History

Founded as Keystone Pipe & Supply in Butler, PA.​

Merged with Tubular Service Corporation of Springdale, PA, expanding operations to multiple cities including Atlanta, Kansas City, and Chicago. The company was renamed Keystone Tubular Service Corporation.​

Became part of The Marmon Group.​

Expanded East Butler branch with the first stacker system.​

Renamed Marmon/Keystone Corporation.​

Acquired Tubes, Inc., adding branches in Los Angeles and Fresno, California.

Initiated the Quality Improvement Process and received the Workplace Excellence award from NASPD.

Purchased assets of Lyman Tubeco, adding Canadian locations.​

Marmon/Lyman renamed Marmon/Keystone Canada Inc. in January. Initiated the Supplier Quality System (SQS). Butler branch became the first in the company to earn ISO 9002 Certification in September. Established a sales office in Monterrey, Mexico, in November. Acquired Specialty Steels (Pechiney Co.), adding locations in St. Laurent, Mississauga, Dartmouth, Coquitlam, and Edmonton to Marmon/Keystone Canada.​

Launched company website and computerized test report system.​

Acquired Pipe & Tube, Inc. of Salt Lake City and Elko, Nevada, in December.

Introduced value-added services.​

Developed e-commerce internet system.​

Opened a service center in Monterrey, Mexico, in May. Implemented a paperless reporting system in June.

Achieved annual safety records with increasing numbers of accident-free branches: 11 in 2004, 12 in 2005, and 14 in 2006.​

Celebrated 100th anniversary; Berkshire Hathaway acquired majority interest in The Marmon Group.​

Set a new annual safety record with 21 accident-free branches by December 31

Transitioned from Marmon/Keystone Corporation to Marmon/Keystone LLC on January 1.​

Established the Value Added Services division in January. Introduced an automated warehouse system in April.​

Introduced handheld digital warehouse automation devices in April. Opened a 38,000-square-foot warehousing facility in Tulsa, Oklahoma, on February 1, servicing customers throughout Oklahoma and surrounding regions.

Held a groundbreaking ceremony for a new metals service center in McConnellsburg, Pennsylvania, in June. The 40,000-square-foot facility officially opened on November 1, enhancing capacity and efficiency.

Launched a new mobile-friendly website on February 29, providing customers with enhanced resources and an interactive map of North American locations.

Lakeland Manufacturing was acquired in 2021 by the Marmon Group of Companies. This acquisition provided Lakeland Manufacturing with access to capital and a nationwide distribution network through Marmon/Keystone, LLC.

Reeds Precision Machine (RPM) was acquired in 2022 by the Marmon Group of Companies. This acquisition allowed RPM, a provider of CNC machining services, to become part of the Marmon Metal Services Group, a division within Marmon Holdings.

Marmon Metal Services was created to to align Marmon/Keystone U.S., Marmon/Keystone Canada, Marmon/Keystone Mexico, RPM, Lakeland Mfg, Future Metals, Aero-Hose and Orkal Aerospace into one group.