HOLIDAY HOURS
Our offices will be closed for the holidays starting December 22nd, 2018. We reopen January 2nd, 2019.
The staff at SIGMA wish you a very happy holiday season and best wishes throughout the new year!
SIGMA
Assessment Systems
P.O. Box 610757
Port Huron, MI
USA 48061-0757
Phone: 1.800.265.1285
Fax: 1.800.361.9411
In Canada:
Research
Psychologists Press
P.O. Box 3292, Station B
London, ON
Canada N6A 4K3
Phone: 1.800.401.4480
1.519.673.0833
Fax: 1.800.361.9411