World class quality
that makes a difference.
MacLean-Fogg is a fourth-generation, family-owned American manufacturing company.
Our portfolio includes MacLean-Fogg Component Solutions, Mallard Manufacturing, OMCO, and Threadstrong.
Help the industry and we help ourselves. Serve the customer on time with a fair price and world class quality.” – John MacLean
Latest News
Master Celebrates Ford Q1 Certification Milestone
MacLean-Fogg's Plymouth, Michigan facility celebrated Ford Q1 certification on August 20. Master West regained the certification and Master East earned it for the first time, marking the point at which all 11 MacLean-Fogg facilities supplying Ford now hold Q1 status.
How Lockthread Technology Prevents Fastener Loosening in Extreme Heat
Learn how Lockthread technology and MacLean-Fogg's SALT system prevent fastener loosening in high-heat exhaust and turbo applications without chemical thread lockers.
How High-Temperature Fastener Performance Affects Seal Integrity
Exhaust gasket failures are often caused by fastener degradation. Learn how clamp load loss, thermal cycling, and material selection affect seal integrity.
