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Contact Us

For more information on SIGMATesting.Com and how our online testing services can help you, please contact:

SIGMA Assessment Systems, Inc.
P.O. Box 610757
Port Huron, MI 48061-0757
Phone: 800-265-1285
Fax: 800-361-9411

In Canada, please contact our exclusive Canadian affiliate:

SIGMA Assessment Systems, Ltd.
P.O. Box 3292, Station B
London, ON N6A 4K3
Phone: 800-401-4480
Fax: 800-361-9411

SIGMA Assessment Systems, Inc.