Company lists · Data refreshed November 2026

Top 13 Certification organizations based in Washington, United States

RevenueBase identified 51 company matches for certification organizations associated with Washington, United States as of November 2026 and tracks 938 professional contacts across them, including 248 with verified work emails. Across the United States, New York is the largest hub for this category (90 companies); Washington follows with 51.

This list covers company matches for certification organizations associated with Washington, 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 November 6, 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 Nov 6, 2026 How this list was built
51Companies
938Contacts tracked
248Verified emails
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The 13 largest certification organizations based in Washington, United States

Ranked by team size
Top 13 of 51 company matches for certification organizations based in Washington, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 202610001+357 contacts →

Exact match

“Since 1909, American Red Cross Training Services has provided best-in-class safety training and certification that puts your needs first.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026n/a159 contacts →

Exact match

“The premier organization independently recognizing excellence in green business industry performance and practice globally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWashington, DC, United StatesHQ recorded Nov 6, 2026201-50089 contacts →

Exact match

“ACI Federal™ is an award-winning ISO/IEC 27001 (InfoSec), ISO 9001(QMS) Certified, focused on National Security and Cyber Security Initiatives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“The Certification Commission for Healthcare Interpreters (CCHI) empowers professional healthcare interpreters in all languages to excel in their profession by earning…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Founded in 1974, the Accrediting Council for Continuing Education & Training (ACCET) has been continuously recognized by the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“The mission of the Certified Franchise Executive (CFE) program is to certify and educate individuals & organizations to the highest standards.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-508 contacts →

Exact match

“American Board of Wound Management … Standard of Excellence in Multidisciplinary Wound Certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

“The AABC Commissioning Group (ACG) is a non-profit association dedicated to advancing the commissioning industry through independent third-party professionals.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“National Performance Specialists is a certification agency that provides in-depth competency evaluations for the purpose of bettering the healthcare community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-106 contacts →

Exact match

“CertiPUR-US® is a certification program administered by a nonprofit organization.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Simple but powerful tools, for associations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“At AABC, we set the gold standard for Total System Balance in building environments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWashington, DC, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Obtaining the right business certifications for your enterprise is crucial to gaining access to both government and corporate contracts.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 13 of 51 certification organizations based in Washington, United States

See the full list, filter by size, metro and specialty, and access 248 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Certification organizations based in Washington, United States at a glance

As of Nov 6, 2026
26.4%Verified-email coverage
18.4Average contacts per company
1-10Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
30
11-50
13
51-200
2
201-500
3
1,001-5,000
1
10001+
2

Email recency for this list is measured across the whole United States list rather than for Washington, so it is reported there. Company counts and contact totals on this page are exact for Washington, over 51 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 Washington, United States whose business descriptions match “certification 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 248 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 November 6, 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 “certification organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many certification organizations are there based in Washington, United States?

RevenueBase identified 51 company matches for certification organizations associated with Washington, United States as of November 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?

American RED Cross Training Services 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 certification organizations?

New York leads the United States with 90 company records, followed by Washington (51) and Miami (49).

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 248 professional contacts with verified work emails tracked across these 51 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 November 6, 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.