| ACCUTURN MANUFACTURING CO | 3881 GROVEPORT RD COLUMBUS, OH | (614) 491-1175 |
| B & G TOOL CO | 4832 KENNY RD COLUMBUS, OH | (614) 451-2538 |
| BEXLEY PEN COMPANY INC | 2840 FISHER RD COLUMBUS, OH | (614) 351-9988 |
| BOGGS & ASSOCS | 3555 E FULTON ST COLUMBUS, OH | (614) 237-0102 |
| CYRUS MACHINING COMPANY | 5739 WESTBOURNE AVE COLUMBUS, OH | (614) 322-2841 |
| HICKS M E CORPORATION | 2140 EAKIN RD COLUMBUS, OH | (614) 275-3652 |
| JETT INDUSTRIES INC | 2806 BANWICK RD COLUMBUS, OH | (614) 239-5780 |
| MARQUARDT W J MACH CO | 6530 HUNTLEY RD COLUMBUS, OH | (614) 888-8419 |
| MAZE JOS W CO | 1076 RIDGE ST COLUMBUS, OH | (614) 486-8538 |
| OMEGA PERFORMANCE | 7030 WORTHINGTON GALENA # R COLUMBUS, OH | (614) 436-0392 |
| PRECISION ENGINEERED COMPONENTS LTD | 7030 WORTHINGTON GALENA # R COLUMBUS, OH | (614) 436-0392 |
| RANDY'S AUTOMOTIVE MACHINE SHOP INC | 4029 E MAIN ST COLUMBUS, OH | (614) 235-9970 |
| ROBEY TOOL AND MACHINE | 1593 E 5TH AVE COLUMBUS, OH | (614) 251-0412 |
| SALEM MANUFACTURING & SALES INC | 2856 BANWICK RD COLUMBUS, OH | (614) 235-0700 |
| SHEETS MACHINE SHOP | 1883 S 3RD ST COLUMBUS, OH | (614) 443-7203 |
| TIM'S TOOL REPAIR | 408 CHAMBERSBURG RD COLUMBUS, OH | (614) 231-6122 |