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Contact Us

Thank you for your interest in Denoyer-Geppert Science Company! Get in touch with us by using any of the contacts below. 

Call us at (800) 621-1014.

Fax us at (847) 929-4586.

Send us an email with the following inquiries:  

  • Request a quote to mandros [at]
  • Send your purchase order to orders [at]
  • Other general inquiries should be sent to customerservice [at]


Our Hours

Monday to Thursday: 6:00 a.m. to 5:00 p.m.

Friday: 7:00 a.m. to 4:00 p.m.

Saturday: 8:00 a.m. to 12:00 p.m.

Sunday: CLOSED


Our Location NEW

Corporate Headquarters

Denoyer-Geppert, International

7305 N. St. Louis

Skokie, IL 60076


Customer Service 

Contact Information

Phone: (800) 621-1014

Fax: (847) 929-4586

Email: customerservice [at]