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
What Causes High Temperature Exhaust System Fasteners to Fail?
Learn how cold forming vs. machining impacts cost, quality, and performance for precision components. Discover when each process is ideal and why hybrid strategies often deliver the best results.
OMCO Joins MacLean-Fogg, Strengthening a Century Long Commitment to American Manufacturing
MacLean-Fogg, a fourth-generation, family-owned American manufacturer entering its second century in business, and OMCO, the nation’s largest cu
Celebrating 120 Years of Curtis Screw Company: A Legacy Built on Craftsmanship, Innovation, and Growth
In 2025, MacLean-Fogg proudly celebrated 100 years of delivering engineered solutions to customers around the world. That same year marked anoth
