21. Kenwal Steel Corp., Dearborn, Mich.

www.kenwal.com

2008 sales: $890 million (2007, $758 million)

Stocking locations: 11 (2007, 9)

Warehouse space (sq. ft.): 1.2 million

Products: Carbon & alloy steels (sheet)

Processing services: Cut-to-length, slitting, blanking, pickling

Markets served: Transportation (automotive, rail), oil & gas, appliances, agricultural, electrical equipment, construction.

Stocking regions: Midwest, Plains, Southeast; Ontario, Mexico