Company lists · Data refreshed September 2026

Top 25 Government accountability organizations based in the United States

RevenueBase identified 116 company matches for government accountability organizations associated with the United States as of September 2026 and tracks 33,111 professional contacts across them, including 2,948 with verified work emails. Washington is the largest hub.

This list covers company matches for government accountability organizations 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 20, 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 20, 2026 How this list was built
116Companies
33,111Contacts tracked
2,948Verified emails
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The 25 largest government accountability organizations based in the United States

Ranked by team size
Top 25 of 116 company matches for government accountability organizations based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 20, 202611-5073 contacts →

Exact match

“Judicial Watch, Inc, a conservative, non-partisan educational foundation, promotes transparency, accountability and integrity in government, politics and the law.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5064 contacts →

Exact match

“Founded in 1981, the Project On Government Oversight (POGO) is an independent nonprofit that investigates and exposes corruption and other misconduct in order to achieve a more…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchSt. Paul, MN, United StatesHQ recorded Sep 20, 202651-20053 contacts →

Exact match

“The Office of the State Auditor serves the public by ensuring accountability and transparency in local government with independent and unbiased oversight.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchLanham, MD, United StatesHQ recorded Sep 20, 202651-20038 contacts →

Exact match

“Allmond & Company, LLC, a small business, is a certified public accounting firm with a Federal accounting and auditing practice and an outstanding reputation for quality and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“American Oversight is a nonpartisan, nonprofit watchdog that advances truth, accountability, and democracy by enforcing the public’s right to government records.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchSt. Paul, MN, United StatesHQ recorded Sep 20, 202651-20035 contacts →

Exact match

“At the Office of the Legislative Auditor (OLA), public policy researchers and auditors work to ensure and promote OLA's mission: to strengthen legislative oversight, improve…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“The BGA works for integrity, transparency, and accountability in government by exposing corruption and inefficiency; identifying and advocating effective public policy; and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchKansas City, MO, United StatesHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“McBride, Lock & Associates, LLC was formed in 1980.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202651-20016 contacts →

Exact match

“The mission of the Office of the Inspector General is to ensure integrity in the operations of the Chicago Public Schools by conducting meaningful, accurate and thorough…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Sep 20, 20261-1016 contacts →

Exact match

“The nonprofit and nonpartisan Association of Inspectors General (AIG) supports independent offices of inspector general in their fight to combat government waste, fraud and abuse.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Founded in 1995, TCS, a 501(c)(3) nonpartisan budget watchdog, serves as an independent voice for American taxpayers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchBurr Ridge, IL, United StatesHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Our mission is to report “Every dime.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“Our purpose (why we exist) is to provide independent and objective insight, oversight, and foresight in promoting integrity, efficiency, and overall effectiveness in government.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWashington, DC, United StatesHQ recorded Sep 20, 20261-1011 contacts →

Exact match

“Citizens Against Government Waste (CAGW) is a private, non-partisan, nonprofit organization representing more than one million members and supporters nationwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“Citizens need accurate and complete financial information to be informed participants in the government's financial decisions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchAustin, TX, United StatesHQ recorded Sep 20, 20261-109 contacts →

Exact match

“Common Cause Texas is proudly part of the national Common Cause grassroots network of more than 1 million powerful, fearless, ordinary Americans working together to build a more…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchBaltimore, MD, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Welcome to the website of the Maryland Office of Legislative Audits.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchPortland, OR, United StatesHQ recorded Sep 20, 202611-505 contacts →

Exact match

“Our mission is to promote accountable and equitable county government.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchChicago, IL, United StatesHQ recorded Sep 20, 20261-105 contacts →

Exact match

“Reform for Illinois, Formerly The Illinois Campaign for Political Reform, is a 501(c)3 non-partisan public interest group that conducts research and advocates reforms to promote…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchDenver, CO, United StatesHQ recorded Sep 20, 202651-2004 contacts →

Exact match

“Denver Auditor Timothy M.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchDenver, CO, United StatesHQ recorded Sep 20, 20261-103 contacts →

Exact match

“Providing government the tools for transparency, accountability and participation since 1998.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchTallahassee, FL, United StatesHQ recorded Sep 20, 20261-102 contacts →

Exact match

“Integrity Florida is a nonpartisan, nonprofit research institute and government watchdog whose mission is to promote integrity in government and expose public corruption.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchMonmouth, IL, United StatesHQ recorded Sep 20, 202611-501 contacts →

Exact match

“We specialize in governmental and nonprofit audits, delivering the clarity, accountability, and confidence that mission‑driven organizations deserve.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchSan Juan, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“El CIPP se fundó para ofrecer a los ciudadanos información y análisis que les permitan juzgar la eficacia de nuestros funcionarios electos y de las políticas públicas.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchSan Diego, CA, United StatesHQ recorded Sep 20, 20261-101 contacts →

Exact match

“A California nonprofit with a mission to investigate, expose, advocate and serve as a catalyst for reforming unaccountable government agencies”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 116 government accountability organizations based in the United States

See the full list, filter by size, metro and specialty, and access 2,948 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Government accountability organizations based in the United States at a glance

As of Sep 20, 2026
8.9%Verified-email coverage
285.4Average contacts per company
11-50Median size (employees)
26.7%Largest-city concentration · Washington
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
38
51-200
32
201-500
15
501-1,000
3
1,001-5,000
5
10001+
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 116 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 “government accountability organizations” 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 2,948 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 20, 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 “government accountability organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many government accountability organizations are there based in the United States?

RevenueBase identified 116 company matches for government accountability organizations 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?

Judicial Watch tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most government accountability organizations?

Washington leads with 31 company records, followed by Chicago (5) and Austin (4).

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 2,948 professional contacts with verified work emails tracked across these 116 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 20, 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.