1889
1889
Peter Sommer invents steel wire fence weaving machine, Dillon, Illinois
1891
1891
Operations move to bigger barn in Tremont, Illinois
1893
1893
Employs ten men
1895
1895
Keystone Woven Wire Fence Company becomes incorporated and moves to larger facilities in S. Peoria
1902
First steel mill constructed
1905
Keystone builds wire mill, making barbed wire and nails
1907
1907
Keystone reorganizes and becomes Keystone Steel and Wire Company
1916
1916
Construction of a new steel works in Bartonville. Employs 750 people.
1917
1917
Steel plant completed and first ladle of steel tapped from new open-hearth furnaces at Bartonville plant
1924
1924
Peter Sommer dies and son B.L. Sommer takes over
1925
1925
The first "Red Brand" fence appears
1926
Keystone stock listed for the first time on the Chicago stock exchange
1931
Feels the impact of the Depression but continues to grow
1938
1938
Fire at steel post facility
1939
1939
Keystone builds a new power plant and office building
1948
1948
Independent Steel Workers' Alliance formed
1950
1950
Sells over 2000 miles of fence to the King Ranch
1955
1962
$38+ million spent on plant improvements in Peoria
1964
Keystone celebrates its diamond anniversary "75 years old and growing"
1965
1965
100th anniversary of the invention of barbed wire
1968
1968
Reconstructed and adopts name Keystone Consolidated Industries Inc.
1974
1974
Bartonville plant floods
1981
Investor, Harold Simmons acquires controlling interest
1987
1987
Construction of high-tech rod mill at Bartonville site
1995
Acquire DeSoto Inc.
1996
1996
Completion of Wire Mill
1997
1997
Acquire Engineered Wire Products
1998
1998
New Billet Caster
2000
2000
New EBT Electric Arc Furnace/Ladle Metallurgy Furnace
2007
2007
Acquire Keystone Calumet
2009
Celebrate 120 year Anniversary
2013
2007
FFA Funding initiative surpasses $1 million in support
Red Brand