Company lists · Data refreshed October 2026

Top 25 Environmental law firms based in New Orleans, United States

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

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 44 companies tracked

RevenueBase identified 44 company matches for environmental law firms associated with New Orleans, United States as of October 2026 and tracks 1,582 professional contacts across them, including 978 with verified work emails. Across the United States, Washington is the largest hub for this category (127 companies); New Orleans has 44.

This list covers company matches for environmental law firms associated with New Orleans, 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

44Companies

1,582Contacts tracked

978Verified emails

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The 25 largest environmental law firms based in New Orleans, United States

Ranked by team size

Top 25 of 44 company matches for environmental law firms based in New Orleans, 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	Galloway Johnson Tompkins Burr & Smith	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	201-500	328 contacts →
	Exact match “Galloway Johnson Tompkins Burr & Smith stands ready as a premier corporate defense and litigation firm in the Gulf South and Midwest to be your strategic advisor.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	Liskow	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	201-500	259 contacts →
	Exact match “Liskow was founded in 1935 and includes nearly 150 lawyers across our five offices, strategically located in New Orleans, Lafayette, and Baton Rouge, Louisiana, Houston, Texas…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Deutsch Kerrigan, L.L.P	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	140 contacts →
	Exact match “Founded in New Orleans in 1926 by Eberhard Deutsch and Emmett Kerrigan, Deutsch Kerrigan LLP is built on the foundation that we are problem-solvers, applying enduring principles…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Taylor, Wellons, Politz & Duhe, LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	127 contacts →
	Exact match “At Taylor, Wellons, Politz & Duhe, LLC, we understand that our success is inextricably linked with our clients' goals and interests.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	Chaffe Mccall, L.L.P	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	105 contacts →
	Exact match “Chaffe McCall LLP is a full-service law firm centrally located in downtown New Orleans, with additional offices in Houston, and Baton Rouge.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6	Sher Garner Cahill Richter Klein And Hilbert, LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	92 contacts →
	Exact match “At Sher Garner Cahill Richter Klein & Hilbert, L.L.C.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Peiffer Wolf Carr Kane Conway & Wise, LLP	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	68 contacts →
	Exact match “Peiffer Wolf Carr Kane Conway & Wise, LLP is a full-service litigation law firm with offices in New Orleans, Cleveland, Los Angeles, San Francisco, St.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	Simon Peragine Smith & Redfearn	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	68 contacts →
	Exact match “Simon, Peragine, Smith & Redfearn was founded in New Orleans in 1979 by a small group of talented attorneys committed to providing efficient quality legal services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Pugh Accardo LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	42 contacts →
	Exact match “We are a law firm with offices in downtown New Orleans and Mandeville, Louisiana.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Barrasso Usdin Kupperman Freeman & Sarver, L.L.C	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	39 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Kuchler Polk Weiner	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	38 contacts →
	Exact match “Kuchler Polk Weiner, LLC is a woman-owned law firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	Christovich & Kearney, LLP	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	29 contacts →
	Exact match “Our founders believed in quality work, diligence, personal service, cost-effective representation, and high standards of ethics and professionalism.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Flanagan Partners LLP	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	26 contacts →
	Exact match “Flanagan Partners is a New Orleans law firm that litigates complex civil cases, handles high-stakes appeals, and negotiates oil-and-gas contracts.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Mccranie, Sistrunk, Anzelmo, Hardy, Mcdaniel & Welch LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	23 contacts →
	Exact match “McCranie, Sistrunk, Anzelmo, Hardy, McDaniel & Welch LLC is an experienced, aggressive law firm providing a broad spectrum of legal services to corporate and individual clients.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Couhig Partners, LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Couhig Partners is a New Orleans based law firm with a simple mission: to provide our clients with exemplary legal services in an efficient and cost effective manner that is…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	Stag Liuzza, LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	20 contacts →
	Exact match “Stag Liuzza is a plaintiff-oriented law firm.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Plauche Maselli Parkerson LLP	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	18 contacts →
	Exact match “For the past four decades (since our founding in 1981), Plauché Maselli Parkerson has exceeded in the always challenging defense litigation field.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Pusateri Johnston Guillot & Greenbaum LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	51-200	16 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	Salley, Hite, Mercer & Resor LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	16 contacts →
	Exact match “Salley, Hite, Mercer & Resor (SHM & R) was founded in April of 2004 with the goal of providing outstanding legal services with competitive rates.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	Lambert Zainey Smith & Soso	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	1-10	12 contacts →
	Exact match “Lambert Zainey has the tools and the talent to successfully represent our clients in a wide range of civil litigation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21	Elkins PLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “Elkins PLC is a law practice company based out of 201 Saint Charles Ave # 4400, New Orleans, Louisiana, United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Jones, Swanson, Huddell & Garrison, LLC	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	10 contacts →
	Exact match “At Jones Swanson, we’ve put together a team of attorneys with a wide array of interests and backgrounds-not only in litigation, but also in science, government service…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Kanner & Whiteley, L.L.C	Exact match	New Orleans, United StatesHQ recorded Oct 1, 2026	11-50	8 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Kelly Hart Pitre	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	11-50	7 contacts →
	Exact match “Kelly Hart Pitre’s team of Louisiana lawyers focuses on energy and environmental matters.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	The Carter Firm	Exact match	New Orleans, LA, United StatesHQ recorded Oct 1, 2026	1-10	5 contacts →
	Exact match “The Carter Firm provides high quality legal services to corporate defendants and select plaintiffs.” 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 25 of 44 environmental law firms based in New Orleans, United States

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Environmental law firms based in New Orleans, United States at a glance

As of Oct 1, 2026

61.8%Verified-email coverage

36.0Average contacts per company

11-50Median size (employees)

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for New Orleans, so it is reported there. Company counts and contact totals on this page are exact for New Orleans, over 44 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 New Orleans, 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 978 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 New Orleans, United States?

RevenueBase identified 44 company matches for environmental law firms associated with New Orleans, 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?

Galloway Johnson Tompkins Burr & Smith 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). New Orleans has 44.

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 978 professional contacts with verified work emails tracked across these 44 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.