Company lists · Data refreshed October 2026

Top 23 Environmental law firms based in Phoenix, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 30 companies tracked

RevenueBase identified 30 company matches for environmental law firms associated with Phoenix, United States as of October 2026 and tracks 1,155 professional contacts across them, including 722 with verified work emails. Across the United States, Washington is the largest hub for this category (127 companies); Phoenix has 30.

This list covers company matches for environmental law 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 October 1, 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 Oct 1, 2026 How this list was built

30Companies

1,155Contacts tracked

722Verified emails

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The 23 largest environmental law firms based in Phoenix, United States

Ranked by team size

Top 23 of 30 company matches for environmental law firms based in Phoenix, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Fennemore	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	501-1,000	674 contacts →
	Exact match “Since 1885, Fennemore has provided legal counsel to help clients thrive in a complex, evolving business and legal landscape.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Gust Rosenfeld PLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	51-200	112 contacts →
	Exact match “Gust Rosenfeld is a full-service law firm established in 1921 with offices in Phoenix, Tucson, Wickenburg and Flagstaff.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Osborn Maledon, P.A	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	51-200	99 contacts →
	Exact match “Osborn Maledon is a leading Arizona law firm with more than 50 attorneys providing litigation, business and general counsel solutions for our clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	The Cavanagh LAW Firm	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	51-200	74 contacts →
	Exact match “Founded in hard work, quality, integrity and superior client service are the core principles of The Cavanagh Law Firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Coppersmith Brockelman PLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	38 contacts →
	Exact match “We believe that Coppersmith Brockelman has some of the best lawyers around.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Thorpe Shwer, P.C	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	19 contacts →
	Exact match “Thorpe Shwer is a Phoenix-based litigation firm combining the capabilities of a large practice with the attention and laser-focus of a boutique firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Wilenchik & Bartness LAW Office	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	17 contacts →
	Exact match “Our Mission Wilenchik & Bartness has experienced and proven attorneys who provide quality,"big firm" legal representation in a more responsive and less intimidating "small firm"…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Dessaules LAW Group	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	14 contacts →
	Exact match “Litigation is what we do.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Withey Morris Baugh PLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	12 contacts →
	Exact match “We have what it takes to be the best in the land-use arena.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Poli, Moon & Zane, Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “Poli, Moon & Zane, PLLC was founded in 2020 to provide top-flight legal representation to clients in civil litigation matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Newman Jones, Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	9 contacts →
	Exact match “Newman Jones is a full-service law firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Salmon, Lewis & Weldon, P.L.C	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	11-50	9 contacts →
	Exact match “Salmon, Lewis & Weldon was formed in 1995 with the goal of providing our clients the highest quality legal services at a reasonable cost.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Weiler LAW Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	8 contacts →
	Exact match “The lawyers at Weiler Law PLLC provide experienced and skilled guidance for employment, business and health care law matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Hiser Burggraff Curtis	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
15	Vedu PLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	7 contacts →
	Exact match “Business and Tax LAW FIRM Specializing in Commercial Law & Litigation, Tax & Regulatory Compliance We do Business Law and Tax to help you grow, win and relax.™” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Cima LAW Group, PC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	6 contacts →
	Exact match “CIMA Law Group is one of the top law firms in Phoenix providing expert and aggressive legal representation with integrity in action.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Camelback LAW Group	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “At Camelback Law Group, we've been steadily expanding our horizons over the past few years, all with one primary goal in mind – delivering top-notch legal services to our clients…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Mestaz LAW	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	4 contacts →
	Exact match “Daniel Mestaz is an AV-rated commercial trial attorney specializing in commercial and plaintiff's employment litigation, who has been litigating for thirty years.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Burnsbarton PLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “BurnsBarton is a woman-owned business made up of big firm attorneys who have gone small to provide better client service at a lower cost.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Aiken LAW Firm, Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “Our advocacy efforts are complemented by decades of peer-recognized skill and experience in complex litigation and advancing the interests of clients at the state and local…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Nelson LAW Group, Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	3 contacts →
	Exact match “The Nelson Law Group, PLLC provides a wide array of legal and consulting services, including health care regulatory law, commercial litigation, arbitration and mediation, contract…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Randall LAW Pllc	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “Randall Law PLLC is a Phoenix, Arizona law firm focusing its practice in the areas of Employment Law, Litigation & Immigration” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Schleier LAW Offices	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 1, 2026	1-10	1 contacts →
	Exact match “The beginning of Schleier Law Offices goes back over two decades when Tod F.” Recorded in the RevenueBase company graph · Oct 1, 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 law 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 23 of 30 environmental law firms based in Phoenix, United States

See the full list, filter by size, metro and specialty, and access 722 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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

As of Oct 1, 2026

62.5%Verified-email coverage

38.5Average contacts per company

1-10Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 30 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 law 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 722 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 October 1, 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 law 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 law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 30 company matches for environmental law firms associated with Phoenix, United States as of October 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?

Fennemore 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 law firms?

Washington leads the United States with 127 company records, followed by Houston (112) and New York (111). Phoenix has 30.

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 722 professional contacts with verified work emails tracked across these 30 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 October 1, 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.