Company lists · Data refreshed September 2026

Top 25 Drug development staffing firms based in San Diego, United States

Name: Drug development staffing firms based in San Diego, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 135 companies tracked

RevenueBase identified 135 company matches for drug development staffing firms associated with San Diego, United States as of September 2026 and tracks 2,710 professional contacts across them, including 1,056 with verified work emails. Across the United States, New York is the largest hub for this category (244 companies); San Diego has 135.

This list covers company matches for drug development staffing firms associated with San Diego, 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 September 28, 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 Sep 28, 2026 How this list was built

135Companies

2,710Contacts tracked

1,056Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest drug development staffing firms based in San Diego, United States

Ranked by team size

Top 25 of 135 company matches for drug development staffing firms based in San Diego, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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	Abzena	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	456 contacts →
	Exact match “Abzena is the leading end-to-end bioconjugate, ADC, and complex biologics CDMO + CRO.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Crown Bioscience	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	441 contacts →
	Exact match “Crown Bioscience, a JSR Life Sciences company, is a global contract research organization (CRO) providing discovery, preclinical, and translational platforms to advance oncology…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Medical Professionals	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	314 contacts →
	Exact match “Our fundamental mission here at Medical Professionals is to promote HAPPY and HEALTHY lives – for you, for your team and our team, for the healthcare candidates we recruit, for…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	R&d Partners	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	137 contacts →
	Exact match “At R&D Partners, part of Acacium Group, we connect skilled life sciences professionals with world leading innovators.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Sequoia Biotech Consulting	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	201-500	101 contacts →
	Exact match “In September 2024, Sequoia Biotech Consulting merged with Syner-G and officially rebranded as Syner-G in 2025.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Tristaff Group Of Companies, Division Of Amtec	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	95 contacts →
	Exact match “TriStaff Group of Companies is a premier Full Service Staffing and Executive Search firm headquartered in San Diego, California.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Therapeutics INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	79 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Chemdiv, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	57 contacts →
	Exact match “ChemDiv, a fully Integrated Target-to-Market Contract Research Organization (CRO) headquartered in San Diego, CA USA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Vanguard Clinical, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	56 contacts →
	Exact match “Healthcare is about people.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	ALL MED Search	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	46 contacts →
	Exact match “For more information please also visit this page: Put our 30 years of healthcare recruiting expertise to the test.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Astrya Global Medical Staffing	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	201-500	45 contacts →
	Exact match “Astrya Medical Staffing is a San Diego-based medical staffing agency that empowers healthcare professionals by connecting them with tailored opportunities that align with their…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Talentzök	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	38 contacts →
	Exact match “The TalentZök family of companies, including Simply Biotech and Defense Search, are a premium specialized staffing group recognized by Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Qualstaff Resources	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	501-1,000	31 contacts →
	Exact match “Where Quality and Staffing Meet Located in the heart of San Diego’s Life Sciences and Hi-Tech hub of Sorrento Valley, QualStaff Resources is an established professional recruiting…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Brio Group	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	31 contacts →
	Exact match “Hire Possibilities" Brio Resource Group - Your biopharmaceutical recruiting experts - is transforming the way today's most sought after "A" Talent is introduced and placed in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Pharmatek	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	201-500	31 contacts →
	Exact match “Pharmatek Laboratories, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Simply Biotech	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	31 contacts →
	Exact match “Simply Biotech is a recruiting firm dedicated to the biotech industry in San Diego.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Unitriteam	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	27 contacts →
	Exact match “UniTriTeam is a small, woman-owned boutique technology services and staff augmentation business that started because our founders had a passion for empowering women in the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Pharmapace, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	OEP Innovations INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	51-200	21 contacts →
	Exact match “Orient Pharma (OP), focusing on R&D and manufacturing and established on Feb 1, 2008, is the subsidiary of Orient Europharma(OEP).” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Enqubio INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	20 contacts →
	Exact match “EnquBio is a wholly owned and operated drug development CRO out of San Diego, CA.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Atheln, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	18 contacts →
	Exact match “Atheln helps clients create and execute integrated pharma and biotech product development and commercialization strategies.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Caliber Associates	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	1-10	16 contacts →
	Exact match “Caliber Associates is a retained executive search firm exclusively serving the life sciences sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	M&b Sciences, INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “M&B Sciences, Inc, is a minority owned, tech focused life science research firm that is an industry leader in recruiting patients for global clinical trials, market research and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Somatek INC	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “At Somatek, we provide consulting for the development of manufacturing processes for next generation biopharmaceuticals.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Acculab Life Sciences	Exact match	San Diego, CA, United StatesHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “Acculab is a rapidly growing, OLAW-assured, preclinical CRO in the San Diego area, designed to assist you with every step along the R&D in vivo journey.” Recorded in the RevenueBase company graph · Sep 28, 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 “drug development staffing firms”. 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 135 drug development staffing firms based in San Diego, United States

See the full list, filter by size, metro and specialty, and access 1,056 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Drug development staffing firms based in San Diego, United States at a glance

As of Sep 28, 2026

39.0%Verified-email coverage

20.1Average contacts per company

1-10Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 135 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 San Diego, United States whose business descriptions match “drug development staffing firms” 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 1,056 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 September 28, 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.

Drug development staffing firms 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 “drug development staffing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many drug development staffing firms are there based in San Diego, United States?

RevenueBase identified 135 company matches for drug development staffing firms associated with San Diego, United States as of September 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?

Abzena 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 drug development staffing firms?

New York leads the United States with 244 company records, followed by Boston (138) and San Diego (135).

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 1,056 professional contacts with verified work emails tracked across these 135 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 135 drug development staffing firms based in San Diego, United States. Start with a free account, no credit card.

Download this list →

Related lists

Drug development staffing firms by geography

Browse the directory

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.