SIG Tactical is honored to join another commercial organization to help them achieve their safety and security goals! 

SIG Tactical provides a superior level of security that other companies cannot do.  Our personnel have broad law enforcement & military backgrounds, al...

Please reload

Special Investigations Group


2951 Thornhills Ave. S.E.

Grand Rapids, MI  49546


Tel: 616.956.7000

Fax: 616.949.9041

Useful Links:

© 2019 by Special Investigations Group. All rights reserved.