| | AcroFeed Industries Inc Multiple spindle screw machine products, automatic bar loading & feeding equipment | |
| | Screw Machine Products Inc. | |
| | M & N Machine | |
| | Tri-Star Industries, Inc. | |
| | Heitz Machine and Mfg. Co. | |
| | Renick Enterprises, Inc. | |
| | WINSLOW MANUFACTURING | |
| | Vallorbs Jewel Co. | |
| | Precision Machine Components, Inc. | |
| | D&J Manufacturing Inc. | |
| | Alert Screw Machine Products, Inc. | |
| | Precision Machined Components, Inc. | |
| | Hastings Machine Company | |
| | Do-All Precision Components, Inc. | |