Company lists · Data refreshed August 2026
Top 25 Constitutional law firms based in the United States
RevenueBase identified 3,325 company matches for constitutional law firms associated with the United States as of August 2026 and tracks 52,680 professional contacts across them, including 27,172 with verified work emails and 27,529 with mobile numbers. New York is the largest hub.
This list covers company matches for constitutional law firms associated with the 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 August 31, 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.
The 25 largest constitutional law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,807 contacts → | ||||
Exact match “As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 2 | 2,036 contacts → | ||||
Exact match “Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 3 | 1,791 contacts → | ||||
Exact match “Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 4 | 1,077 contacts → | ||||
Exact match “The ACLU is an non-profit, non-partisan organization of people who believe in the power of action.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 5 | 1,060 contacts → | ||||
Exact match “Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 6 | 686 contacts → | ||||
Exact match “Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 7 | 673 contacts → | ||||
Exact match “GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 8 | 666 contacts → | ||||
Exact match “Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 9 | 576 contacts → | ||||
Exact match “Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 10 | 528 contacts → | ||||
Exact match “Munger, Tolles & Olson is a 200-lawyer firm based in Los Angeles with a national practice representing clients in a broad range of complex and high-profile matters.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 11 | 522 contacts → | ||||
Exact match “Gunster, Florida’s law firm for leaders, provides full-service legal counsel to leading organizations and individuals from its 13 offices statewide.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 12 | 511 contacts → | ||||
Exact match “The United Firm | La Liga Defensora, A.P.C.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 13 | 476 contacts → | ||||
Exact match “Founded in 1980, Kelley Kronenberg is an award-winning, multi-practice national law firm with over 520 employees, more than 240 attorneys, and 19 locations throughout Florida and…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 14 | 406 contacts → | ||||
Exact match “21 Offices | 11 States | 1 Firm Dickie, McCamey & Chilcote, P.C.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 15 | 338 contacts → | ||||
Exact match “Resnick & Louis, P.C.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 16 | 332 contacts → | ||||
Exact match “Nossaman LLP is a national law firm with attorneys and policy advisors located in 12 offices throughout the United States.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 17 | 317 contacts → | ||||
Exact match “For over 125 years, Richards, Layton & Finger has been the go-to Delaware law firm for clients seeking top-notch counsel and representation.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 18 | 315 contacts → | ||||
Exact match “Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 19 | 297 contacts → | ||||
Exact match “Schiff Hardin LLP is now ArentFox Schiff.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 20 | 294 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 21 | 287 contacts → | ||||
Exact match “Founded in 1994 with just 16 attorneys and two practice areas, Manning Kass is today a top-tier full-service national law firm with more than 170 Attorneys, 8 offices, and 35…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 22 | 286 contacts → | ||||
Exact match “WHO WE ARE At Messerli Kramer, we’ve spent 60 years building a reputation as a firm of “attorneys and advisors” – or, as we like to say, a place where the law isn’t always the…” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 23 | 279 contacts → | ||||
Exact match “Margolis Edelstein was founded in Philadelphia over 65 years ago.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 24 | 263 contacts → | ||||
Exact match “Fueled by the steadfast commitment of our loyal clients, WWHGD lawyers have dedicated themselves to a vision of creating a powerhouse national trial firm.” Recorded in the RevenueBase company graph · Aug 31, 2026 · View company records in RevenueBase | |||||
| 25 | 259 contacts → | ||||
Exact match “Swanson, Martin & Bell, LLP was founded in 1992 by a group of trial lawyers who left a large Chicago firm to better serve the needs of their clients.” Recorded in the RevenueBase company graph · Aug 31, 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 “constitutional 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 3,325 constitutional law firms based in the United States
See the full list, filter by size, metro and specialty, and access 27,172 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Constitutional law firms based in the United States at a glance
As of Aug 31, 2026Companies by employee count
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 the United States whose business descriptions match “constitutional 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 27,172 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 August 31, 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.
Constitutional law firms by metro
- Constitutional law firms in New York152
- Constitutional law firms in Washington94
- Constitutional law firms in Los Angeles72
- Constitutional law firms in Chicago70
- Constitutional law firms in Houston63
- Constitutional law firms in Atlanta53
- Constitutional law firms in Denver45
- Constitutional law firms in Dallas42
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 “constitutional law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many constitutional law firms are there based in the United States?
RevenueBase identified 3,325 company matches for constitutional law firms associated with the United States as of August 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?
Gordon Rees Scully Mansukhani, LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most constitutional law firms?
New York leads with 152 company records, followed by Washington (94) and Los Angeles (72).
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 27,172 professional contacts with verified work emails tracked across these 3,325 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 August 31, 2026.
Ready to reach these companies? Verified emails and direct dials for all 3,325 constitutional law firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Constitutional law firms by geography
- Constitutional law firms based in Brazil
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- Constitutional law firms based in Mexico
- Constitutional law firms based in Canada
- Constitutional law firms based in the Netherlands
- Constitutional law firms based in Poland
- Constitutional law firms based in Argentina
- Constitutional law firms based in the United Kingdom
- Constitutional law firms based in South Africa
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.
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Company intelligence · public preview
Top 25 constitutional law firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,325 matching company records for constitutional law firms based in the United States, with 52,680 tracked contacts and 27,172 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: August 31, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 constitutional law firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,807 contacts → |
“As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nelson Mullins Riley & Scarboroughnelsonmullins.comHQ: HQ not recorded; location: Columbia, SC, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Columbia, SC, United States | 1,001-5,000 | Exact match | 2,036 contacts → |
“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Venable LLPvenable.comHQ: HQ not recorded; location: Washington, DC, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Washington, DC, United States | 1,001-5,000 | Exact match | 1,791 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ACLUaclu.orgHQ: HQ not recorded; location: NY, United StatesReported employees: 501-1,000 | HQ not recorded; location: NY, United States | 501-1,000 | Exact match | 1,077 contacts → |
“The ACLU is an non-profit, non-partisan organization of people who believe in the power of action.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Quintairos, Prieto, Wood & Boyer, P.Aqpwblaw.comHQ: HQ not recorded; location: Jacksonville, FL, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Jacksonville, FL, United States | 1,001-5,000 | Exact match | 1,060 contacts → |
“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Kelley Drye & Warren LLPkelleydrye.comHQ: HQ not recorded; location: Los Angeles, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Los Angeles, CA, United States | 501-1,000 | Exact match | 686 contacts → |
“Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Grayrobinson, P.Agray-robinson.comHQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Miami, FL, United States | 501-1,000 | Exact match | 673 contacts → |
“GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Honigman LLPhonigman.comHQ: HQ not recorded; location: Kalamazoo, MI, United StatesReported employees: 501-1,000 | HQ not recorded; location: Kalamazoo, MI, United States | 501-1,000 | Exact match | 666 contacts → |
“Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Wiley Rein LLPwiley.lawHQ: HQ not recorded; location: Washington, DC, United StatesReported employees: 501-1,000 | HQ not recorded; location: Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Munger, Tolles & Olson LLPmto.comHQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Francisco, CA, United States | 201-500 | Exact match | 528 contacts → |
“Munger, Tolles & Olson is a 200-lawyer firm based in Los Angeles with a national practice representing clients in a broad range of complex and high-profile matters.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gunstergunster.comHQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Miami, FL, United States | 501-1,000 | Exact match | 522 contacts → |
“Gunster, Florida’s law firm for leaders, provides full-service legal counsel to leading organizations and individuals from its 13 offices statewide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  The United Firm LA Liga Defensora, APCunitedfirmlld.comHQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Austin, TX, United States | 1,001-5,000 | Exact match | 511 contacts → |
“The United Firm | La Liga Defensora, A.P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Kelley Kronenbergkelleykronenberg.comHQ: HQ not recorded; location: Daytona Beach, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Daytona Beach, FL, United States | 501-1,000 | Exact match | 476 contacts → |
“Founded in 1980, Kelley Kronenberg is an award-winning, multi-practice national law firm with over 520 employees, more than 240 attorneys, and 19 locations throughout Florida and…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Dickie, Mccamey & Chilcotedmclaw.comHQ: HQ not recorded; location: Charlotte, NC, United StatesReported employees: 201-500 | HQ not recorded; location: Charlotte, NC, United States | 201-500 | Exact match | 406 contacts → |
“21 Offices | 11 States | 1 Firm Dickie, McCamey & Chilcote, P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Resnick & Louis, P.C.rlattorneys.comHQ: HQ not recorded; location: Irvine, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Irvine, CA, United States | 501-1,000 | Exact match | 338 contacts → |
“Resnick & Louis, P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nossaman LLPnossaman.comHQ: HQ not recorded; location: Tucson, AZ, United StatesReported employees: 201-500 | HQ not recorded; location: Tucson, AZ, United States | 201-500 | Exact match | 332 contacts → |
“Nossaman LLP is a national law firm with attorneys and policy advisors located in 12 offices throughout the United States.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Richards, Layton & Fingerrlf.comHQ: HQ not recorded; location: Wilmington, DE, United StatesReported employees: 201-500 | HQ not recorded; location: Wilmington, DE, United States | 201-500 | Exact match | 317 contacts → |
“For over 125 years, Richards, Layton & Finger has been the go-to Delaware law firm for clients seeking top-notch counsel and representation.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Mcnees Wallace & Nurickmcneeslaw.comHQ: HQ not recorded; location: Lancaster, PA, United StatesReported employees: 201-500 | HQ not recorded; location: Lancaster, PA, United States | 201-500 | Exact match | 315 contacts → |
“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Schiff Hardin LLPafslaw.comHQ: HQ not recorded; location: Chicago, IL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Chicago, IL, United States | 501-1,000 | Exact match | 297 contacts → |
“Schiff Hardin LLP is now ArentFox Schiff.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Maynard Nexsenmaynardnexsen.comHQ: HQ not recorded; location: Los Angeles, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Los Angeles, CA, United States | 501-1,000 | Exact match | 294 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Manning Kassmanningkass.comHQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Francisco, CA, United States | 201-500 | Exact match | 287 contacts → |
“Founded in 1994 with just 16 attorneys and two practice areas, Manning Kass is today a top-tier full-service national law firm with more than 170 Attorneys, 8 offices, and 35…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Messerli Kramer, P.Amesserlikramer.comHQ: HQ not recorded; location: Minneapolis, MN, United StatesReported employees: 201-500 | HQ not recorded; location: Minneapolis, MN, United States | 201-500 | Exact match | 286 contacts → |
“WHO WE ARE At Messerli Kramer, we’ve spent 60 years building a reputation as a firm of “attorneys and advisors” – or, as we like to say, a place where the law isn’t always the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Margolis Edelsteinmargolisedelstein.comHQ: HQ not recorded; location: Wilimington, United StatesReported employees: 201-500 | HQ not recorded; location: Wilimington, United States | 201-500 | Exact match | 279 contacts → |
“Margolis Edelstein was founded in Philadelphia over 65 years ago.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Weinberg Wheeler Hudgins Gunn & Dialwwhgd.comHQ: HQ not recorded; location: Birmingham, AL, United StatesReported employees: 201-500 | HQ not recorded; location: Birmingham, AL, United States | 201-500 | Exact match | 263 contacts → |
“Fueled by the steadfast commitment of our loyal clients, WWHGD lawyers have dedicated themselves to a vision of creating a powerhouse national trial firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Swanson, Martin & Bell, LLPsmbtrials.comHQ: HQ not recorded; location: Edwardsville, IL, United StatesReported employees: 201-500 | HQ not recorded; location: Edwardsville, IL, United States | 201-500 | Exact match | 259 contacts → |
“Swanson, Martin & Bell, LLP was founded in 1992 by a group of trial lawyers who left a large Chicago firm to better serve the needs of their clients.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,325 company matches
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Constitutional law firms: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,304 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: August 31, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Constitutional law firms by metro
- Constitutional law firms in New York152
- Constitutional law firms in Washington94
- Constitutional law firms in Los Angeles72
- Constitutional law firms in Chicago70
- Constitutional law firms in Houston63
- Constitutional law firms in Atlanta53
- Constitutional law firms in Denver45
- Constitutional law firms in Dallas42
Questions about this company list
What does Exact match mean for constitutional law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many constitutional law firms did RevenueBase find based in the United States?
The saved snapshot records 3,325 matching company records, 52,680 tracked contacts and 27,172 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: August 31, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Constitutional law firms by geography
- Constitutional law firms based in Brazil
- Constitutional law firms based in Spain
- Constitutional law firms based in Italy
- Constitutional law firms based in France
- Constitutional law firms based in Germany
- Constitutional law firms based in Mexico
- Constitutional law firms based in Canada
- Constitutional law firms based in the Netherlands
- Constitutional law firms based in Poland
- Constitutional law firms based in Argentina
- Constitutional law firms based in the United Kingdom
- Constitutional law firms based in South Africa
Cite this list
RevenueBase Data Team. Top 25 constitutional law firms based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/constitutional-law-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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Company intelligence · public preview
Top 25 constitutional law firms based in the United States
RevenueBase records 3,325 matching company records for constitutional law firms based in the United States, with 52,680 tracked contacts and 27,172 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: August 31, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 constitutional law firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: San Francisco, CA, United States | 1,001-5,000 | Exact match | 2,807 contacts → |
“As the only full-service law firm with offices and attorneys in all 50 states, Gordon Rees Scully Mansukhani delivers maximum value to our clients by combining the resources of a…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nelson Mullins Riley & Scarboroughnelsonmullins.com HQ: HQ not recorded; location: Columbia, SC, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Columbia, SC, United States | 1,001-5,000 | Exact match | 2,036 contacts → |
“Established in 1897, Nelson Mullins is an Am Law 100 firm of more than attorneys, policy advisors and professionals with 33 offices in 17 states and Washington, D.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Venable LLPvenable.com HQ: HQ not recorded; location: Washington, DC, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Washington, DC, United States | 1,001-5,000 | Exact match | 1,791 contacts → |
“Committed to Your Success – As a law firm of more than 900 professionals, Venable delivers legal services globally in every area of regulatory compliance, government affairs…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ACLUaclu.org HQ: HQ not recorded; location: NY, United StatesReported employees: 501-1,000 | HQ not recorded; location: NY, United States | 501-1,000 | Exact match | 1,077 contacts → |
“The ACLU is an non-profit, non-partisan organization of people who believe in the power of action.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Quintairos, Prieto, Wood & Boyer, P.Aqpwblaw.com HQ: HQ not recorded; location: Jacksonville, FL, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Jacksonville, FL, United States | 1,001-5,000 | Exact match | 1,060 contacts → |
“Over the past 25 years, QPWB is one of the fastest-growing law firms in the US.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Kelley Drye & Warren LLPkelleydrye.com HQ: HQ not recorded; location: Los Angeles, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Los Angeles, CA, United States | 501-1,000 | Exact match | 686 contacts → |
“Kelley Drye is an AmLaw 200 law firm of more than 350 lawyers and other professionals practicing in New York, NY; Washington, D.C; Chicago, IL; Houston, TX, Los Angeles, CA; San…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Grayrobinson, P.Agray-robinson.com HQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Miami, FL, United States | 501-1,000 | Exact match | 673 contacts → |
“GrayRobinson is a multidimensional team of attorneys, advisors, and consultants recognized as one of the most influential firms in Florida.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Honigman LLPhonigman.com HQ: HQ not recorded; location: Kalamazoo, MI, United StatesReported employees: 501-1,000 | HQ not recorded; location: Kalamazoo, MI, United States | 501-1,000 | Exact match | 666 contacts → |
“Honigman LLP is an Am Law 200 full-service, general business law firm with more than 400 attorneys counseling clients on complex issues across the country in Chicago, Michigan…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Wiley Rein LLPwiley.law HQ: HQ not recorded; location: Washington, DC, United StatesReported employees: 501-1,000 | HQ not recorded; location: Washington, DC, United States | 501-1,000 | Exact match | 576 contacts → |
“Founded in 1983, Wiley is a dominant presence in the nation’s capital.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Munger, Tolles & Olson LLPmto.com HQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Francisco, CA, United States | 201-500 | Exact match | 528 contacts → |
“Munger, Tolles & Olson is a 200-lawyer firm based in Los Angeles with a national practice representing clients in a broad range of complex and high-profile matters.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gunstergunster.com HQ: HQ not recorded; location: Miami, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Miami, FL, United States | 501-1,000 | Exact match | 522 contacts → |
“Gunster, Florida’s law firm for leaders, provides full-service legal counsel to leading organizations and individuals from its 13 offices statewide.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | The United Firm LA Liga Defensora, APCunitedfirmlld.com HQ: HQ not recorded; location: Austin, TX, United StatesReported employees: 1,001-5,000 | HQ not recorded; location: Austin, TX, United States | 1,001-5,000 | Exact match | 511 contacts → |
“The United Firm | La Liga Defensora, A.P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Kelley Kronenbergkelleykronenberg.com HQ: HQ not recorded; location: Daytona Beach, FL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Daytona Beach, FL, United States | 501-1,000 | Exact match | 476 contacts → |
“Founded in 1980, Kelley Kronenberg is an award-winning, multi-practice national law firm with over 520 employees, more than 240 attorneys, and 19 locations throughout Florida and…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Dickie, Mccamey & Chilcotedmclaw.com HQ: HQ not recorded; location: Charlotte, NC, United StatesReported employees: 201-500 | HQ not recorded; location: Charlotte, NC, United States | 201-500 | Exact match | 406 contacts → |
“21 Offices | 11 States | 1 Firm Dickie, McCamey & Chilcote, P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Resnick & Louis, P.C.rlattorneys.com HQ: HQ not recorded; location: Irvine, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Irvine, CA, United States | 501-1,000 | Exact match | 338 contacts → |
“Resnick & Louis, P.C.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nossaman LLPnossaman.com HQ: HQ not recorded; location: Tucson, AZ, United StatesReported employees: 201-500 | HQ not recorded; location: Tucson, AZ, United States | 201-500 | Exact match | 332 contacts → |
“Nossaman LLP is a national law firm with attorneys and policy advisors located in 12 offices throughout the United States.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Richards, Layton & Fingerrlf.com HQ: HQ not recorded; location: Wilmington, DE, United StatesReported employees: 201-500 | HQ not recorded; location: Wilmington, DE, United States | 201-500 | Exact match | 317 contacts → |
“For over 125 years, Richards, Layton & Finger has been the go-to Delaware law firm for clients seeking top-notch counsel and representation.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mcnees Wallace & Nurickmcneeslaw.com HQ: HQ not recorded; location: Lancaster, PA, United StatesReported employees: 201-500 | HQ not recorded; location: Lancaster, PA, United States | 201-500 | Exact match | 315 contacts → |
“Since 1935, McNees Wallace & Nurick has been a trusted, client-focused law firm delivering practical, results-driven legal solutions to businesses, individuals, and organizations.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Schiff Hardin LLPafslaw.com HQ: HQ not recorded; location: Chicago, IL, United StatesReported employees: 501-1,000 | HQ not recorded; location: Chicago, IL, United States | 501-1,000 | Exact match | 297 contacts → |
“Schiff Hardin LLP is now ArentFox Schiff.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Maynard Nexsenmaynardnexsen.com HQ: HQ not recorded; location: Los Angeles, CA, United StatesReported employees: 501-1,000 | HQ not recorded; location: Los Angeles, CA, United States | 501-1,000 | Exact match | 294 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Manning Kassmanningkass.com HQ: HQ not recorded; location: San Francisco, CA, United StatesReported employees: 201-500 | HQ not recorded; location: San Francisco, CA, United States | 201-500 | Exact match | 287 contacts → |
“Founded in 1994 with just 16 attorneys and two practice areas, Manning Kass is today a top-tier full-service national law firm with more than 170 Attorneys, 8 offices, and 35…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Messerli Kramer, P.Amesserlikramer.com HQ: HQ not recorded; location: Minneapolis, MN, United StatesReported employees: 201-500 | HQ not recorded; location: Minneapolis, MN, United States | 201-500 | Exact match | 286 contacts → |
“WHO WE ARE At Messerli Kramer, we’ve spent 60 years building a reputation as a firm of “attorneys and advisors” – or, as we like to say, a place where the law isn’t always the…” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Margolis Edelsteinmargolisedelstein.com HQ: HQ not recorded; location: Wilimington, United StatesReported employees: 201-500 | HQ not recorded; location: Wilimington, United States | 201-500 | Exact match | 279 contacts → |
“Margolis Edelstein was founded in Philadelphia over 65 years ago.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Weinberg Wheeler Hudgins Gunn & Dialwwhgd.com HQ: HQ not recorded; location: Birmingham, AL, United StatesReported employees: 201-500 | HQ not recorded; location: Birmingham, AL, United States | 201-500 | Exact match | 263 contacts → |
“Fueled by the steadfast commitment of our loyal clients, WWHGD lawyers have dedicated themselves to a vision of creating a powerhouse national trial firm.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Swanson, Martin & Bell, LLPsmbtrials.com HQ: HQ not recorded; location: Edwardsville, IL, United StatesReported employees: 201-500 | HQ not recorded; location: Edwardsville, IL, United States | 201-500 | Exact match | 259 contacts → |
“Swanson, Martin & Bell, LLP was founded in 1992 by a group of trial lawyers who left a large Chicago firm to better serve the needs of their clients.” Recorded description excerpt · August 31, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,325 company matches
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Constitutional law firms: dataset insights
August 31, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
3,304 records in the displayed employee bands.
21 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: August 31, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Constitutional law firms by metro
- Constitutional law firms in New York152
- Constitutional law firms in Washington94
- Constitutional law firms in Los Angeles72
- Constitutional law firms in Chicago70
- Constitutional law firms in Houston63
- Constitutional law firms in Atlanta53
- Constitutional law firms in Denver45
- Constitutional law firms in Dallas42
Questions about this company list
What does Exact match mean for constitutional law firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many constitutional law firms did RevenueBase find based in the United States?
The saved snapshot records 3,325 matching company records, 52,680 tracked contacts and 27,172 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: August 31, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Constitutional law firms based in Germany
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Cite this list
RevenueBase Data Team. Top 25 constitutional law firms based in the United States. Snapshot: August 31, 2026. https://revenuebase.ai/companies/constitutional-law-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Constitutional law firms based in Brazil
- Constitutional law firms based in Spain
- Constitutional law firms based in Italy
- Constitutional law firms based in France
- Constitutional law firms based in Germany
- Constitutional law firms based in Mexico