Company lists · Data refreshed November 2026
Top 25 Trial site network operators worldwide
RevenueBase identified 3,499 company matches for trial site network operators worldwide as of November 2026 and tracks 183,500 professional contacts across them, including 79,293 with verified work emails. The United States is the largest market and Miami the largest hub.
This list covers company matches for trial site network operators worldwide, 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 November 6, 2026. Country and city lists for trial site network operators follow the table.
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 trial site network operators worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 20,436 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 19,955 contacts → | ||||
Exact match “PPD is part of Thermo Fisher Scientific, the world leader in serving science.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 11,174 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 6,387 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 3,853 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 2,732 contacts → | ||||
Exact match “Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 2,718 contacts → | ||||
Exact match “Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 2,693 contacts → | ||||
Exact match “PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 2,198 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 2,174 contacts → | ||||
Exact match “For 25+ years, Signant Health has been pioneering solutions and methodologies that propel clinical research programs toward regulatory success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 1,965 contacts → | ||||
Exact match “Novotech is a globally recognized full-service clinical research organization (CRO) and scientific advisory company that provides biotech and small- to mid-sized pharma companies…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 1,947 contacts → | ||||
Exact match “Precision for Medicine is an industry-leading global clinical research services organization, purpose-built to improve the clinical research and development process for new…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 1,663 contacts → | ||||
Exact match “Cliantha Research, full-service clinical research organization (CRO), provides comprehensive and integrated offerings in Early Phase (BA/BE and Phase I) trials, Late Phase (Phase…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 1,607 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 1,383 contacts → | ||||
Exact match “We partner with innovator and generic companies using our high-quality infrastructure and a global network of clinical trial sites, to launch novel therapies and new products for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 1,336 contacts → | ||||
Exact match “Suvoda is a global clinical trial technology company, now strengthened by our merger with Greenphire.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 1,320 contacts → | ||||
Exact match “Lambda Therapeutic Research is a leading full-service Global Clinical Research Organization (CRO) headquartered in Ahmedabad (India), with facilities and operations in Mehsana…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 1,269 contacts → | ||||
Exact match “Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 1,200 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 1,172 contacts → | ||||
Exact match “Celerion, a leader in early clinical research, delivers Applied Translational Medicine.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 1,137 contacts → | ||||
Exact match “CTI Clinical Trial and Consulting Services is a global, privately held, research service organization, delivering a complete spectrum of clinical trial and consulting services…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 1,024 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 1,011 contacts → | ||||
Exact match “Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 974 contacts → | ||||
Exact match “Emmes is a Contract Research Organization delivering complex clinical trials through therapeutic expertise, scientific rigor, and technology-enabled execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 959 contacts → | ||||
Exact match “MMS Holdings (MMS) is an award-winning, data-focused clinical research organization (CRO) that supports the pharmaceutical and biotech industries with a proven, scientific…” Recorded in the RevenueBase company graph · Nov 6, 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 “trial site network operators”. 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 3,499 trial site network operators worldwide
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Trial site network operators worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for trial site network operators are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “trial site network operators” 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. 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 79,293 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 November 6, 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.
Trial site network operators by location
25 lists · largest firstEvery Trial site network operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Trial site network operators based in the United States1,389
- Trial site network operators based in India330
- Trial site network operators based in the United Kingdom145
- Trial site network operators based in Germany107
- Trial site network operators based in Canada82
- Trial site network operators based in Australia70
- Trial site network operators based in France63
- Trial site network operators based in Poland61
- Trial site network operators based in China56
- Trial site network operators based in Spain41
- Trial site network operators based in Mexico38
- Trial site network operators based in Türkiye38
- Trial site network operators based in the Netherlands36
- Trial site network operators based in Brazil35
- Trial site network operators based in Italy28
- Trial site network operators based in Belgium26
- Trial site network operators based in Switzerland25
Cities
- Trial site network operators based in Miami, United States60
- Trial site network operators based in London, United Kingdom44
- Trial site network operators based in Houston, United States37
- Trial site network operators based in Bangalore, India35
- Trial site network operators based in New York, United States35
- Trial site network operators based in Ahmedabad, India29
- Trial site network operators based in Raleigh, United States25
- Trial site network operators based in San Diego, United States25
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 “trial site network operators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many trial site network operators are there worldwide?
RevenueBase identified 3,499 company matches for trial site network operators worldwide as of November 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 country has the most trial site network operators?
The United States leads with 1,389 companies, followed by India (330) and the United Kingdom (145). Every trial site network operators list by country and city is linked on this page.
Which city has the most trial site network operators?
Miami leads with 60 company records, followed by London (45) and Hyderabad (40).
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 79,293 professional contacts with verified work emails tracked across these 3,499 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 November 6, 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.
More company lists
Company intelligence · public preview
Top 25 trial site network operators worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,499 matching company records for trial site network operators worldwide, with 183,500 tracked contacts and 79,293 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: November 6, 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 trial site network operators worldwide
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 | HQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 20,436 contacts → |
“Parexel is a leading global clinical research organization (CRO) providing insights-driven Clinical and Consulting solutions to the world’s life sciences industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Wilmington, NC, United StatesReported employees: 10001+ | Wilmington, NC, United States | 10001+ | Exact match | 19,955 contacts → |
“PPD is part of Thermo Fisher Scientific, the world leader in serving science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Research Triangle Park, NC, United StatesReported employees: 10001+ | Research Triangle Park, NC, United States | 10001+ | Exact match | 11,174 contacts → |
“Fortrea (Nasdaq: FTRE) is a leading global clinical research organization (CRO) dedicated to providing innovative clinical development solutions to the life sciences industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Cincinnati, OH, United StatesReported employees: 5,001-10,000 | Cincinnati, OH, United States | 5,001-10,000 | Exact match | 6,387 contacts → |
“Medpace is a scientifically-driven, global, full-service clinical contract research organization (CRO) providing Phase I-IV clinical development services to the biotechnology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Research Triangle Park, NC, United StatesReported employees: 1,001-5,000 | Research Triangle Park, NC, United States | 1,001-5,000 | Exact match | 3,853 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Morrisville, NC, United StatesReported employees: 1,001-5,000 | Morrisville, NC, United States | 1,001-5,000 | Exact match | 2,732 contacts → |
“Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,718 contacts → |
“Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zug, SwitzerlandReported employees: 1,001-5,000 | Zug, Switzerland | 1,001-5,000 | Exact match | 2,693 contacts → |
“PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 2,198 contacts → |
“At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Blue Bell, PA, United StatesReported employees: 1,001-5,000 | Blue Bell, PA, United States | 1,001-5,000 | Exact match | 2,174 contacts → |
“For 25+ years, Signant Health has been pioneering solutions and methodologies that propel clinical research programs toward regulatory success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Singapore, AustraliaReported employees: 1,001-5,000 | Singapore, Australia | 1,001-5,000 | Exact match | 1,965 contacts → |
“Novotech is a globally recognized full-service clinical research organization (CRO) and scientific advisory company that provides biotech and small- to mid-sized pharma companies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Bethesda, MD, United StatesReported employees: 1,001-5,000 | Bethesda, MD, United States | 1,001-5,000 | Exact match | 1,947 contacts → |
“Precision for Medicine is an industry-leading global clinical research services organization, purpose-built to improve the clinical research and development process for new…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 1,663 contacts → |
“Cliantha Research, full-service clinical research organization (CRO), provides comprehensive and integrated offerings in Early Phase (BA/BE and Phase I) trials, Late Phase (Phase…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Cambridge, United StatesReported employees: 1,001-5,000 | Cambridge, United States | 1,001-5,000 | Exact match | 1,607 contacts → |
“Cytel is the world’s leading data-science CRO, driving advancements in human health through robust analytics and innovative clinical trial software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 1,383 contacts → |
“We partner with innovator and generic companies using our high-quality infrastructure and a global network of clinical trial sites, to launch novel therapies and new products for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Conshohocken, PA, United StatesReported employees: 1,001-5,000 | Conshohocken, PA, United States | 1,001-5,000 | Exact match | 1,336 contacts → |
“Suvoda is a global clinical trial technology company, now strengthened by our merger with Greenphire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 1,320 contacts → |
“Lambda Therapeutic Research is a leading full-service Global Clinical Research Organization (CRO) headquartered in Ahmedabad (India), with facilities and operations in Mehsana…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,269 contacts → |
“Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Cary, PA, United StatesReported employees: 1,001-5,000 | Cary, PA, United States | 1,001-5,000 | Exact match | 1,200 contacts → |
“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Lincoln, United StatesReported employees: 1,001-5,000 | Lincoln, United States | 1,001-5,000 | Exact match | 1,172 contacts → |
“Celerion, a leader in early clinical research, delivers Applied Translational Medicine.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Covington, United StatesReported employees: 1,001-5,000 | Covington, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“CTI Clinical Trial and Consulting Services is a global, privately held, research service organization, delivering a complete spectrum of clinical trial and consulting services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Gaithersburg, United StatesReported employees: 1,001-5,000 | Gaithersburg, United States | 1,001-5,000 | Exact match | 1,024 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Durham, SC, United StatesReported employees: 1,001-5,000 | Durham, SC, United States | 1,001-5,000 | Exact match | 1,011 contacts → |
“Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 974 contacts → |
“Emmes is a Contract Research Organization delivering complex clinical trials through therapeutic expertise, scientific rigor, and technology-enabled execution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Canton, MI, United StatesReported employees: 501-1,000 | Canton, MI, United States | 501-1,000 | Exact match | 959 contacts → |
“MMS Holdings (MMS) is an award-winning, data-focused clinical research organization (CRO) that supports the pharmaceutical and biotech industries with a proven, scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,499 company matches
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Trial site network operators: dataset insights
November 6, 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
3,492 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,499 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: November 6, 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 ↗
Trial site network operators by location
25 lists · largest firstEvery Trial site network operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Trial site network operators based in the United States1,389
- Trial site network operators based in India330
- Trial site network operators based in the United Kingdom145
- Trial site network operators based in Germany107
- Trial site network operators based in Canada82
- Trial site network operators based in Australia70
- Trial site network operators based in France63
- Trial site network operators based in Poland61
- Trial site network operators based in China56
- Trial site network operators based in Spain41
- Trial site network operators based in Mexico38
- Trial site network operators based in Türkiye38
- Trial site network operators based in the Netherlands36
- Trial site network operators based in Brazil35
- Trial site network operators based in Italy28
- Trial site network operators based in Belgium26
- Trial site network operators based in Switzerland25
Cities
- Trial site network operators based in Miami, United States60
- Trial site network operators based in London, United Kingdom44
- Trial site network operators based in Houston, United States37
- Trial site network operators based in Bangalore, India35
- Trial site network operators based in New York, United States35
- Trial site network operators based in Ahmedabad, India29
- Trial site network operators based in Raleigh, United States25
- Trial site network operators based in San Diego, United States25
Questions about this company list
What does Exact match mean for trial site network operators?
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 trial site network operators did RevenueBase find worldwide?
The saved snapshot records 3,499 matching company records, 183,500 tracked contacts and 79,293 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: November 6, 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
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Cite this list
RevenueBase Data Team. Top 25 trial site network operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/trial-site-network-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 trial site network operators worldwide
RevenueBase records 3,499 matching company records for trial site network operators worldwide, with 183,500 tracked contacts and 79,293 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: November 6, 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 trial site network operators worldwide
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 | HQ: Raleigh, NC, United StatesReported employees: 10001+ | Raleigh, NC, United States | 10001+ | Exact match | 20,436 contacts → |
“Parexel is a leading global clinical research organization (CRO) providing insights-driven Clinical and Consulting solutions to the world’s life sciences industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Wilmington, NC, United StatesReported employees: 10001+ | Wilmington, NC, United States | 10001+ | Exact match | 19,955 contacts → |
“PPD is part of Thermo Fisher Scientific, the world leader in serving science.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Research Triangle Park, NC, United StatesReported employees: 10001+ | Research Triangle Park, NC, United States | 10001+ | Exact match | 11,174 contacts → |
“Fortrea (Nasdaq: FTRE) is a leading global clinical research organization (CRO) dedicated to providing innovative clinical development solutions to the life sciences industry.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Cincinnati, OH, United StatesReported employees: 5,001-10,000 | Cincinnati, OH, United States | 5,001-10,000 | Exact match | 6,387 contacts → |
“Medpace is a scientifically-driven, global, full-service clinical contract research organization (CRO) providing Phase I-IV clinical development services to the biotechnology…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Research Triangle Park, NC, United StatesReported employees: 1,001-5,000 | Research Triangle Park, NC, United States | 1,001-5,000 | Exact match | 3,853 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Morrisville, NC, United StatesReported employees: 1,001-5,000 | Morrisville, NC, United States | 1,001-5,000 | Exact match | 2,732 contacts → |
“Premier Research International LLC (Premier) is a global leader in clinical research and consulting services with expertise in driving an efficient and effective path to market…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: New York, NY, United StatesReported employees: 1,001-5,000 | New York, NY, United States | 1,001-5,000 | Exact match | 2,718 contacts → |
“Medidata is powering smarter treatments and healthier people through digital solutions to support clinical trials.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Zug, SwitzerlandReported employees: 1,001-5,000 | Zug, Switzerland | 1,001-5,000 | Exact match | 2,693 contacts → |
“PSI is a leading full-service global Contract Research Organization whose key strength is predictable patient enrollment across multiple therapeutic areas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Raleigh, NC, United StatesReported employees: 1,001-5,000 | Raleigh, NC, United States | 1,001-5,000 | Exact match | 2,198 contacts → |
“At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Blue Bell, PA, United StatesReported employees: 1,001-5,000 | Blue Bell, PA, United States | 1,001-5,000 | Exact match | 2,174 contacts → |
“For 25+ years, Signant Health has been pioneering solutions and methodologies that propel clinical research programs toward regulatory success.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Singapore, AustraliaReported employees: 1,001-5,000 | Singapore, Australia | 1,001-5,000 | Exact match | 1,965 contacts → |
“Novotech is a globally recognized full-service clinical research organization (CRO) and scientific advisory company that provides biotech and small- to mid-sized pharma companies…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Bethesda, MD, United StatesReported employees: 1,001-5,000 | Bethesda, MD, United States | 1,001-5,000 | Exact match | 1,947 contacts → |
“Precision for Medicine is an industry-leading global clinical research services organization, purpose-built to improve the clinical research and development process for new…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 1,663 contacts → |
“Cliantha Research, full-service clinical research organization (CRO), provides comprehensive and integrated offerings in Early Phase (BA/BE and Phase I) trials, Late Phase (Phase…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Cambridge, United StatesReported employees: 1,001-5,000 | Cambridge, United States | 1,001-5,000 | Exact match | 1,607 contacts → |
“Cytel is the world’s leading data-science CRO, driving advancements in human health through robust analytics and innovative clinical trial software.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Ahmedabad, IndiaReported employees: 501-1,000 | Ahmedabad, India | 501-1,000 | Exact match | 1,383 contacts → |
“We partner with innovator and generic companies using our high-quality infrastructure and a global network of clinical trial sites, to launch novel therapies and new products for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Conshohocken, PA, United StatesReported employees: 1,001-5,000 | Conshohocken, PA, United States | 1,001-5,000 | Exact match | 1,336 contacts → |
“Suvoda is a global clinical trial technology company, now strengthened by our merger with Greenphire.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Ahmedabad, IndiaReported employees: 1,001-5,000 | Ahmedabad, India | 1,001-5,000 | Exact match | 1,320 contacts → |
“Lambda Therapeutic Research is a leading full-service Global Clinical Research Organization (CRO) headquartered in Ahmedabad (India), with facilities and operations in Mehsana…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: London, United KingdomReported employees: 1,001-5,000 | London, United Kingdom | 1,001-5,000 | Exact match | 1,269 contacts → |
“Expanding on their combined 50-year history, Perceptive provides best-in-class specialist support to global pharmaceutical, biotech, and clinical research organizations, spanning…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Cary, PA, United StatesReported employees: 1,001-5,000 | Cary, PA, United States | 1,001-5,000 | Exact match | 1,200 contacts → |
“WCG is a true partner to research sponsors, CROs, sites and participants in navigating the clinical research journey.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Lincoln, United StatesReported employees: 1,001-5,000 | Lincoln, United States | 1,001-5,000 | Exact match | 1,172 contacts → |
“Celerion, a leader in early clinical research, delivers Applied Translational Medicine.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Covington, United StatesReported employees: 1,001-5,000 | Covington, United States | 1,001-5,000 | Exact match | 1,137 contacts → |
“CTI Clinical Trial and Consulting Services is a global, privately held, research service organization, delivering a complete spectrum of clinical trial and consulting services…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Gaithersburg, United StatesReported employees: 1,001-5,000 | Gaithersburg, United States | 1,001-5,000 | Exact match | 1,024 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Durham, SC, United StatesReported employees: 1,001-5,000 | Durham, SC, United States | 1,001-5,000 | Exact match | 1,011 contacts → |
“Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 974 contacts → |
“Emmes is a Contract Research Organization delivering complex clinical trials through therapeutic expertise, scientific rigor, and technology-enabled execution.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Canton, MI, United StatesReported employees: 501-1,000 | Canton, MI, United States | 501-1,000 | Exact match | 959 contacts → |
“MMS Holdings (MMS) is an award-winning, data-focused clinical research organization (CRO) that supports the pharmaceutical and biotech industries with a proven, scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Trial site network operators: dataset insights
November 6, 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
3,492 records in the displayed employee bands.
7 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 3,499 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: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Trial site network operators by location
25 lists · largest firstEvery Trial site network operators list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Trial site network operators based in the United States1,389
- Trial site network operators based in India330
- Trial site network operators based in the United Kingdom145
- Trial site network operators based in Germany107
- Trial site network operators based in Canada82
- Trial site network operators based in Australia70
- Trial site network operators based in France63
- Trial site network operators based in Poland61
- Trial site network operators based in China56
- Trial site network operators based in Spain41
- Trial site network operators based in Mexico38
- Trial site network operators based in Türkiye38
- Trial site network operators based in the Netherlands36
- Trial site network operators based in Brazil35
- Trial site network operators based in Italy28
- Trial site network operators based in Belgium26
- Trial site network operators based in Switzerland25
Cities
- Trial site network operators based in Miami, United States60
- Trial site network operators based in London, United Kingdom44
- Trial site network operators based in Houston, United States37
- Trial site network operators based in Bangalore, India35
- Trial site network operators based in New York, United States35
- Trial site network operators based in Ahmedabad, India29
- Trial site network operators based in Raleigh, United States25
- Trial site network operators based in San Diego, United States25
Questions about this company list
What does Exact match mean for trial site network operators?
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 trial site network operators did RevenueBase find worldwide?
The saved snapshot records 3,499 matching company records, 183,500 tracked contacts and 79,293 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: November 6, 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.
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Cite this list
RevenueBase Data Team. Top 25 trial site network operators worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/trial-site-network-operators.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗