Company lists · Data refreshed September 2026

Top 20 Environmental engineering firms based in Phoenix, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 46 companies tracked

RevenueBase identified 46 company matches for environmental engineering firms associated with Phoenix, United States as of September 2026 and tracks 2,563 professional contacts across them, including 1,493 with verified work emails. Across the United States, Houston is the largest hub for this category (138 companies); Phoenix has 46.

This list covers company matches for environmental engineering firms associated with Phoenix, 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 16, 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 16, 2026 How this list was built

46Companies

2,563Contacts tracked

1,493Verified emails

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The 20 largest environmental engineering firms based in Phoenix, United States

Ranked by team size

Top 20 of 46 company matches for environmental engineering firms based in Phoenix, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 16, 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	Swca Environmental Consultants	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1,001-5,000	1,629 contacts →
	Exact match “Founded on a commitment to sound science and creative solutions, SWCA is a leader in environmental and management consulting services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
2	Dibble	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	51-200	156 contacts →
	Exact match “Dibble provides a full range of multi-discipline engineering and planning services to clients across the Southwestern United States.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
3	SEG International	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	51-200	100 contacts →
	Exact match “Sustainability Engineering Group, LLC, DBA SEG International was founded as a leader in sustainable civil engineering site design.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
4	LSW Engineers	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	51-200	81 contacts →
	Exact match “LSW Engineers Arizona, Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
5	NCS Engineers	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	51-200	47 contacts →
	Exact match “NCS is an experienced water and wastewater engineering consulting firm with offices in Arizona, Maryland, Nevada, New Mexico and California.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
6	Aztec Engineering Group, INC	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	51-200	35 contacts →
	Exact match “AZTEC is a multi-discipline Engineering and Environmental consulting firm assisting public and private clients to plan, develop, design, construct, and maintain critical…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
7	Apmi, INC	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	25 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
8	KCB Consultants LTD	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	21 contacts →
	Exact match “KCB Consultants Ltd.(KCBCL) is the US subsidiary of Klohn Crippen Berger, an internationally recognized engineering consulting company.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
9	Hess-Rountree, A Bowman Company	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	14 contacts →
	Exact match “Starting February 3, 2025, Hess-Rountree, a Bowman company will be branded as Bowman.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
10	Peterson Associates Consulting Engineers	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	13 contacts →
	Exact match “Peterson Associates is one of the Southwest’s leading consulting engineering firms, specializing in the design of mechanical, plumbing and electrical systems, as well as…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
11	Valentine Environmental Engineers, LLC	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	12 contacts →
	Exact match “Valentine Environmental Engineers believe that all societies deserve clean water and plenty of it.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
12	Hoskin Ryan A Huitt-Zollars Company	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	11 contacts →
	Exact match “Hoskin Ryan Consultants, Inc, a Huitt-Zollars Company, is a full service civil engineering firm providing expertise in land planning, hydrology, land development, civil…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
13	Environmental Technology	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	9 contacts →
	Exact match “Environmental Technology is now operating as EIS – Environmental Infrastructure Solutions (EIS).” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
14	Assured Engineering Concepts, LLC	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	9 contacts →
	Exact match “CORPORATE MISSION Our mission is to provide top quality professional engineering design, project management and consulting services to a balanced mix of public and private sector…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
15	Hiser Burggraff Curtis	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	7 contacts →
	Exact match “Hiser Burggraff Curtis is an environmental law firm focusing on permitting, compliance, litigation and sustainability.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
16	N. Weiss Associates, Inc. Environmental, Health, And Safety Consulting And Compliance Services	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	5 contacts →
	Exact match “Since 1996 we have provided EHS compliance services to clients ranging from small business to large Fortune 100 companies.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
17	CM Associates Engineers, Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	1-10	4 contacts →
	Exact match “CM Associates Engineers, PLLC (CM) is a full service engineering and consulting firm that specializes in Mechanical, Electrical, Plumbing (MEP) and Fire Protection design, as well…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
18	The Mcgovern Group, LLC	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 16, 2026	11-50	4 contacts →
	Exact match “The McGovern Group delivers and manages exceptional environmental and third party expertise to the corporate deal and commercial real estate development communities.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
19	Matrix Design Group	Exact match	Phoenix, United StatesHQ recorded Sep 16, 2026	201-500	2 contacts →
	Exact match “Matrix is a nationally recognized, award-winning firm delivering engineering, architectural, planning, ecological, environmental, design, construction, program management, and…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase
20	Peterson Energy Group	Exact match	Phoenix, United StatesHQ recorded Sep 16, 2026	1-10	1 contacts →
	Exact match “Peterson Energy Group is a highly skilled engineering firm.” Recorded in the RevenueBase company graph · Sep 16, 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 firms”. 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 20 of 46 environmental engineering firms based in Phoenix, United States

See the full list, filter by size, metro and specialty, and access 1,493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Environmental engineering firms based in Phoenix, United States at a glance

As of Sep 16, 2026

58.3%Verified-email coverage

55.7Average contacts per company

1-10Median size (employees)

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Phoenix, so it is reported there. Company counts and contact totals on this page are exact for Phoenix, over 46 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 Phoenix, United States whose business descriptions match “environmental engineering firms” 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 1,493 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 16, 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 firms 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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many environmental engineering firms are there based in Phoenix, United States?

RevenueBase identified 46 company matches for environmental engineering firms associated with Phoenix, 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?

Swca Environmental 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 firms?

Houston leads the United States with 138 company records, followed by New York (101) and Austin (73). Phoenix has 46.

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 1,493 professional contacts with verified work emails tracked across these 46 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 16, 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.