Free Domestic Shipping On All Orders

Contact Us

HENDRIKS SCIENTIFIC
Customer Response Team
22 Broadlawn Drive 
Central Islip, NY 11722

As an internet-based store, our customer service representatives respond to your inquiries via email, whenever possible. Therefore, when calling our team using the phone number below, please leave a voice message that includes an order number, whenever possible, or an email address, if you don't know your order number. Your message will be electronically routed to our staff, and will usually be answered immediately, during normal business hours.

In the United Sates: (631) 495-0200 - Customer Service  

Email Address: cs@hsus.us

If all customer service representatives are occupied, please leave a voice message, and we will address your concern as quickly as possible.