Prospecting new businesses? Save searches and get weekly alerts — Save searches free.
Trehern Clark has been operating in Chicago since 2026. They currently hold 1 active license across 1 location.
Primary activity: Markets / Promotes Pharmaceuticals to Health Care Professionals and Conducts Business for More than 15 Calendar Days per Year (Pharma Rep).
Most recent activity: new on 2026-04-17.
One row per license event since 2020. Tap any row for the full record. A renewal with no issuance below it points to a license first issued before our 2020 coverage window.
Data not available
Data not available
Data not available