experts know tech.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Birkhoff, Hendricks & Carter, L.L.P	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “BHC’s roots were founded in Dallas, Texas in 1969 to provide professional engineering services to municipalities and other governmental agencies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Rightstaff INC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	18 contacts →
	Exact match “RightStaff is a nationwide professional services and staffing solutions partner.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	MV Engineering, INC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Dallas Employment Services	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “Join our Talent Network by visiting our website and clicking the "Join our Talent Network" button.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Envirophase	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	14 contacts →
	Exact match “EnviroPhase is an environmental consulting firm serving clients in commercial and industrial property, development and banking.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Arredondo, Zepeda & Brunz, LLC An Ardurra Company	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	12 contacts →
	Exact match “With our 42-year successful track record of meeting external and internal client needs, Arredondo, Zepeda & Brunz, LLC (AZ & B) is an established Texas firm with 85 employees.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	JQ Infrastructure	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “JQ Infrastructure (JQ) was established on the principles of providing high quality engineering services to its municipal clients in all types of municipal infrastructure analysis…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Geoscience Engineers, LLC	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Registered in the State of Texas in 1985, Geoscience has provided services to a wide range of industries throughout Texas, as well as other states such as Oklahoma, Tennessee…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Hayden Consultants, Inc., A GEI Company	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Technical Resource Group	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	51-200	12 contacts →
	Exact match “Technical Resource Group (TRG) was established in 1989 and subsequently experienced an average of 43% annual growth in its first 10 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Prodigy Placements	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “Prodigy Placements’ Philosophy We believe in working with professionals who possess integrity and a commitment to act as a true business partner for both our clients and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Eagle Tech Consultants	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Eagle Tech understands how crucial it is to find the right person for any team.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Preferred Staff	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	201-500	9 contacts →
	Exact match “We are a staffing company that provides temporary staff, leased labor for short-term and long-term contracts as well as temp-to-hire permanent employees – and so much more!” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Nickerson Talent Solutions	Exact match	Dallas, TX, United StatesHQ recorded Sep 28, 2026	11-50	9 contacts →
	Exact match “We are a premier provider of staffing solutions for businesses across a wide range of industries.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental engineering staffing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 73 environmental engineering staffing companies based in Dallas, United States

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Environmental engineering staffing companies based in Dallas, United States at a glance

As of Sep 28, 2026

35.3%Verified-email coverage

36.7Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Dallas, so it is reported there. Company counts and contact totals on this page are exact for Dallas, over 73 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 Dallas, United States whose business descriptions match “environmental engineering staffing companies” 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 947 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 September 28, 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.

Environmental engineering staffing companies by metro in the United States

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

How many environmental engineering staffing companies are there based in Dallas, United States?

RevenueBase identified 73 company matches for environmental engineering staffing companies associated with Dallas, United States as of September 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?

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

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

Houston leads the United States with 215 company records, followed by New York (103) and Dallas (73).

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 947 professional contacts with verified work emails tracked across these 73 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 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 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.