Drug Testing industry

Quality Testing

Onarheim Services is located in Yreka, California, along the I-5 Corridor. Our business was established in 1995, providing Drug and Alcohol testing for mandated commercial employers, non-mandated employers, and individuals.  We provide complete consortium services and collection services for other employers and consortium's

The Team



Jennie is ready to meet your needs with friendly, competent service.



With over 30 years in the transportation industry, Gary has exceptional customer service skills.

Drug Testing Siskiyou County Since 1995


Gary Longmore and Jennie Onarheim.  Both are certified Collectors and Breath Alcohol Technicians.  Onarheim Services maintains membership with DATIA, Drug and Alcohol Testing Industry Association, to stay current on training and industry changes.

Location, Location


Onarheim Services, located in beautiful Siskiyou County. From the wonderful scenery and the friendly locals. We are proud to support our area!

Let's work together

Contact us if you have any questions or would like to schedule an appointment

120 Singleton RD,
Yreka, CA, 96097
Phone: 1-530-842-1395

Please enter your name.
Please enter a message.
Copyright 2018 - Onarheim Services