Clinical Research Sites in Harris County, TX

We list 521 clinical research sites serving Harris County, TX: 421 based there and 100 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical research sites serving Harris County, TX are Aavon Clinical Trials, Accurate Clinical Management, Accurate Clinical Management-Baytown, Accurate Clinical Management LLC and Accurate Clinical Research. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Aavon Clinical Trials (ClinicalTrials.gov), Accurate Clinical Management (ClinicalTrials.gov), Accurate Clinical Management-Baytown (ClinicalTrials.gov), Accurate Clinical Management LLC (ClinicalTrials.gov) and Accurate Clinical Research (ClinicalTrials.gov), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

Common checks are enrollment history in the indication, experienced coordinators, IRB arrangements, start-up time and data quality. ClinicalTrials.gov shows which studies a site has been listed on.