Founded on years of training, experience, and hard work, Diversified Manufacturing has been a premier service provider of close tolerance machined parts for the transportation, energy, aerospace, and automotive industries in Erie, Pennsylvania for over 30 years. Our company was founded by Joe Fedorko on January 1st 1989 and has grown to 10 expert engineers and machinists. Our Mission has always been: Provide on-time, precision manufacturing at competitive prices and industry-defining quality of service. Certifications ISO 9001, 2015 Compliant