Locations

Contact Information for Each of our OSI Locations

Our environmental specialists are ready to assist at each location and provide you with the answers to your questions. Call or drop by – we’re eager to help!

Eveleth, MN

Address: 300 Fayal Road Eveleth, MN 55734

Phone: (800) 777-8542

Fax: (218) 744-4832

Minneapolis, MN

Address: 1000 Lund Blvd Anoka, MN 55303

Phone: (800) 628-7657

Fax: (763) 428-8792

Fargo, ND

Address: 1763 Pine Street NW Bemidji, MN 56601

Phone: (800) 585-8838

Fax: (218) 751-1983

Superior, WI

Address: 300 Fayal Road Eveleth, MN 55734

Phone: (800) 777-8542

Fax: (218) 744-4832

Green Bay, WI

Address: 2253 Progress Way Kaukauna, WI 54130

Phone: (800) 860-8003

Fax: (920) 759-0249

Milwaukee, WI

Address: 912 Tesch Court Waukesha, WI 53186

Phone: (800) 732-5667

Fax: (262) 278-4874

Chicago, IL

Address: 3300 E 83rd Place Merrillville, IN 46410

Phone: (800) 822-8218

Fax: (219) 942-0931