Company lists · Data refreshed September 2026

Top 21 Big six law firms based in Oklahoma City, United States

Name: Big six law firms based in Oklahoma City, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 35 companies tracked

RevenueBase identified 35 company matches for big six law firms associated with Oklahoma City, United States as of September 2026 and tracks 1,119 professional contacts across them, including 648 with verified work emails. Across the United States, New York is the largest hub for this category (668 companies); Oklahoma City has 35.

This list covers company matches for big six law firms associated with Oklahoma City, 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 23, 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 23, 2026 How this list was built

35Companies

1,119Contacts tracked

648Verified emails

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The 21 largest big six law firms based in Oklahoma City, United States

Ranked by team size

Top 21 of 35 company matches for big six law firms based in Oklahoma City, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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	Mcafee & Taft	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	201-500	403 contacts →
	Exact match “By rigorously maintaining the highest standards of legal excellence, the Oklahoma-based law firm of McAfee & Taft has grown to become one of the largest and most respected…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
2	Crowe Dunlevy	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	201-500	237 contacts →
	Exact match “For more than 120 years, Crowe Dunlevy has provided comprehensive legal services to clients ranging from individuals to Fortune 100 companies across the nation and the world.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Arnold & Smith Law, Pllc	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	201-500	88 contacts →
	Exact match “Founded by managing partners Todd W.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Pierce Couch Hendrickson Baysinger & Green, L.L.P	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	51-200	48 contacts →
	Exact match “Originally founded in 1923 as a two-man partnership, Pierce Couch Hendrickson Baysinger & Green has grown to employ 40+ attorneys, with offices located in Oklahoma City at the…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	Hartzog Conger Cason	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	47 contacts →
	Exact match “Hartzog Conger Cason is widely recognized as one of the most prestigious law firms in Oklahoma.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Dunlap Codding PC	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	30 contacts →
	Exact match “Dunlap Codding P.C.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Foliart Huff Ottaway & Bottom	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	28 contacts →
	Exact match “Our attorneys provide legal consulting services to national, regional, and local businesses, including health care providers, product and pharmaceutical manufacturers, oilfield…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
8	Ryan Whaley	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	24 contacts →
	Exact match “Ryan Whaley is a business litigation, energy, and environmental law firm based in Oklahoma City with national, regional, and state clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Durbin Larimore & Bialick, P.C	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	24 contacts →
	Exact match “For more than thirty years, Durbin, Larimore & Bialick has implemented a progressive and strategic approach to achieve unparalleled results for its clients, establishing a…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Christensen LAW Group Pllc	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “Christensen Law Group provides diverse legal services to major banking, brokerage, financial, insurance and industrial entities in Oklahoma and abroad.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
11	Resolution Legal Group	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	14 contacts →
	Exact match “Your lawyers should understand business, be business people themselves, and have a vested interest in your success.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	Fulmer Sill	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	12 contacts →
	Exact match “The founders of Fulmer Sill wanted to move away from the traditional law firm structure in order to facilitate a more efficient and collaborative environment.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	Chubbuck Duncan Robey & Moen, P.C	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	12 contacts →
	Exact match “SERVING OUR STATE AND COMMUNITY Chubbuck, Duncan & Robey is committed to quality legal representation that is critical to the success of our clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Cheek & Falcone, Pllc	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	11 contacts →
	Exact match “Whether in business or personal legal matters, we know that you expect and deserve to receive efficient and effective results from professional and experienced attorneys at a…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Jennings Teague, PC	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	9 contacts →
	Exact match “JENNINGS TEAGUE is a firm of civil litigators and trial lawyers in Oklahoma City.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Derryberry & Naifeh, LLP	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	7 contacts →
	Exact match “At Derryberry & Naifeh, LLP, we have decades of experience representing clients throughout Oklahoma.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	Tomlinson Mckinstry, P.C	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	11-50	6 contacts →
	Exact match “Oklahoma City law firm with a civil practice, with practitioners who emphasize products liability and complex business litigation, employer defense, insurance defense, patents and…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	Fuller Tubb Bickford Warmington & Panach, Pllc	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	5 contacts →
	Exact match “For over sixty years since our founding in 1946, our firm has been providing clients with the highest quality legal services in a thoughtful and creative manner.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Silverline Legal	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “Silverline Legal exists at the intersection of technology and law.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Rainey Law, LLP	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	3 contacts →
	Exact match “We provide high quality legal services with the highest standard of excellence and integrity.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
21	Linholm & Associates	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 23, 2026	1-10	1 contacts →
	Exact match “We are a comprehensive law firm committed to delivering high-quality legal services to both our clients and the community.” Recorded in the RevenueBase company graph · Sep 23, 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 “big six 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 21 of 35 big six law firms based in Oklahoma City, United States

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Big six law firms based in Oklahoma City, United States at a glance

As of Sep 23, 2026

57.9%Verified-email coverage

32.0Average contacts per company

11-50Median size (employees)

Sep 23, 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 Oklahoma City, so it is reported there. Company counts and contact totals on this page are exact for Oklahoma City, over 35 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 Oklahoma City, United States whose business descriptions match “big six 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 648 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 23, 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.

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

How many big six law firms are there based in Oklahoma City, United States?

RevenueBase identified 35 company matches for big six law firms associated with Oklahoma City, 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?

Mcafee & Taft 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 big six law firms?

New York leads the United States with 668 company records, followed by Chicago (344) and Los Angeles (340). Oklahoma City has 35.

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 648 professional contacts with verified work emails tracked across these 35 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 23, 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.