Jack Holwerda
Director
River City Mechanical
5235 Six Mile Court, Suite #A
Comstock Park, MI 49321
Phone: 616-785-1311
Fax: 616-785-8401
Email: Jack Holwerda
Anita Rathbun
Director
Triangle Associates, Inc.
3769 - 3 Mile NW
Grand Rapids, MI 49534
Phone: 616-453-3950
Fax: 616-453-5952
Email: Anita Rathbun