Tri-State Flame Hardening Co has been at the forefront of flame hardening and precision straightening services since 1976. Our ISO-9001:2015 certification underscores our commitment to delivering superior quality in flame hardening and vibratory stress services across various industries, including automotive, military, aerospace, medical, maritime, and consumer sectors. With over five decades of experience, we've honed our craft to provide exceptional results that meet the most demanding specifications.

As a locally owned and family-operated business, we take pride in our sincerity, innovation, quality, and drive. Our diverse material expertise allows us to tackle a wide range of projects with confidence and precision. We understand the unique needs of dynamic communities, particularly in agriculture, and tailor our services accordingly. Our commitment to excellence is backed by our Certificate of Completion from Bonal Technologies Inc., ensuring that we stay at the cutting edge of industry advancements. For all your flame hardening and precision straightening needs, contact us today.