Oster Manufacturing Company 1535 N. Hickory Road Owosso, MI 48867 Phone: 989-729-1160 Toll-Free: 888-416-7837 Fax: 989-729-1159 Toll-Free Fax: 888-716-7837 www.ostermfg.com/ Company Information Oster Manufacturing Company produces high-quality, industrial-grade pipe threading and bolt threading machines for fire sprinkler fabrication and anchor bolt threading applications. Their machines help you cut threads faster ...