Contact Us

Please do not send any information of a confidential nature through this website.

Request for Proposal

If you would like to send us a Request for Proposal (RFP), please fill out our form.

Contact

For more information on GRS, please complete the form below.

Corporate Headquarters
View Map
One Towne Square, Suite 800
Southfield, Michigan 48076
P: (248) 799-9000 or (800) 521-0498
F: (248) 799-9020
Contact: Judith Kermans

Chicago

View Map
120 N. LaSalle Street, Suite 1350
Chicago, Illinois 60602
P: (312) 456-9800
F: (312) 683-3271
Contact: Lance Weiss

Dallas (Irving)

View Map
5605 N. MacArthur Blvd., Suite 870
Irving, Texas 75038
P: (469) 524-0000
F: (469) 524-0003
Contact: Mark Randall

Denver

View Map
7900 East Union Avenue, Suite 650
Denver, Colorado 80237
P: (720) 274-7270
F: (303) 694-0633
Contact: Leslie Thompson

Detroit (Southfield)

View Map
One Towne Square, Suite 800
Southfield, Michigan 48076
P: (248) 799-9000 or (800) 521-0498
F: (248) 799-9020
Contact: Judith Kermans

Grand Rapids (Rockford)

View Map
8 East Bridge Street, Suite A-1
Rockford, Michigan 49341
P: (248) 799-9000
F: (248) 799-9020
Contact: Judith Kermans

Ft. Lauderdale

View Map
One East Broward Blvd., Suite 505
Ft. Lauderdale, Florida 33301
P: (954) 527-1616
F: (954) 525-0083
Contact: Theora Braccialarghe

Minneapolis

View Map
277 Coon Rapids Blvd., Suite 212
Coon Rapids, Minnesota 55433
P: (800) 521-0498
F: (763) 432-5842
Contact: Bonnie Wurst