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Nucor-Yamato Steel Co.
P.O. Box 1228
Blytheville AR  72316-1228

Nucor Corporation and Yamato Kogyo Company Ltd. formed Nucor-Yamato Steel Company in 1987 to manufacture medium-section wide flange beams. The Blytheville, Arkansas mill shipped its first beam in September 1988. Later, Nucor-Yamato added a second Blytheville facility to produce a broader range of wide flange beams. In 1999, Nucor started a structural beam mill in Berkeley County, South Carolina. Both mills use a special continuous casting method that produces a beam blank closer in shape to the finished beam than traditional methods. The mills produce wide flange beams, pilings, and heavy structural steel products for fabricators, construction companies, manufacturers, and steel service centers. Total annual capacity: 3.7 million tons.


1 S. Dearborn St.
13th Floor
Chicago IL  60603
ArcelorMittal is the world's largest producer of structural steel shapes, having served the U.S. market for over 75 years. Our ASTM A913/50, 65 and now 70 steel offer superior beam characteristics, including higher yield strength, excellent toughness and outstanding weldability-in most cases without preheating. We produce all domestically rolled WF beams in addition to numerous deep W14's, W36's and W 40's unavailable domestically.

Gerdau Ameristeel
P.O. Box 31328
Tampa FL  33631

Steel Dynamics
2601 County Rd. 700 East
Columbia City IN  46725
Steel Dynamics, Inc. (SDI) is the nation’s fifth largest producer of carbon steel products with 2006 annual revenues of $3.2 billion and annual shipments of 4.7 million tons. SDI operates five electric-furnace mini-mills and employs about 3,500. In 2006 about 50 percent of the company's shipments were flat-rolled steel and the remainder was "long products" (bars and beams) and fabricated products. SDI is among the most profitable American steel companies in terms of profit margins and operating profit per ton.

CMC Inc.
2505 Ridge Road
Suite 202
Rockwall TX  75087

Corus America Inc.
475 North Martingale
Ste. 400
Schaumburg IL  60173

650 Warrenville Rd.
Suite 500
Lisle IL  60532-