Company lists · Data refreshed September 2026
Top 25 Healthy volunteer recruitment firms based in the United States
RevenueBase identified 1,222 company matches for healthy volunteer recruitment firms associated with the United States as of September 2026 and tracks 45,615 professional contacts across them, including 16,447 with verified work emails. Miami is the largest hub.
This list covers company matches for healthy volunteer recruitment 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 September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest healthy volunteer recruitment firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 20,530 contacts → | ||||
Exact match “The PPD™ clinical research business of Thermo Fisher Scientific, the world leader in serving science, enables customers to accelerate innovation and drug development through…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 2 | 1,538 contacts → | ||||
Exact match “In recruiting, stating actual facts has become: Foreign | Uncommon | Taboo.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 3 | 971 contacts → | ||||
Exact match “Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 4 | 847 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 5 | 770 contacts → | ||||
Exact match “MMG is a full-service global health communications group that specializes in patient recruitment and retention.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 6 | 590 contacts → | ||||
Exact match “DM Clinical Research is a network of clinical trial investigator sites with headquarters based out of Houston, Texas.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 7 | 561 contacts → | ||||
Exact match “Accelerated Enrollment Solutions (AES) is now Trialmed.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 8 | 528 contacts → | ||||
Exact match “While the availability of medical technicians and professionals becomes increasingly limited, there seems to be no shortage of staffing firms.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 9 | 481 contacts → | ||||
Exact match “HealthCare Support is a national niche recruitment firm that has a singular focus - placing top talent in the dynamic healthcare industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 10 | 458 contacts → | ||||
Exact match “Avant Healthcare Professionals is a leader in international healthcare recruitment and staffing, connecting globally educated nurses and allied health professionals with hospitals…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 11 | 334 contacts → | ||||
Exact match “Talent4Health is the most candidate-centric agency in the industry.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 12 | 321 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 13 | 291 contacts → | ||||
Exact match “Science 37 is a modern clinical research site that delivers trials directly to patients’ homes.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 14 | 260 contacts → | ||||
Exact match “PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 15 | 254 contacts → | ||||
Exact match “Elligo Health Research is an integrated research organization founded to bridge the gap between cutting-edge clinical trials and the patients who need them-an idea that sparked…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 16 | 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 · Sep 28, 2026 · View company records in RevenueBase | |||||
| 17 | 226 contacts → | ||||
Exact match “Welcome to K2 Medical Research, a privately-owned clinical research facility with multiple locations in Florida, Tennessee, and Rhode Island.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 18 | 207 contacts → | ||||
Exact match “Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 19 | 201 contacts → | ||||
Exact match “EmVenio Clinical Research, a Professional Case Management subsidiary, operates from U.S.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 20 | 200 contacts → | ||||
Exact match “K.A.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 21 | 172 contacts → | ||||
Exact match “Aequor Healthcare Services is a US-based healthcare personnel provider that specializes in staffing physicians, therapists, nurses, technologist and aides.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 22 | 171 contacts → | ||||
Exact match “Clinical Trial Media (CTM) is the largest full-service global patient enrollment organization, with three decades of experience supporting pharmaceutical and biotechnology…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 23 | 167 contacts → | ||||
Exact match “Established in 2001, The Medicus Firm (TMF) is a national retained healthcare search firm with a mission to save lives through teamwork and the relentless pursuit of excellence.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 24 | 161 contacts → | ||||
Exact match “M3 Wake Research is a premier clinical trial network that has been conducting studies since 1984.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
| 25 | 159 contacts → | ||||
Exact match “WorldWide HealthStaff Solutions Ltd.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “healthy volunteer recruitment 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 1,222 healthy volunteer recruitment firms based in the United States
See the full list, filter by size, metro and specialty, and access 16,447 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Healthy volunteer recruitment firms based in the United States at a glance
As of Sep 28, 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 1,222 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 “healthy volunteer recruitment 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 16,447 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Healthy volunteer recruitment 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 “healthy volunteer recruitment firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many healthy volunteer recruitment firms are there based in the United States?
RevenueBase identified 1,222 company matches for healthy volunteer recruitment firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
PPD tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most healthy volunteer recruitment firms?
Miami leads with 41 company records, followed by New York (32) and Houston (30).
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 16,447 professional contacts with verified work emails tracked across these 1,222 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,222 healthy volunteer recruitment firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Healthy volunteer recruitment firms by geography
- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States
- Healthy volunteer recruitment firms based in New York, United States
- Healthy volunteer recruitment firms based in Australia
- Healthy volunteer recruitment firms based in Canada
- Healthy volunteer recruitment firms based in France
- Healthy volunteer recruitment firms based in Germany
- Healthy volunteer recruitment firms based in India
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
- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States
Company intelligence · public preview
Top 25 healthy volunteer recruitment 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 1,222 matching company records for healthy volunteer recruitment firms based in the United States, with 45,615 tracked contacts and 16,447 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: September 28, 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 healthy volunteer recruitment 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 |  PPDppd.comHQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 20,530 contacts → |
“The PPD™ clinical research business of Thermo Fisher Scientific, the world leader in serving science, enables customers to accelerate innovation and drug development through…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Triage Staffing Healthcare Staffingtriagestaff.comHQ: Omaha, NE, United StatesReported employees: Not recorded | Omaha, NE, United States | Not recorded | Exact match | 1,538 contacts → |
“In recruiting, stating actual facts has become: Foreign | Uncommon | Taboo.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Velocity Clinical Research, INCvelocityclinical.comHQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 971 contacts → |
“Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 | 847 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  MMGmmgct.comHQ: Rockville, MD, United StatesReported employees: Not recorded | Rockville, MD, United States | Not recorded | Exact match | 770 contacts → |
“MMG is a full-service global health communications group that specializes in patient recruitment and retention.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  DM Clinical Researchdmclinical.comHQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 590 contacts → |
“DM Clinical Research is a network of clinical trial investigator sites with headquarters based out of Houston, Texas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Accelerated Enrollment Solutionstrialmed.comHQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 561 contacts → |
“Accelerated Enrollment Solutions (AES) is now Trialmed.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Titan Medical Group, LLCtitanmed.comHQ: Omaha, NE, United StatesReported employees: 201-500 | Omaha, NE, United States | 201-500 | Exact match | 528 contacts → |
“While the availability of medical technicians and professionals becomes increasingly limited, there seems to be no shortage of staffing firms.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Healthcare Supporthealthcaresupport.comHQ: Maitland, FL, United StatesReported employees: 51-200 | Maitland, FL, United States | 51-200 | Exact match | 481 contacts → |
“HealthCare Support is a national niche recruitment firm that has a singular focus - placing top talent in the dynamic healthcare industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Avant Healthcare Professionalsavanthealthcare.com HQ: Maitland, FL, United StatesReported employees: 501-1,000 | Maitland, FL, United States | 501-1,000 | Exact match | 458 contacts → |
“Avant Healthcare Professionals is a leader in international healthcare recruitment and staffing, connecting globally educated nurses and allied health professionals with hospitals…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Talent4healthtalent4health.comHQ: Jersey City, NJ, United StatesReported employees: 201-500 | Jersey City, NJ, United States | 201-500 | Exact match | 334 contacts → |
“Talent4Health is the most candidate-centric agency in the industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Flourish Researchflourishresearch.comHQ: Apex, NC, United StatesReported employees: 501-1,000 | Apex, NC, United States | 501-1,000 | Exact match | 321 contacts → |
“Flourish Research is a fully integrated, multi-site clinical trial network serving sponsors and CROs across North America.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Science 37science37.comHQ: Morrisville, NC, United StatesReported employees: 201-500 | Morrisville, NC, United States | 201-500 | Exact match | 291 contacts → |
“Science 37 is a modern clinical research site that delivers trials directly to patients’ homes.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  PCM Trialspcmtrials.comHQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 260 contacts → |
“PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Elligo Health Researchelligo.comHQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 254 contacts → |
“Elligo Health Research is an integrated research organization founded to bridge the gap between cutting-edge clinical trials and the patients who need them-an idea that sparked…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  K2 Medical Researchk2med.comHQ: Maitland, FL, United StatesReported employees: 201-500 | Maitland, FL, United States | 201-500 | Exact match | 226 contacts → |
“Welcome to K2 Medical Research, a privately-owned clinical research facility with multiple locations in Florida, Tennessee, and Rhode Island.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Luke Staffinglukestaffing.comHQ: Rockledge, FL, United StatesReported employees: 1,001-5,000 | Rockledge, FL, United States | 1,001-5,000 | Exact match | 207 contacts → |
“Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Emvenioemvenio.comHQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 201 contacts → |
“EmVenio Clinical Research, a Professional Case Management subsidiary, operates from U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  KA Recruiting, INCka-recruiting.comHQ: Boston, MA, United StatesReported employees: Not recorded | Boston, MA, United States | Not recorded | Exact match | 200 contacts → |
“K.A.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Aequor Healthcare Servicesaequor.comHQ: Piscataway, NJ, United StatesReported employees: 201-500 | Piscataway, NJ, United States | 201-500 | Exact match | 172 contacts → |
“Aequor Healthcare Services is a US-based healthcare personnel provider that specializes in staffing physicians, therapists, nurses, technologist and aides.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Clinical Trial Mediaclinicaltrialmedia.comHQ: Hauppauge, NY, United StatesReported employees: 51-200 | Hauppauge, NY, United States | 51-200 | Exact match | 171 contacts → |
“Clinical Trial Media (CTM) is the largest full-service global patient enrollment organization, with three decades of experience supporting pharmaceutical and biotechnology…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  The Medicus Firmthemedicusfirm.comHQ: Addison, TX, United StatesReported employees: 51-200 | Addison, TX, United States | 51-200 | Exact match | 167 contacts → |
“Established in 2001, The Medicus Firm (TMF) is a national retained healthcare search firm with a mission to save lives through teamwork and the relentless pursuit of excellence.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  M3 Wake Researchwakeresearch.comHQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 161 contacts → |
“M3 Wake Research is a premier clinical trial network that has been conducting studies since 1984.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Worldwide Healthstaff Solutionsclient.healthstaff.orgHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 159 contacts → |
“WorldWide HealthStaff Solutions Ltd.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,222 company matches
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Healthy volunteer recruitment firms: dataset insights
September 28, 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
1,220 records in the displayed employee bands.
2 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 1,222 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: September 28, 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 ↗
Healthy volunteer recruitment firms by metro
Questions about this company list
What does Exact match mean for healthy volunteer recruitment 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 healthy volunteer recruitment firms did RevenueBase find based in the United States?
The saved snapshot records 1,222 matching company records, 45,615 tracked contacts and 16,447 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: September 28, 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
Healthy volunteer recruitment firms by geography
- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States
- Healthy volunteer recruitment firms based in New York, United States
- Healthy volunteer recruitment firms based in Australia
- Healthy volunteer recruitment firms based in Canada
- Healthy volunteer recruitment firms based in France
- Healthy volunteer recruitment firms based in Germany
- Healthy volunteer recruitment firms based in India
Cite this list
RevenueBase Data Team. Top 25 healthy volunteer recruitment firms based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/healthy-volunteer-recruitment-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
- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States
Company intelligence · public preview
Top 25 healthy volunteer recruitment firms based in the United States
RevenueBase records 1,222 matching company records for healthy volunteer recruitment firms based in the United States, with 45,615 tracked contacts and 16,447 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: September 28, 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 healthy volunteer recruitment 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 | PPDppd.com HQ: Waltham, MA, United StatesReported employees: 10001+ | Waltham, MA, United States | 10001+ | Exact match | 20,530 contacts → |
“The PPD™ clinical research business of Thermo Fisher Scientific, the world leader in serving science, enables customers to accelerate innovation and drug development through…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Triage Staffing Healthcare Staffingtriagestaff.com HQ: Omaha, NE, United StatesReported employees: Not recorded | Omaha, NE, United States | Not recorded | Exact match | 1,538 contacts → |
“In recruiting, stating actual facts has become: Foreign | Uncommon | Taboo.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Velocity Clinical Research, INCvelocityclinical.com HQ: Durham, NC, United StatesReported employees: 1,001-5,000 | Durham, NC, United States | 1,001-5,000 | Exact match | 971 contacts → |
“Velocity is the world’s leading organization of fully integrated clinical research sites.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 | 847 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | MMGmmgct.com HQ: Rockville, MD, United StatesReported employees: Not recorded | Rockville, MD, United States | Not recorded | Exact match | 770 contacts → |
“MMG is a full-service global health communications group that specializes in patient recruitment and retention.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | DM Clinical Researchdmclinical.com HQ: Houston, TX, United StatesReported employees: 501-1,000 | Houston, TX, United States | 501-1,000 | Exact match | 590 contacts → |
“DM Clinical Research is a network of clinical trial investigator sites with headquarters based out of Houston, Texas.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Accelerated Enrollment Solutionstrialmed.com HQ: Horsham, PA, United StatesReported employees: 1,001-5,000 | Horsham, PA, United States | 1,001-5,000 | Exact match | 561 contacts → |
“Accelerated Enrollment Solutions (AES) is now Trialmed.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Titan Medical Group, LLCtitanmed.com HQ: Omaha, NE, United StatesReported employees: 201-500 | Omaha, NE, United States | 201-500 | Exact match | 528 contacts → |
“While the availability of medical technicians and professionals becomes increasingly limited, there seems to be no shortage of staffing firms.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Healthcare Supporthealthcaresupport.com HQ: Maitland, FL, United StatesReported employees: 51-200 | Maitland, FL, United States | 51-200 | Exact match | 481 contacts → |
“HealthCare Support is a national niche recruitment firm that has a singular focus - placing top talent in the dynamic healthcare industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Avant Healthcare Professionalsavanthealthcare.com HQ: Maitland, FL, United StatesReported employees: 501-1,000 | Maitland, FL, United States | 501-1,000 | Exact match | 458 contacts → |
“Avant Healthcare Professionals is a leader in international healthcare recruitment and staffing, connecting globally educated nurses and allied health professionals with hospitals…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Talent4healthtalent4health.com HQ: Jersey City, NJ, United StatesReported employees: 201-500 | Jersey City, NJ, United States | 201-500 | Exact match | 334 contacts → |
“Talent4Health is the most candidate-centric agency in the industry.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Flourish Researchflourishresearch.com HQ: Apex, NC, United StatesReported employees: 501-1,000 | Apex, NC, United States | 501-1,000 | Exact match | 321 contacts → |
“Flourish Research is a fully integrated, multi-site clinical trial network serving sponsors and CROs across North America.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Science 37science37.com HQ: Morrisville, NC, United StatesReported employees: 201-500 | Morrisville, NC, United States | 201-500 | Exact match | 291 contacts → |
“Science 37 is a modern clinical research site that delivers trials directly to patients’ homes.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | PCM Trialspcmtrials.com HQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 260 contacts → |
“PCM Trials acquired EmVenio Research and Netherlands-based Clinical Trials Service in 2024.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Elligo Health Researchelligo.com HQ: Austin, TX, United StatesReported employees: 201-500 | Austin, TX, United States | 201-500 | Exact match | 254 contacts → |
“Elligo Health Research is an integrated research organization founded to bridge the gap between cutting-edge clinical trials and the patients who need them-an idea that sparked…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | 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 · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | K2 Medical Researchk2med.com HQ: Maitland, FL, United StatesReported employees: 201-500 | Maitland, FL, United States | 201-500 | Exact match | 226 contacts → |
“Welcome to K2 Medical Research, a privately-owned clinical research facility with multiple locations in Florida, Tennessee, and Rhode Island.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Luke Staffinglukestaffing.com HQ: Rockledge, FL, United StatesReported employees: 1,001-5,000 | Rockledge, FL, United States | 1,001-5,000 | Exact match | 207 contacts → |
“Luke & Associates (Luke) is a trusted provider of healthcare and professional services.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Emvenioemvenio.com HQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 201 contacts → |
“EmVenio Clinical Research, a Professional Case Management subsidiary, operates from U.S.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | KA Recruiting, INCka-recruiting.com HQ: Boston, MA, United StatesReported employees: Not recorded | Boston, MA, United States | Not recorded | Exact match | 200 contacts → |
“K.A.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Aequor Healthcare Servicesaequor.com HQ: Piscataway, NJ, United StatesReported employees: 201-500 | Piscataway, NJ, United States | 201-500 | Exact match | 172 contacts → |
“Aequor Healthcare Services is a US-based healthcare personnel provider that specializes in staffing physicians, therapists, nurses, technologist and aides.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Clinical Trial Mediaclinicaltrialmedia.com HQ: Hauppauge, NY, United StatesReported employees: 51-200 | Hauppauge, NY, United States | 51-200 | Exact match | 171 contacts → |
“Clinical Trial Media (CTM) is the largest full-service global patient enrollment organization, with three decades of experience supporting pharmaceutical and biotechnology…” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | The Medicus Firmthemedicusfirm.com HQ: Addison, TX, United StatesReported employees: 51-200 | Addison, TX, United States | 51-200 | Exact match | 167 contacts → |
“Established in 2001, The Medicus Firm (TMF) is a national retained healthcare search firm with a mission to save lives through teamwork and the relentless pursuit of excellence.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | M3 Wake Researchwakeresearch.com HQ: Raleigh, NC, United StatesReported employees: 201-500 | Raleigh, NC, United States | 201-500 | Exact match | 161 contacts → |
“M3 Wake Research is a premier clinical trial network that has been conducting studies since 1984.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Worldwide Healthstaff Solutionsclient.healthstaff.org HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 159 contacts → |
“WorldWide HealthStaff Solutions Ltd.” Recorded description excerpt · September 28, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,222 company matches
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Healthy volunteer recruitment firms: dataset insights
September 28, 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
1,220 records in the displayed employee bands.
2 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 1,222 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: September 28, 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 ↗
Healthy volunteer recruitment firms by metro
Questions about this company list
What does Exact match mean for healthy volunteer recruitment 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 healthy volunteer recruitment firms did RevenueBase find based in the United States?
The saved snapshot records 1,222 matching company records, 45,615 tracked contacts and 16,447 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: September 28, 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
Healthy volunteer recruitment firms by geography
- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States
- Healthy volunteer recruitment firms based in New York, United States
- Healthy volunteer recruitment firms based in Australia
- Healthy volunteer recruitment firms based in Canada
- Healthy volunteer recruitment firms based in France
- Healthy volunteer recruitment firms based in Germany
- Healthy volunteer recruitment firms based in India
Cite this list
RevenueBase Data Team. Top 25 healthy volunteer recruitment firms based in the United States. Snapshot: September 28, 2026. https://revenuebase.ai/companies/healthy-volunteer-recruitment-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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- Healthy volunteer recruitment firms based in Sydney, Australia
- Healthy volunteer recruitment firms based in Paris, France
- Healthy volunteer recruitment firms based in London, United Kingdom
- Healthy volunteer recruitment firms based in Atlanta, United States
- Healthy volunteer recruitment firms based in Houston, United States
- Healthy volunteer recruitment firms based in Miami, United States