| | AAA Industries Inc (Redford, MI) Screw machine parts, nuts, bolts & fasteners | |
| | Ames Screw Machine Products (Franklin Park, IL) Screw machine products, coupling nuts, hydraulic fittings, compression nuts, automobile parts, fuel line & engine fittings | |
| | B K & M Inc (Griffith, IN) Threading service; nuts & fasteners | |
| | Botts, J H Inc (Joliet, IL) Anchor bolts, nuts & grates; plate metal fabricating | |
| | Brighton Tool & Die Inc (Brighton, MI) Small metal stampings, winged nuts & washers | |
| | Die Co Inc (Eastlake, OH) 4-slide clips & clamps, small metal stampings, cage nuts, heat treating, phosphate & painting | |
| | Du-Bro Products (Wauconda, IL) Specialized miniature hardware: T-nuts, collars & linkage systems | |
| | Dyson Corp (Painesville, OH) Large threaded fasteners, forgings, bolts, nuts & nuclear components; general machining, drilling, boring, cutting & honing | |
| | Fabristeel Products Inc (Taylor, MI) Fasteners, nuts, jigs & fixtures | |
| | Gretz Machine Products (Royersford, PA) Stainless steel pipe fittings, gaskets & threaded nuts | |
| | Huck Fasteners (Medina, OH) Nuts, fasteners & cold formed parts | |
| | Impert Industries Inc (Otsego, MI) Steel storage bins for nuts & bolts | |
| | Industrial Nut Corp (Sandusky, OH) Special nuts | |
| | MacLean Fasteners-Royal Oak (Royal Oak, MI) Specialty metal nuts | |
| | Marengo Tool & Die Works Inc (Marengo, IL) Specialty nuts, pipe clamps & metal stampings | |
