Our main headquarters is located in Chicago, IL. We also have facilities in Marathon City, WI, and Ontario.

CRG Headquarters

240 North Ashland Avenue, Suite 130
Chicago, Illinois 60607

TEL: 312-733-4200
TOLL-FREE: 1-800-633-6272

Manufacturing Plant

550 MaraTech Ave
Marathon City, WI 54448

TEL: 715-443-6868
FAX: 715-443-6969

GMC Coating

91 Esna Park Dr. Unit 5
Markham, Ontario L3R 2S2

TEL: 905-305-7428
FAX: 905-305-7427