Sigma Associates - Contact Us

Regional Offices

Cleveland, OH
Sigma Associates, Inc.
55 Erieview Plaza
Suite 530
Cleveland, OH 44114
Phone: (216) 522-1700
FAX: (216) 522-1701

Indianapolis, IN
Sigma Associates, Inc.
1 North Pennsylvania Street
Suite 230
Indianapolis, IN 46204
Phone: (317) 829-7966
FAX: (317) 829-7967

Corporate Headquarters
Sigma Associates, Inc.
535 Griswold Street
Suite 1700
Detroit, MI 48226
Phone: (313) 963-9700
FAX: (313) 963-7626
Email: contact@sigmaassociates.com

Directions to the Sigma Corporate Office
From all the major expressways leading to downtown Detroit, connect to the Lodge Freeway (10) South. Exit on the left at Larned Street. Once on Larned, proceed two (2) blocks until you reach Griswold. Turn left on Griswold. The Buhl Building is located at the corner of Griswold and Congress. For convenient parking the Griswold-Larned Garage is located next to the Buhl Building off of Griswold.