1907
William Horwitz and partners opened a used pipe distributorship, Keystone Pipe & Supply, in Butler, PA to supply the booming oil well drilling industry. The first oil well, located in Western PA, was drilled in the 1850s.
1967
Keystone Pipe & Supply merged with Tubular Service Corporation of Springdale, PA, a tubular products distributor with branches in Springdale, Atlanta, Kansas City, Denver, Salt Lake City, Birmingham, and Chicago.
The company is renamed Keystone Tubular Service Corporation.
1970
Keystone Tubular Service Corporation became a member of The Marmon Group of companies
1974
Major expansion at East Butler, PA branch includes the first stacker system in the company, 2200 pans
1978
Company name changed to Marmon/Keystone Corporation
1988
Tubes, Inc. is acquired, with branches in Los Angeles and Fresno, CA
1991
Initiated the Quality Improvement Process
Workplace Excellence award received from NASPD
1993
Assets of Lyman Tubeco purchased, adding Winnipeg, Edmonton, Vancouver locations to Marmon/Keystone Canada
1994
Marmon/Lyman renamed Marmon/Keystone Canada Inc, January 1st
Initiated Supplier Quality System (SQS)
Butler branch is first in the company to earn ISO 9002 Certification, September
Sales office in Monterrey, Mexico established, November
Acquired Specialty Steels (Pechiney Co.), adding St. Laurent, Mississauga, Dartmouth, Coquitlam, Edmonton to Marmon/Keystone Canada
1996
Marmon/Keystone website launched
Computerized Test Report System installed
1997
Acquired Pipe & Tube, Inc. of Salt Lake City and Elko, NV, December
1998
Began offering Value Added Services
2000
E-Commerce Internet system developed
2001
Service center opened in Monterrey, Mexico, May
Paperless reporting system implemented, June
2004
Annual safety record broken with 11 branches accident-free in 2004, December 31st
2005
Annual safety record broken with 12 branches accident-free in 2005, December 31st
2006
Safety Record broken with 14 branches accident-free in 2006, December 31st
2007
Marmon/Keystone celebrated its 100th anniversary, January
Berkshire Hathaway Inc. acquires majority interest in The Marmon Group, December 25th
2009
Annual safety record reaches new high of 21 accident-free branches, December 31st
2010
Marmon/Keystone Corporation became Marmon/Keystone LLC, January 1st
2011
Value Added Services division established, January
Automated warehouse system introduced, April
2012
Handheld digital warehouse automation devices introduced, April