JMC and its subsidiaries is the most trusted and comprehensive resource for structural and application-specific tubular steel products and solutions.

With a thorough understanding of our customer’s businesses and markets, we enable wholesalers, distributors, fabricators, original equipment manufacturers, contractors and design/build engineering companies throughout North America to manage inventory, reduce supply chain costs, and meet their customer’s needs.

The JMC Steel Group was founded as the John Maneely Company (JMC) in 1877. It started as a distributor of pipe, values and fittings in Philadelphia, Pa. and grew into one of the largest independent steel pipe and tube distributors on the East Coast of the U.S. JMC and its subsidiaries is the most trusted and comprehensive resource for structural and application-specific tubular steel products and solutions.

Today JMC Steel Group is the largest independent manufacturer of tubular products in North America. We produce more than 2.0 million tons of tubular products a year through our 11 Manufacturing facilities.With a thorough understanding of our customer's businesses and markets, we enable wholesalers, distributors, fabricators, original equipment manufacturers, contractors and design/build engineering companies throughout North America to manage inventory, reduce supply chain costs, and meet their customer's needs.