Customer Service


By Phone:
     USA: 1-(617) 517-4000
     UK/Europe: +44-20-3872-2800

By E-Mail:

By Mail:
     USA SIMs
     P.O. Box 2232
     Worcester, MA 01613

For wholesale pricing, large volume purchases, and drop ship services, please email us at

Manufacturer's Warranty:
In the event that a product needs to be returned to a manufacturer for service or warranty work, the customer is responsible for all shipping arrangements. Please contact us for manufacturer policies regarding the procedure and the cost of shipping returns.