Our Office Locations

Open Systems Technologies (OST) Grand Rapids, MI Office

Corporate Headquarters

OST Michigan
605 Seward NW Suite 101
Grand Rapids, Michigan 49504

Phone: 616.574.3500
Fax: 616.574.3520
e-mail: info@ostusa.com

Directions to OST Michigan - Corporate Headquarters

Regional Offices

OST Minnesota
3300 Fernbrook Lane, Suite 190
Minneapolis, MN 55447

Phone: 612.412.1305
Fax: 616.574.3520
e-mail: info@ostusa.com

Directions to OST Minneapolis