If your Sigma products requires service, please sent to the address below. For warranty service, please provide:
warranty card
copy of purchase receipt
brief note explaining issue with your product
name and address
For products out of warranty, you will be provided with a free estimate.
If you wish to pay for your repair charges, using our online page, please click here.
Sigma Service Department - United States Customers Only
For Sigma customers in the US, please address all written correspondence to:
Sigma Corporation of America
15 Fleetwood Court
Ronkonkoma, NY 11779
To request assistance by phone in the US, our technicians are available from 9AM to 5PM Eastern Standard Time, Monday through Friday. Please call: (631) 585-1144.
Customer Service Department call toll free (800) 896-6858.
You can also fax us 24 hours a day.
Fax: (631) 585-1895 or (631) 585-7661
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