Company lists · Data refreshed October 2026

Top 25 Contract research organization insurance brokers based in the United States

Name: Contract research organization insurance brokers based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 3,838 companies tracked

RevenueBase identified 3,838 company matches for contract research organization insurance brokers associated with the United States as of October 2026 and tracks 183,897 professional contacts across them, including 91,159 with verified work emails. New York is the largest hub.

This list covers company matches for contract research organization insurance brokers 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 October 10, 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 Oct 10, 2026 How this list was built

3,838Companies

183,897Contacts tracked

91,159Verified emails

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The 25 largest contract research organization insurance brokers based in the United States

Ranked by team size

Top 25 of 3,838 company matches for contract research organization insurance brokers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 10, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Parexel	Exact match	Raleigh, NC, United StatesHQ recorded Oct 10, 2026	10001+	19,864 contacts →
	Exact match “Parexel is a leading global clinical research organization (CRO) providing insights-driven Clinical and Consulting solutions to the world’s life sciences industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Lockton	Exact match	Dallas, TX, United StatesHQ recorded Oct 10, 2026	10001+	14,330 contacts →
	Exact match “What makes Lockton stand apart is also what makes us better: independence.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Fortrea	Exact match	Research Triangle Park, NC, United StatesHQ recorded Oct 10, 2026	10001+	10,915 contacts →
	Exact match “Fortrea (Nasdaq: FTRE) is a leading global clinical research organization (CRO) dedicated to providing innovative clinical development solutions to the life sciences industry.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	USI Insurance Services	Exact match	Valhalla, NY, United StatesHQ recorded Oct 10, 2026	10001+	10,601 contacts →
	Exact match “USI is one of the largest insurance brokerage and consulting firms in the world, delivering property and casualty, employee benefits, personal risk, program and retirement…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Alliant Insurance Services	Exact match	Irvine, CA, United StatesHQ recorded Oct 10, 2026	10001+	6,474 contacts →
	Exact match “Alliant Insurance Services is among the top 5 largest and fastest-growing insurance brokerage and consulting firms in the United States.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	Medpace	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 10, 2026	5,001-10,000	6,234 contacts →
	Exact match “Medpace is a scientifically-driven, global, full-service clinical contract research organization (CRO) providing Phase I-IV clinical development services to the biotechnology…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	Covance	Exact match	Princeton, NJ, United StatesHQ recorded Oct 10, 2026	10001+	5,059 contacts →
	Exact match “As the drug development business of Laboratory Corporation of America Holdings (Labcorp) and the world’s most comprehensive drug development #CRO service company, we have helped…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	Milliman	Exact match	Seattle, WA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	4,396 contacts →
	Exact match “Milliman is among the world’s largest independent actuarial and consulting firms.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Worldwide Clinical Trials	Exact match	Research Triangle Park, NC, United StatesHQ recorded Oct 10, 2026	1,001-5,000	3,794 contacts →
	Exact match “Worldwide Clinical Trials (Worldwide) is a global CRO serving development-driven biopharmaceutical companies, with more than 4,400 professionals operating across more than 70…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	GUY Carpenter	Exact match	New York, NY, United StatesHQ recorded Oct 10, 2026	1,001-5,000	3,643 contacts →
	Exact match “At Guy Carpenter, a Marsh business, we deliver a powerful combination of (re)insurance broking expertise, capital solutions, global analytics, advisory, and client support…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Selectquote Insurance Services	Exact match	Overland Park, KS, United StatesHQ recorded Oct 10, 2026	1,001-5,000	2,406 contacts →
	Exact match “We help you keep your promises by shopping many highly rated insurance companies to find you the right coverage at the right price.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Propharma	Exact match	Raleigh, NC, United StatesHQ recorded Oct 10, 2026	1,001-5,000	2,144 contacts →
	Exact match “At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Alera Group, INC	Exact match	Deerfield, IL, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,910 contacts →
	Exact match “Alera Group is a growing leader, reimagining the complex risk management, insurance and financial services delivery experience through intentional collaboration connecting clients…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Risk Strategies Company	Exact match	Boston, MA, United StatesHQ recorded Oct 10, 2026	5,001-10,000	1,635 contacts →
	Exact match “At Risk Strategies, part of the Brown & Brown team, we help our clients protect those things that matter most to them.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	CYTEL	Exact match	Cambridge, MA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,574 contacts →
	Exact match “Cytel is the world’s leading data-science CRO, driving advancements in human health through robust analytics and innovative clinical trial software.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Clinchoice	Exact match	Horsham, PA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,572 contacts →
	Exact match “ClinChoice is a leading global full & functional service CRO, renowned for its exceptional product development and lifecycle management capabilities across the pharmaceutical…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	NAMSA	Exact match	Toledo, OH, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,313 contacts →
	Exact match “Helping medical device Sponsors improve healthcare since 1967, NAMSA is the world’s leading MedTech Contract Research Organization (CRO) offering global end-to-end development…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Hylant	Exact match	Toledo, OH, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,287 contacts →
	Exact match “A multi-year winner of Best Places to Work in Insurance (2009-2025), Hylant is a full-service insurance brokerage with offices in Florida, Georgia, Illinois, Indiana, Michigan…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	Acrisure	Exact match	Canoga Park, CA, United StatesHQ recorded Oct 10, 2026	n/a	1,188 contacts →
	Exact match “Founded in 1972, Allen Lawrence & Associates, LLC.(AL & A) has the distinct advantage of active participation by its principals.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
20	Holmes Murphy	Exact match	Waukee, IA, United StatesHQ recorded Oct 10, 2026	501-1,000	1,187 contacts →
	Exact match “Independence isn’t just our structure, it’s our mindset.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
21	Ryan Specialty	Exact match	Chicago, IL, United StatesHQ recorded Oct 10, 2026	5,001-10,000	1,168 contacts →
	Exact match “Ryan Specialty (NYSE: RYAN) is an international specialty insurance firm that provides distribution, underwriting, product development, administration and risk management services…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
22	Celerion	Exact match	Lincoln, NE, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,151 contacts →
	Exact match “Celerion, a leader in early clinical research, delivers Applied Translational Medicine.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
23	Navitas Life Sciences	Exact match	Gaithersburg, MD, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,001 contacts →
	Exact match “Navitas Life Sciences is a global Clinical Research partner with over 35 years of expertise in Clinical, Regulatory, Safety, and Data Management solutions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
24	Hilb Group	Exact match	Richmond, VA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	993 contacts →
	Exact match “It's Personal.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
25	Cottingham & Butler	Exact match	Dubuque, IA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	974 contacts →
	Exact match “Cottingham & Butler is the 3rd largest privately and independently held insurance broker in the U.S.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “contract research organization insurance brokers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 3,838 contract research organization insurance brokers based in the United States

See the full list, filter by size, metro and specialty, and access 91,159 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contract research organization insurance brokers based in the United States at a glance

As of Oct 10, 2026

49.6%Verified-email coverage

47.9Average contacts per company

11-50Median size (employees)

3.4%Largest-city concentration · New York

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

1,896

11-50

1,195

51-200

392

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

154

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 3,838 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 “contract research organization insurance brokers” 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 91,159 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 October 10, 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.

Contract research organization insurance brokers by metro

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 “contract research organization insurance brokers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contract research organization insurance brokers are there based in the United States?

RevenueBase identified 3,838 company matches for contract research organization insurance brokers associated with the United States as of October 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?

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

Which city has the most contract research organization insurance brokers?

New York leads with 129 company records, followed by Rolling Meadows (119) and San Diego (54).

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 91,159 professional contacts with verified work emails tracked across these 3,838 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 October 10, 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.