Contact Customer Service

Count on USI to deliver best-in-class customer service and technical support. We are here to help! Ready to place an order? Have questions about your account? Need product information? Our Customer Service and Technical Support teams are available Mon-Fri 8AM-6PM Eastern.  You can order on our website or fax purchase orders 24x7x365. Please refer to the information below for ways to contact USI:

98 Fort Path Road
Madison, CT  06443

Remittance Address
P.O. Box 4105
Woburn, MA  01888-4105

(800) 282-9290: International: +1 (203) 245-8586
Mon-Fri 8AM-6PM Eastern

Fax (available 24x7x365)
(203) 245-8619

Technical Support:


Copy of an Invoice
To request a copy of an invoice, please have your order number readily available and call (800) 282-9290, Option 5; (International: +1 (203) 245-8586, Option 5).