Company lists · Data refreshed October 2026
Top 25 Clinical trial quality assurance firms based in the United States
RevenueBase identified 1,145 company matches for clinical trial quality assurance firms associated with the United States as of October 2026 and tracks 30,121 professional contacts across them, including 9,685 with verified work emails. San Diego is the largest hub.
This list covers company matches for clinical trial quality assurance firms 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 9, 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.
The 25 largest clinical trial quality assurance firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,768 contacts → | ||||
Exact match “PRA is now an ICON plc company.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 2 | 1,179 contacts → | ||||
Exact match “WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 3 | 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 9, 2026 · View company records in RevenueBase | |||||
| 4 | 927 contacts → | ||||
Exact match “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 5 | 884 contacts → | ||||
Exact match “CenExel is a leading integrated, wholly owned, nationwide clinical research site network comprised of 18 Centers of Excellence in major metropolitan areas across the U.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 6 | 627 contacts → | ||||
Exact match “Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 7 | 615 contacts → | ||||
Exact match “QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 8 | 528 contacts → | ||||
Exact match “THIS PAGE IS NOT MONITORED.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 9 | 440 contacts → | ||||
Exact match “iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 10 | 393 contacts → | ||||
Exact match “Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 11 | 391 contacts → | ||||
Exact match “Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 12 | 383 contacts → | ||||
Exact match “Sitero is a next-generation, site-focused clinical research organization (CRO) for life sciences and institutional research organizations that helps get treatments to market safer…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 13 | 342 contacts → | ||||
Exact match “Flourish Research is a fully integrated, multi-site clinical trial network serving sponsors and CROs across North America.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 14 | 299 contacts → | ||||
Exact match “Techsol Life Sciences is an integrated clinical development, medical affairs and post-marketing surveillance business solutions provider to global biopharmaceutical, medical…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 15 | 247 contacts → | ||||
Exact match “Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 16 | 229 contacts → | ||||
Exact match “Canopy provides Clinical to Commercial services to 300+ Biotechnology, Pharmaceutical and Medical Device Companies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 17 | 229 contacts → | ||||
Exact match “Our mission: To accelerate the availability of new, life-changing therapies for patients by partnering with global pharmaceutical companies to improve the quality and execution of…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 18 | 229 contacts → | ||||
Exact match “Since 2005, KlinEra has partnered with some of the largest pharmaceutical, biotech and device companies, providing innovative and customized clinical trial and research services.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 19 | 226 contacts → | ||||
Exact match “MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 20 | 210 contacts → | ||||
Exact match “PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 21 | 208 contacts → | ||||
Exact match “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 22 | 205 contacts → | ||||
Exact match “Biorasi is a global clinical research organization (CRO) that delivers speed-to-market strategies for small to midsized biotech and biopharma sponsors.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 23 | 183 contacts → | ||||
Exact match “Dr.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 24 | 181 contacts → | ||||
Exact match “Frontier Science is an independent not-for-profit organization with proven expertise in the design, conduct, analysis, and reporting of clinical trials and observational studies.” Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase | |||||
| 25 | 179 contacts → | ||||
Exact match “Theradex Oncology, your full-service CRO for all indications and modalities.” Recorded in the RevenueBase company graph · Oct 9, 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 “clinical trial quality assurance 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 1,145 clinical trial quality assurance firms based in the United States
See the full list, filter by size, metro and specialty, and access 9,685 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Clinical trial quality assurance firms based in the United States at a glance
As of Oct 9, 2026Companies by employee count
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 1,145 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 “clinical trial quality assurance 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 9,685 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 9, 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.
Clinical trial quality assurance firms 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 “clinical trial quality assurance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many clinical trial quality assurance firms are there based in the United States?
RevenueBase identified 1,145 company matches for clinical trial quality assurance firms 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?
PRA Health Sciences tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most clinical trial quality assurance firms?
San Diego leads with 30 company records, followed by Miami (29) and Boston (22).
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 9,685 professional contacts with verified work emails tracked across these 1,145 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 9, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,145 clinical trial quality assurance firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Clinical trial quality assurance firms by geography
- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States
- Clinical trial quality assurance firms based in Australia
- Clinical trial quality assurance firms based in Belgium
- Clinical trial quality assurance firms based in Brazil
- Clinical trial quality assurance firms based in Canada
- Clinical trial quality assurance firms based in France
- Clinical trial quality assurance firms based in Germany
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States
Company intelligence · public preview
Top 25 clinical trial quality assurance firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,145 matching company records for clinical trial quality assurance firms based in the United States, with 30,121 tracked contacts and 9,685 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clinical trial quality assurance firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  PRA Health Sciencesinvestor.iconplc.comHQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 4,768 contacts → |
“PRA is now an ICON plc company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  WCGwcgclinical.comHQ: Cary, NC, United StatesReported employees: 1,001-5,000 | Cary, NC, United States | 1,001-5,000 | Exact match | 1,179 contacts → |
“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Navitas Life Sciencesnavitaslifesciences.comHQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 1,001 contacts → |
“Navitas Life Sciences is a global Clinical Research partner with over 35 years of expertise in Clinical, Regulatory, Safety, and Data Management solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Bioagilytixbioagilytix.comHQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 927 contacts → |
“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Cenexelcenexel.comHQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 884 contacts → |
“CenExel is a leading integrated, wholly owned, nationwide clinical research site network comprised of 18 Centers of Excellence in major metropolitan areas across the U.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Endpoint Clinicalendpointclinical.comHQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 627 contacts → |
“Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  QPS Holdings, LLCqps.comHQ: Newark, DE, United StatesReported employees: 1,001-5,000 | Newark, DE, United States | 1,001-5,000 | Exact match | 615 contacts → |
“QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Chilternfortrea.comHQ: Durham, NC, United StatesReported employees: 10001+ | Durham, NC, United States | 10001+ | Exact match | 528 contacts → |
“THIS PAGE IS NOT MONITORED.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  ILABilabquality.comHQ: Indianapolis, IN, United StatesReported employees: 501-1,000 | Indianapolis, IN, United States | 501-1,000 | Exact match | 440 contacts → |
“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Quality Professionals Q-Prosq-pros.comHQ: TX, United StatesReported employees: 501-1,000 | TX, United States | 501-1,000 | Exact match | 393 contacts → |
“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tescomtescomus.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 391 contacts → |
“Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Siterositero.comHQ: Coral Gables, FL, United StatesReported employees: 501-1,000 | Coral Gables, FL, United States | 501-1,000 | Exact match | 383 contacts → |
“Sitero is a next-generation, site-focused clinical research organization (CRO) for life sciences and institutional research organizations that helps get treatments to market safer…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Flourish Researchflourishresearch.comHQ: Apex, NC, United StatesReported employees: 501-1,000 | Apex, NC, United States | 501-1,000 | Exact match | 342 contacts → |
“Flourish Research is a fully integrated, multi-site clinical trial network serving sponsors and CROs across North America.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Techsol Life Sciencestechsollifesciences.comHQ: Princeton, NJ, United StatesReported employees: 201-500 | Princeton, NJ, United States | 201-500 | Exact match | 299 contacts → |
“Techsol Life Sciences is an integrated clinical development, medical affairs and post-marketing surveillance business solutions provider to global biopharmaceutical, medical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Valsource INCvalsource.comHQ: Downingtown, PA, United StatesReported employees: 201-500 | Downingtown, PA, United States | 201-500 | Exact match | 247 contacts → |
“Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Canopy Life Scienceshellocanopy.comHQ: Danbury, CT, United StatesReported employees: 201-500 | Danbury, CT, United States | 201-500 | Exact match | 229 contacts → |
“Canopy provides Clinical to Commercial services to 300+ Biotechnology, Pharmaceutical and Medical Device Companies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  KPS Lifekpslife.comHQ: Malvern, PA, United StatesReported employees: 201-500 | Malvern, PA, United States | 201-500 | Exact match | 229 contacts → |
“Our mission: To accelerate the availability of new, life-changing therapies for patients by partnering with global pharmaceutical companies to improve the quality and execution of…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Klinera Global Servicesklinera.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 229 contacts → |
“Since 2005, KlinEra has partnered with some of the largest pharmaceutical, biotech and device companies, providing innovative and customized clinical trial and research services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Mcra, An Iqvia Businessmcra.comHQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 226 contacts → |
“MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  PCM Trialspcmtrials.comHQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 210 contacts → |
“PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  PRO QC Internationalproqc.comHQ: Mchenry, IL, United StatesReported employees: 501-1,000 | Mchenry, IL, United States | 501-1,000 | Exact match | 208 contacts → |
“Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Biorasibiorasi.comHQ: Aventura, FL, United StatesReported employees: 201-500 | Aventura, FL, United States | 201-500 | Exact match | 205 contacts → |
“Biorasi is a global clinical research organization (CRO) that delivers speed-to-market strategies for small to midsized biotech and biopharma sponsors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Dr. Vince Clinical Researchdrvincecro.comHQ: Overland Park, KS, United StatesReported employees: 201-500 | Overland Park, KS, United States | 201-500 | Exact match | 183 contacts → |
“Dr.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Frontier Science & Technology Research Foundation, INCfrontierscience.orgHQ: Amherst, NY, United StatesReported employees: 51-200 | Amherst, NY, United States | 51-200 | Exact match | 181 contacts → |
“Frontier Science is an independent not-for-profit organization with proven expertise in the design, conduct, analysis, and reporting of clinical trials and observational studies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Theradex Oncologytheradexoncology.comHQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 179 contacts → |
“Theradex Oncology, your full-service CRO for all indications and modalities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,145 company matches
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Clinical trial quality assurance firms: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,144 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,145 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clinical trial quality assurance firms by metro
Questions about this company list
What does Exact match mean for clinical trial quality assurance firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clinical trial quality assurance firms did RevenueBase find based in the United States?
The saved snapshot records 1,145 matching company records, 30,121 tracked contacts and 9,685 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clinical trial quality assurance firms by geography
- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States
- Clinical trial quality assurance firms based in Australia
- Clinical trial quality assurance firms based in Belgium
- Clinical trial quality assurance firms based in Brazil
- Clinical trial quality assurance firms based in Canada
- Clinical trial quality assurance firms based in France
- Clinical trial quality assurance firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 clinical trial quality assurance firms based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clinical-trial-quality-assurance-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States
Company intelligence · public preview
Top 25 clinical trial quality assurance firms based in the United States
RevenueBase records 1,145 matching company records for clinical trial quality assurance firms based in the United States, with 30,121 tracked contacts and 9,685 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 9, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 clinical trial quality assurance firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | PRA Health Sciencesinvestor.iconplc.com HQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 4,768 contacts → |
“PRA is now an ICON plc company.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | WCGwcgclinical.com HQ: Cary, NC, United StatesReported employees: 1,001-5,000 | Cary, NC, United States | 1,001-5,000 | Exact match | 1,179 contacts → |
“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Navitas Life Sciencesnavitaslifesciences.com HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 1,001 contacts → |
“Navitas Life Sciences is a global Clinical Research partner with over 35 years of expertise in Clinical, Regulatory, Safety, and Data Management solutions.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Bioagilytixbioagilytix.com HQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 927 contacts → |
“BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Cenexelcenexel.com HQ: Salt Lake City, UT, United StatesReported employees: 1,001-5,000 | Salt Lake City, UT, United States | 1,001-5,000 | Exact match | 884 contacts → |
“CenExel is a leading integrated, wholly owned, nationwide clinical research site network comprised of 18 Centers of Excellence in major metropolitan areas across the U.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Endpoint Clinicalendpointclinical.com HQ: Raleigh, NC, United StatesReported employees: 501-1,000 | Raleigh, NC, United States | 501-1,000 | Exact match | 627 contacts → |
“Clinical trials are designed around endpoints, but it’s the beginning that sets them up for success-including selecting the best RTSM partner for continuous and flexible support…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | QPS Holdings, LLCqps.com HQ: Newark, DE, United StatesReported employees: 1,001-5,000 | Newark, DE, United States | 1,001-5,000 | Exact match | 615 contacts → |
“QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Chilternfortrea.com HQ: Durham, NC, United StatesReported employees: 10001+ | Durham, NC, United States | 10001+ | Exact match | 528 contacts → |
“THIS PAGE IS NOT MONITORED.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | ILABilabquality.com HQ: Indianapolis, IN, United StatesReported employees: 501-1,000 | Indianapolis, IN, United States | 501-1,000 | Exact match | 440 contacts → |
“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Quality Professionals Q-Prosq-pros.com HQ: TX, United StatesReported employees: 501-1,000 | TX, United States | 501-1,000 | Exact match | 393 contacts → |
“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tescomtescomus.com HQ: Atlanta, GA, United StatesReported employees: 201-500 | Atlanta, GA, United States | 201-500 | Exact match | 391 contacts → |
“Tescom is one of the world's largest independent Software Quality Assurance companies and a pioneer in the industry.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Siterositero.com HQ: Coral Gables, FL, United StatesReported employees: 501-1,000 | Coral Gables, FL, United States | 501-1,000 | Exact match | 383 contacts → |
“Sitero is a next-generation, site-focused clinical research organization (CRO) for life sciences and institutional research organizations that helps get treatments to market safer…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Flourish Researchflourishresearch.com HQ: Apex, NC, United StatesReported employees: 501-1,000 | Apex, NC, United States | 501-1,000 | Exact match | 342 contacts → |
“Flourish Research is a fully integrated, multi-site clinical trial network serving sponsors and CROs across North America.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Techsol Life Sciencestechsollifesciences.com HQ: Princeton, NJ, United StatesReported employees: 201-500 | Princeton, NJ, United States | 201-500 | Exact match | 299 contacts → |
“Techsol Life Sciences is an integrated clinical development, medical affairs and post-marketing surveillance business solutions provider to global biopharmaceutical, medical…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Valsource INCvalsource.com HQ: Downingtown, PA, United StatesReported employees: 201-500 | Downingtown, PA, United States | 201-500 | Exact match | 247 contacts → |
“Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Canopy Life Scienceshellocanopy.com HQ: Danbury, CT, United StatesReported employees: 201-500 | Danbury, CT, United States | 201-500 | Exact match | 229 contacts → |
“Canopy provides Clinical to Commercial services to 300+ Biotechnology, Pharmaceutical and Medical Device Companies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | KPS Lifekpslife.com HQ: Malvern, PA, United StatesReported employees: 201-500 | Malvern, PA, United States | 201-500 | Exact match | 229 contacts → |
“Our mission: To accelerate the availability of new, life-changing therapies for patients by partnering with global pharmaceutical companies to improve the quality and execution of…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Klinera Global Servicesklinera.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 229 contacts → |
“Since 2005, KlinEra has partnered with some of the largest pharmaceutical, biotech and device companies, providing innovative and customized clinical trial and research services.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Mcra, An Iqvia Businessmcra.com HQ: Washington, DC, United StatesReported employees: 51-200 | Washington, DC, United States | 51-200 | Exact match | 226 contacts → |
“MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | PCM Trialspcmtrials.com HQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 210 contacts → |
“PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PRO QC Internationalproqc.com HQ: Mchenry, IL, United StatesReported employees: 501-1,000 | Mchenry, IL, United States | 501-1,000 | Exact match | 208 contacts → |
“Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Biorasibiorasi.com HQ: Aventura, FL, United StatesReported employees: 201-500 | Aventura, FL, United States | 201-500 | Exact match | 205 contacts → |
“Biorasi is a global clinical research organization (CRO) that delivers speed-to-market strategies for small to midsized biotech and biopharma sponsors.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Dr. Vince Clinical Researchdrvincecro.com HQ: Overland Park, KS, United StatesReported employees: 201-500 | Overland Park, KS, United States | 201-500 | Exact match | 183 contacts → |
“Dr.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Frontier Science & Technology Research Foundation, INCfrontierscience.org HQ: Amherst, NY, United StatesReported employees: 51-200 | Amherst, NY, United States | 51-200 | Exact match | 181 contacts → |
“Frontier Science is an independent not-for-profit organization with proven expertise in the design, conduct, analysis, and reporting of clinical trials and observational studies.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Theradex Oncologytheradexoncology.com HQ: Princeton, NJ, United StatesReported employees: 51-200 | Princeton, NJ, United States | 51-200 | Exact match | 179 contacts → |
“Theradex Oncology, your full-service CRO for all indications and modalities.” Recorded description excerpt · October 9, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Clinical trial quality assurance firms: dataset insights
October 9, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,144 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,145 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 9, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Clinical trial quality assurance firms by metro
Questions about this company list
What does Exact match mean for clinical trial quality assurance firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many clinical trial quality assurance firms did RevenueBase find based in the United States?
The saved snapshot records 1,145 matching company records, 30,121 tracked contacts and 9,685 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 9, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Clinical trial quality assurance firms by geography
- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States
- Clinical trial quality assurance firms based in Australia
- Clinical trial quality assurance firms based in Belgium
- Clinical trial quality assurance firms based in Brazil
- Clinical trial quality assurance firms based in Canada
- Clinical trial quality assurance firms based in France
- Clinical trial quality assurance firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 clinical trial quality assurance firms based in the United States. Snapshot: October 9, 2026. https://revenuebase.ai/companies/clinical-trial-quality-assurance-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Clinical trial quality assurance firms based in Bangalore, India
- Clinical trial quality assurance firms based in Hyderabad, India
- Clinical trial quality assurance firms based in Pune, India
- Clinical trial quality assurance firms based in London, United Kingdom
- Clinical trial quality assurance firms based in Miami, United States
- Clinical trial quality assurance firms based in San Diego, United States