NOTICE: A price increase will be effective on January 1, 2023. See Price page for information.

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Due to the transition of phone system, we may experience intermittent technical issues with our phone system.

If you are unable to reach us by phone, please try again and/or send an email to

We apologize for any inconvenience this may cause. 

BEFORE filling out the Contact Us form:

NEED TECH SUPPORT? Click here for our Technical Support Form, to receive technical assistance in choosing or using our products.

NEED AN SDS? Click here for our SDS Interactive Form to receive a copy of a RELTEK product mSDS.

Visit FAQ's page to see if your question is answered there. 

For all other general inquiries, you can fill out the Contact Form, or see our contact information below, and Customer Service/Sales will provide a solution to your request.

    (Unsolicited resumes, cover letters, and similar documentation will not be accepted and will be deleted or otherwise disposed of upon receipt.) 


Before filling out this form, please check the above suggestions.

**While we strive for same-day response, at times of high volume it may take 48-72 (business) hours for a response.

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How to find us

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  If you wish to speak directly with our professional staff, please call and ask for:   



    Sales, or Tech. Assistance        


   Monday - Friday,
   09:00am - 05:00pm PT
(Pacific Time)


Toll Free #:

Telephone #:
     (add +1 for international)

Fax #:

  2345 Circadian Way
     Santa Rosa, CA 95407
      United States 








 Expected Holiday Closures:
    • January: New Year's Day
    • February: Presidents' Day
    • May: Memorial Day
    • July: Independence Day
         ("4th of July")
    • September: Labor Day
    • November: Thanksgiving Day,
        and Friday after Thanksgiving
    • December: Christmas Eve,
        and Christmas Day

 Additional Known Office Closures/Adjustments:
  Additional closures may occur and are subject to change at any time.
  (times are in PT   

   • (TBD)









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