OHS Inc. Corporate Headquarters

You can click link below to email us: 
("Hello, OHS! I have a question or comment.")


Use our local or toll-free number to call us:

  • 1.949.764.9301
  • 1.800.456.4647 (U.S. & Canada)

Or...just come visit us!

         OHS Health & Safety Services, Inc.
         Commerce Business Center
         3303 Harbor Blvd., Building G-2

(NW corner of Harbor Blvd. and South Coast Dr.; across the Blvd. from Auto Club of So. Cal)          Costa Mesa, California USA  92626

HQ Office Hours (Pacific Time Zone)

  •   Monday-Friday: 8 AM to 5 PM
      (Drug test collections 8 AM to 4 PM only)
  •   Saturday: Closed
  •   Sunday: Closed
  •   Major Holidays: Closed