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Company lists · Data verified August 2026

Top 25 Defense organizational consulting firms based in the United States

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 26,605 companies tracked

There are 26,605 defense organizational consulting firms headquartered in the United States (RevenueBase, August 2026). RevenueBase tracks 238,630 professional contacts across them, including 78,699 with verified work emails and 95,948 with mobile numbers. New York is the largest hub.

This list covers defense organizational 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.

26,605Companies
238,630Contacts tracked
78,699Verified emails
95,948Mobile numbers
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The 25 largest defense organizational consulting firms based in the United States

Ranked by team size
Top 25 of 26,605 defense organizational 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.
#CompanyHQEmployeesContactsVerified emails
1StrategyNew York, NY1,001-5,0005,1352,060
2L.E.K. ConsultingAtlanta, GA1,001-5,0004,0592,133
3Heidrick & StrugglesChicago, IL1,001-5,0003,3631,552
4Spencer StuartNew York, NY1,001-5,0002,9031,754
5BaringaNew York, NY1,001-5,0002,1981,548
6Systems Planning & AnalysisAlexandria, VA1,001-5,0002,08267
7J.S. Held LLCJericho, NY1,001-5,0001,9241,383
8AlliantgroupHouston, TX1,001-5,0001,599851
9TaskforceKnoxville, TN1,001-5,0001,448881
10Magellan FederalSan Antonio, TX1,001-5,0001,306324
11ArdurraFlagstaff, AZ1,001-5,0001,248892
12SEGALNew York, NY1,001-5,0001,148660
13Odyssey SystemsWakefield, MA1,001-5,000898571
14Lucas GroupLos Angeles, CA10001+76519
15Planned Systems InternationalValparaiso, FL1,001-5,000608316
16SolomonedwardsWayne, PA1,001-5,000566179
17Knowledge ServicesPhoenix, AZ1,001-5,000465155
18Mindpoint Group, A Tyto Athene CompanyReston, VA1,001-5,0002087
19Project ONEReading, MA1,001-5,0001423
20Government Services GroupNationwide1,001-5,0001214
21Veracity By RGPPrinceton, NJ1,001-5,00011167
22NasscommAtlanta, GA1,001-5,0006815
23The Meruelo GroupSanta Fe Springs, CA1,001-5,0004722
24WGA Consulting, LLCTorrance, CA1,001-5,0004015
25DST Research, Analytics, And ConsultingNew York, NYn/a171

Showing 25 of 26,605 defense organizational consulting firms based in the United States

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Defense organizational consulting firms based in the United States at a glance

As of Aug 28, 2026
1-10Median size (employees)
New YorkLargest hub · 1050 HQs
95,948Contacts with mobile numbers
130Emails re-verified in last 30 days

Companies by employee count

1-10
20,800
11-50
4,280
51-200
1,132
201-500
235
501-1,000
51
1,001-5,000
52
10001+
12

Defense organizational consulting firms by metro

MetroCompanies
Defense organizational consulting firms in New York1050
Defense organizational consulting firms in Washington893
Defense organizational consulting firms in Atlanta667
Defense organizational consulting firms in Chicago607
Defense organizational consulting firms in Houston497
Defense organizational consulting firms in Los Angeles469
Defense organizational consulting firms in Dallas359

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 “defense organizational 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; 130 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 defense organizational consulting firms are there based in the United States?

There are 26,605 defense organizational consulting firms headquartered in the United States as of August 2026 (RevenueBase).

What is the largest company on this list?

Strategy, headquartered in New York, tops this list with the largest team on record.

Which city has the most defense organizational consulting firms?

New York leads with 1050 headquartered companies, followed by Washington (893) and Atlanta (667).

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 78,699 verified decision-maker contacts tracked across these 26,605 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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Related lists

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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.

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