Company lists · Data refreshed October 2026

Top 19 Contract research organizations biotechnology companies based in Waltham, United States

Name: Contract research organizations biotechnology companies based in Waltham, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 10, 2026 32 companies tracked

RevenueBase identified 32 company matches for contract research organizations biotechnology companies associated with Waltham, United States as of October 2026 and tracks 82,705 professional contacts across them, including 44,155 with verified work emails. Across the United States, San Diego is the largest hub for this category (175 companies); Waltham has 32.

This list covers company matches for contract research organizations biotechnology companies associated with Waltham, 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

32Companies

82,705Contacts tracked

44,155Verified emails

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The 19 largest contract research organizations biotechnology companies based in Waltham, United States

Ranked by team size

Top 19 of 32 company matches for contract research organizations biotechnology companies based in Waltham, 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	Thermo Fisher Scientific	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	10001+	73,889 contacts →
	Exact match “About Thermo Fisher Scientific Thermo Fisher Scientific Inc.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
2	Revvity	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	10001+	3,071 contacts →
	Exact match “At Revvity, “impossible” is inspiration, and ""can't be done"" is a call to action.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
3	Patheon	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	10001+	2,041 contacts →
	Exact match “Thermo Fisher Scientific provides industry-leading pharma services for drug development, clinical trial logistics, and commercial manufacturing through our Patheon™ brand.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
4	Trinity Life Sciences	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	1,001-5,000	1,636 contacts →
	Exact match “Trinity is the commercialization intelligence partner for life sciences.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
5	Elevatebio	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	201-500	428 contacts →
	Exact match “ElevateBio is a technology-driven advanced therapy contract development and manufacturing organization (CDMO) powering the creation of life-transforming therapies.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
6	SOBI	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	201-500	335 contacts →
	Exact match “Sobi is an international specialty healthcare company dedicated to developing treatments and extensive patient support networks for people with rare and difficult to treat…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
7	X-Chem, INC	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	201-500	147 contacts →
	Exact match “X-Chem is your preferred partner for innovative small molecule discovery.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
8	LLX Solutions LLC	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	51-200	80 contacts →
	Exact match “LLX Solutions is now a part of Quantive Intelligence (QI), a Decision Sciences platform providing specialized biometrics expertise across biostatistics, statistical programming…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
9	Openclinica	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	51-200	74 contacts →
	Exact match “OpenClinica accelerates clinical trials by automating data acquisition through its software-as-a-service platform.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
10	Phase Forward	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	501-1,000	57 contacts →
	Exact match “Phase Forward is a leading provider of integrated data collection and data management solutions for clinical trials and drug safety.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
11	Orionis Biosciences	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	11-50	55 contacts →
	Exact match “Orionis Biosciences is a life sciences company pioneering technological innovation in genome-scale drug discovery and tunable molecular design of novel therapeutic drug modalities.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
12	Biomodels	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	11-50	23 contacts →
	Exact match “BioModels is an accredited preclinical contract research organization that develops and executes predictive and highly translational efficacy studies for biotechnology and…” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
13	Conjugate Group	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	51-200	23 contacts →
	Exact match “The Conjugate Group provides flexible drug development and manufacturing services and resources to the pharmaceutical and medical device industries.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
14	Vastrax	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	11-50	18 contacts →
	Exact match “Vastrax is a global full-service CRO exclusively supporting neuro innovation.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
15	Danforth Advisors	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	51-200	13 contacts →
	Exact match “Danforth Advisors is the life science industry’s trusted partner for outsourced corporate and clinical functions.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
16	Clin OPS Solutions, LLC	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	1-10	4 contacts →
	Exact match “Clinical trial success depends on having the right people, expertise, and operational support at every stage of development.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
17	Asischem	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	11-50	4 contacts →
	Exact match “AsisChem is the only US company that leverages expert chemistry teams in St.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
18	Accellient Partners, LLC	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	1-10	3 contacts →
	Exact match “Accellient Partners is a fully integrated and dedicated team of drug development experts with broad drug development, regulatory and scientific experience.” Recorded in the RevenueBase company graph · Oct 10, 2026 · View company records in RevenueBase
19	bioburst.io	Exact match	Waltham, MA, United StatesHQ recorded Oct 10, 2026	1-10	2 contacts →
	Exact match “Where science is done” 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 organizations biotechnology companies”. 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 19 of 32 contract research organizations biotechnology companies based in Waltham, United States

See the full list, filter by size, metro and specialty, and access 44,155 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contract research organizations biotechnology companies based in Waltham, United States at a glance

As of Oct 10, 2026

53.4%Verified-email coverage

2584.5Average contacts per company

11-50Median size (employees)

Oct 10, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

10001+

Email recency for this list is measured across the whole United States list rather than for Waltham, so it is reported there. Company counts and contact totals on this page are exact for Waltham, over 32 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 Waltham, United States whose business descriptions match “contract research organizations biotechnology companies” 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 44,155 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 organizations biotechnology companies by metro in the United States

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 organizations biotechnology companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contract research organizations biotechnology companies are there based in Waltham, United States?

RevenueBase identified 32 company matches for contract research organizations biotechnology companies associated with Waltham, 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?

Thermo Fisher Scientific 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 contract research organizations biotechnology companies?

San Diego leads the United States with 175 company records, followed by Boston (115) and New York (103). Waltham has 32.

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 44,155 professional contacts with verified work emails tracked across these 32 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.