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Incorporated in 2018, Keystone Steel Fabricators, Inc. traces its roots back to 1989 when co-founder John Bonacci began Keystone Steel Erectors, Inc. Keystone Steel Fabricators, Inc. ownership brings more than 60 years of combined experience in steel fabrication, engineering, detailing, estimating, erecting, and project management to the industry and strives to use that experienced skillset to deliver quality and detailed service promptly and safely. At Keystone Steel Fabricators, Inc. it’s all about the client’s satisfaction in a project’s success. Coupling methods and resources such as value engineering, AISC Certified Erectors, AWS Certified Welders with our focus on safety, quality, and timeliness, every step Keystone Steel Fabricators takes is to exceed client expectations no matter the size of the project.


Nick Reuther Sr.

John Bonacci

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