Steel and cleaning products maker Allegheny Bradford Corporation is into stainless. Operating through its three sister companies -- Allegheny Bradford (ABC), Allegheny Surface Technology, and Top Line Process Equipment Company -- the company makes and markets stainless steel and sanitary/hygienic products to the beverage and food processing, biotechnical, electronics, and pharmaceutical industries. Allegheny Bradford's stainless steel products include heat exchangers, tanks, and ultra-filtration filter housings. Allegheny Surface Technology offers surface finishing including electroplating and polishing. Top Line Process Equipment Company makes a complete line of stainless steel flow equipment.