Our large team of professionals is dedicated to be #1 in customer service. OPG maintains offices in key locations and stocks each with necessary people, supplies, and parts to service our customers across northern Wisconsin and the Upper Peninsula efficiently.

Iron Mountain
103 East H. St
Iron Mountain, MI 49801
(906) 774-5880

Negaunee
240 E. Highway 41
Negaunee, MI 49866
(906) 226-4500

Hancock
112 Quincy Street
Hancock, MI 49930
(906) 482-0612

Menominee 
1920 10th Avenue
Menominee, MI 49858
(906) 863-2691