Return to Listing ShareTweetTri-State Flame Hardening & Straightening Co.http://www.tristateflame.com27150 GloedeWarren, MI 48088586-776-0035Fax: 586-776-0676EmailAboutTri-State Flame Hardening Company is Michigan's expert Heat Treating resource for Flame Hardening and Straightening of steel alloys and ferrous and ductile irons.Manufacturing Member Directory | Calendar of Events | Member Account | Community Calendar of Events | Job Listings | Member Promotions | Chamber News | Request for Information