Company lists · Data refreshed September 2026

Top 25 Coal law firms based in Houston, United States

RevenueBase identified 46 company matches for coal law firms associated with Houston, United States as of September 2026 and tracks 734 professional contacts across them, including 480 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for coal law firms associated with Houston, 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 27, 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 27, 2026 How this list was built
46Companies
734Contacts tracked
480Verified emails
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The 25 largest coal law firms based in Houston, United States

Ranked by team size
Top 25 of 46 company matches for coal law firms based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchHouston, TX, United StatesHQ recorded Sep 27, 2026201-500222 contacts →

Exact match

“Porter Hedges is recognized as one of the premier business law firms based in Houston.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-20092 contacts →

Exact match

“Oliva Gibbs is a nationally recognized law firm with offices in Columbus, OH, Houston, TX, Lafayette, LA, Midland, TX, Oklahoma City, OK, and San Antonio, TX.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-20085 contacts →

Exact match

“Kuiper Law Firm has established itself as a trusted legal partner for businesses across diverse industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-5053 contacts →

Exact match

“Toeppich and Associates is one of the most recognized firms in the oil and gas industry, with attorneys practicing in all areas of oil and gas law, including title examination…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-5018 contacts →

Exact match

“Kirby, Mathews & Walrath is a professional limited liability company which was founded on the idea that the participants in the oil and gas industry are best served by a firm that…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-1017 contacts →

Exact match

“With deep roots in Houston and Harris County, Cris and David Feldman have established a firm with a record in complex civil litigation, commercial disputes, personal injury…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-5014 contacts →

Exact match

“Located in Houston, Texas, Hogan Thompson Schuelke LLP is a litigation boutique focused on energy industry disputes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“Amini Law Firm PLLC is a Houston-based law firm with a primary focus on oil and gas law.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-1012 contacts →

Exact match

“Copeland & Rice is a litigation-only law firm serving clients nationwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-20012 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-2009 contacts →

Exact match

“McDowell Hetherington is a national trial firm that supports the energy, insurance, and financial sectors, among others, with their most complex legal needs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-509 contacts →

Exact match

“Looper Goodwine is a boutique law firm with global reach, handling sophisticated energy industry transactions, tax matters and complex civil litigation on behalf of corporations…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-509 contacts →

Exact match

“We are small but rapidly growing law firm seeking to provide efficient and cost effective legal services to our clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-508 contacts →

Exact match

“Schiffer Hicks Johnson is a boutique law firm based in Houston, Texas.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202611-508 contacts →

Exact match

“Serving the Oil & Gas Industry with Experience, Energy, and Excellence covering Exploration, Production, Exploitation, Development, Acquisitions, Divestitures…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-107 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-106 contacts →

Exact match

“At Petry Rosie & Sinex, P.L.L.C, our goal is to help our clients succeed, and we pride ourselves on giving each and every client personalized, honest and efficient legal…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchHouston, TX, United StatesHQ recorded Sep 27, 202651-2005 contacts →

Exact match

“The Kilburn Law Firm offers a broad range of services relating to all areas of oil, gas and mineral law, including title examination, pooling and unitization, lease interpretation…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Jones Gill Porter and Crawford LLP was founded in 1998, with a primary emphasis in oil and gas law.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Faulk Barchus is a boutique law firm representing clients in a variety of matters.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Law firm that supports oil and gas companies and title attorneys handle due diligence and transaction closures on mineral and surface properties across Texas.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchHouston, TX, United StatesHQ recorded Sep 27, 20261-102 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 46 coal law firms based in Houston, United States

See the full list, filter by size, metro and specialty, and access 480 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Coal law firms based in Houston, United States at a glance

As of Sep 27, 2026
65.4%Verified-email coverage
16.0Average contacts per company
1-10Median size (employees)
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
15
51-200
5
201-500
1
1,001-5,000
1

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, 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 Houston, United States whose business descriptions match “coal 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 480 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 27, 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.

Coal 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 “coal law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many coal law firms are there based in Houston, United States?

RevenueBase identified 46 company matches for coal law firms associated with Houston, 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?

Porter Hedges LLP 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 coal law firms?

Houston leads the United States with 46 company records, followed by Washington (32) and Austin (25).

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 480 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 27, 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.