Company lists · Data refreshed September 2026

Top 25 State government relations firms based in the United States

RevenueBase identified 1,381 company matches for state government relations firms associated with the United States as of September 2026 and tracks 10,439 professional contacts across them, including 4,835 with verified work emails. Washington is the largest hub.

This list covers company matches for state government relations 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 September 22, 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 22, 2026 How this list was built
1,381Companies
10,439Contacts tracked
4,835Verified emails
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The 25 largest state government relations firms based in the United States

Ranked by team size
Top 25 of 1,381 company matches for state government relations firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 22, 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 matchWashington, DC, United StatesHQ recorded Sep 22, 202651-200411 contacts →

Exact match

“DDC Public Affairs builds communities of advocates that impact policy and win campaigns.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 22, 2026201-500255 contacts →

Exact match

“Cornerstone Government Affairs is a full-service, bipartisan, employee-owned firm specializing in government relations and lobbying, public affairs, strategic communications, and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-200243 contacts →

Exact match

“The Services You Need BGR Group offers an integrated suite of bipartisan lobbying, strategic communications and advocacy solutions that help meet challenges in a risky…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
4Exact matchAlexandria, VA, United StatesHQ recorded Sep 22, 2026n/a200 contacts →

Exact match

“The State Government Affairs Council (SGAC) is the premier national association for multi-state government affairs professionals of major U.S.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
5Exact matchRichmond, VA, United StatesHQ recorded Sep 22, 202651-200127 contacts →

Exact match

“What people say and do in government can have a profound impact on your organization.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
6Exact matchArlington, VA, United StatesHQ recorded Sep 22, 202651-200104 contacts →

Exact match

“MultiState is a full-service state and local government relations company.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
7Exact matchArlington, VA, United StatesHQ recorded Sep 22, 202651-200102 contacts →

Exact match

“Stateside Associates is the largest state and local government affairs firm.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-200101 contacts →

Exact match

“Powers Pyles Sutter & Verville PC is a Washington, DC-based law firm that began with a strong focus on healthcare law and healthcare policy and has gradually expanded capabilities…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-20097 contacts →

Exact match

“Monument Advocacy is a bipartisan firm that offers government relations, public affairs, strategic and crisis communications, and digital services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
10Exact matchRochester, PA, United StatesHQ recorded Sep 22, 202651-20096 contacts →

Exact match

“Justice Works Youth Care is a Government Relations company located in 615 Virginia Ave, Rochester, Pennsylvania, United States.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202611-5088 contacts →

Exact match

“Kasirer is NYC's #1 lobbying firm, navigating government on behalf of private sector & nonprofit clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5084 contacts →

Exact match

“Founded in 1982, The Ferguson Group has a proud record of success advocating on behalf of local communities.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-20082 contacts →

Exact match

“For more than 30 years, Van Scoyoc Associates (VSA) has been developing and executing tailored government affairs strategies for its clients.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-20079 contacts →

Exact match

“At Cassidy and Associates, we make Washington work for you.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
15Exact matchEaston, PA, United StatesHQ recorded Sep 22, 202651-20077 contacts →

Exact match

“Florio Perrucci Steinhardt Cappelli & Tipton LLC was founded on the belief that business objectives can only be achieved by combining strategic and aggressive legal advocacy with…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
16Exact matchTallahassee, FL, United StatesHQ recorded Sep 22, 202651-20072 contacts →

Exact match

“Every day across Florida, throughout our network of 60+ lobbyists, we are navigating Tallahassee, advancing interests, amplifying voices, influencing decision makers, cutting…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
17Exact matchJefferson City, MO, United StatesHQ recorded Sep 22, 202651-20071 contacts →

Exact match

“HBS creates an encouraging public landscape through its integrated services of state and federal lobbying, leadership strategies, and public affairs”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
18Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202651-20069 contacts →

Exact match

“Established in 2010, Thorn Run Partners is a leading Washington, DC-based government affairs firm whose members are Capitol Hill veterans with over a century’s experience in…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
19Exact matchIndianapolis, IN, United StatesHQ recorded Sep 22, 202611-5066 contacts →

Exact match

“Bose Public Affairs Group successfully advocates for our clients’ legislative, regulatory, procurement, political and communication interests with offices in Indianapolis and…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
20Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5063 contacts →

Exact match

“Capitol Counsel, LLC is a full service government relations firm providing political analysis, strategic advice and advocacy services.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
21Exact matchNew York, NY, United StatesHQ recorded Sep 22, 202611-5062 contacts →

Exact match

“Founded and led by Scott Levenson since 1990, TAG is a diverse team working together to deliver results.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
22Exact matchSacramento, CA, United StatesHQ recorded Sep 22, 202611-5060 contacts →

Exact match

“CALIFORNIA STRATEGIES, LLC is a full-service public affairs consulting firm dedicated to successfully navigating clients through the myriad pathways of California's political…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
23Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5060 contacts →

Exact match

“McDermott+ serves health industry clients with one-stop lobbying services, data analytics and modeling and policy advice.”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
24Exact matchSan Rafael, CA, United StatesHQ recorded Sep 22, 202611-5057 contacts →

Exact match

“Nielsen Merksamer is one of the preeminent political and government law and lobbying firms in the country, serving a national clientele that includes leading businesses…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase
25Exact matchWashington, DC, United StatesHQ recorded Sep 22, 202611-5055 contacts →

Exact match

“At Beekeeper Group we believe in empowering people to advocate for impact by connecting them with stakeholders that are ready to take action so that our clients can achieve their…”

Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase

Showing 25 of 1,381 state government relations firms based in the United States

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State government relations firms based in the United States at a glance

As of Sep 22, 2026
46.3%Verified-email coverage
7.6Average contacts per company
1-10Median size (employees)
22.4%Largest-city concentration · Washington
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
1,142
11-50
196
51-200
36
201-500
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,381 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 the United States whose business descriptions match “state government relations 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 4,835 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 22, 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.

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 “state government relations firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many state government relations firms are there based in the United States?

RevenueBase identified 1,381 company matches for state government relations firms associated with the 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?

DDC Public Affairs tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most state government relations firms?

Washington leads with 309 company records, followed by Sacramento (72) and Austin (57).

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 4,835 professional contacts with verified work emails tracked across these 1,381 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 22, 2026.

Ready to reach these companies? Verified emails and direct dials for all 1,381 state government relations firms based in the United States. Start with a free account, no credit card.

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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.