Company lists · Data verified August 2026

Top 25 Epidemiology consulting firms based in the United States

Name: Epidemiology consulting firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 334 companies tracked

There are 334 epidemiology consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 5,237 professional contacts across them, including 2,620 with verified work emails and 2,160 with mobile numbers. Washington is the largest hub.

This list covers epidemiology consulting firms headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

334Companies

5,237Contacts tracked

2,620Verified emails

2,160Mobile numbers

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The 25 largest epidemiology consulting firms based in the United States

Ranked by team size

Top 25 of 334 epidemiology consulting firms based in the United States, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Analysis Group	Boston, MA	1,001-5,000	1,815	1,104
2	Western Ecosystems Technology, Inc. West	Albuquerque, NM	201-500	411	237
3	The Lewin Group	Falls Church, VA	201-500	228	126
4	Gradient	Charlottesville, VA	51-200	158	111
5	Council Of State And Territorial Epidemiologists	Atlanta, GA	51-200	124	71
6	Karna, LLC	Atlanta, GA	51-200	102	56
7	Econometrica, INC	Bethesda, MD	51-200	97	57
8	Neptune And Company, INC	Lakewood, CO	51-200	87	56
9	Inductivehealth	Atlanta, GA	51-200	83	52
10	BLH Technologies, INC	Rockville, MD	51-200	69	30
11	Sigma Health Consulting, LLC	Mclean, VA	51-200	62	40
12	Pentara Corporation	Millcreek, UT	51-200	60	40
13	Eagle Global Scientific	San Antonio, TX	51-200	58	3
14	Ica, INC	Arlington, VA	51-200	52	23
15	Ihrc, INC	Atlanta, GA	51-200	46	16
16	Market Decisions Research	Portland, ME	11-50	45	17
17	Synectics For Management Decisions, INC	Arlington, VA	51-200	44	13
18	Research & Planning Consultants, L.P RPC	Austin, TX	11-50	41	29
19	Apic Consulting Services	Crystal City, VA	11-50	37	1
20	Horiana	Berkeley	11-50	32	24
21	Boston Strategic Partners	Boston, MA	11-50	30	19
22	Lecroy & Milligan Associates	Tucson	11-50	29	17
23	Icon Government And Public Health Solutions	Blue Bell, PA	201-500	29	9
24	Employstats	Palo Alto, CA	11-50	26	17
25	RHP Risk Management INC	Elk Grove Village, IL	11-50	24	16

Showing 25 of 334 epidemiology consulting firms based in the United States

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Epidemiology consulting firms based in the United States at a glance

As of Aug 28, 2026

1-10Median size (employees)

WashingtonLargest hub · 14 HQs

2,160Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

218

11-50

51-200

201-500

1,001-5,000

5,001-10,000

Epidemiology consulting firms by metro

Metro	Companies
Epidemiology consulting firms in Washington	14
Epidemiology consulting firms in Atlanta	10
Epidemiology consulting firms in New York	10
Epidemiology consulting firms in Boston	10
Epidemiology consulting firms in Seattle	7
Epidemiology consulting firms in Los Angeles	6
Epidemiology consulting firms in Austin	5
Epidemiology consulting firms in Arlington	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “epidemiology consulting firms”, with match quality audited by blind human judging, and headquartered in the United States.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many epidemiology consulting firms are there based in the United States?

There are 334 epidemiology consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Analysis Group, headquartered in Boston, tops this list with the largest team on record.

Which city has the most epidemiology consulting firms?

Washington leads with 14 headquartered companies, followed by Atlanta (10) and New York (10).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,620 verified decision-maker contacts tracked across these 334 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.