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Contact Customer Service
Customer Service (Phones only)
(800) 624-8681 or local (269) 983-7155
Mon, Tue, Thur, Fri. 8AM - 7PM ET
Wednesdays 8AM - 5PM ET
Saturday, Sunday - Closed Local Retail Customers -
Monday thru Friday 8AM-5PM ET Faxed Orders - 24 hours a day, 7 days a week - (269) 983-0029 Emailed Orders - 24 hours a day, 7 days a week - email below Mailing Address:
1826 Hilltop Rd.
St. Joseph, MI 49085 Returns: Please call for an RA number, or send an email
(please allow 2-3 business days for a response) Purchasing Manager: If you are a supplier you may contact our purchasing manager, Karl Oehling Research requests - Email below
24 hours a day, 7 days a week
(please allow 2 business days for a response) Send and email to our customer service. Please be sure to use a descriptive subject line to prevent being deleted as spam.
A valid email address is required for a response from customer service. Please follow the proper format of "yourname@yourisp.com". AOL addresses must include the "@" symbol.
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