| | Almco Inc. Manufacturer of industrial deburring equipment - round bowls, tub-type end discharge and thru-feeds, spindle deburring equipment and supplies. | |
| | 3-D Sales & Service Inc Abrasive blasting & deburring service; machinery rebuilding | |
| | A & B Deburring Co Metal finishing, abrasive blasting, deburring, polishing & buffing, tumbling & sandblasting | |
| | A & L Drilling Secondary drilling, tapping & deburring | |
| | A & L Tumbling Co Machine shop: metal cleaning, tumbling, deburring & finishing | |
| | A K A Metal Finishing Vibratory blast, surface finishing, hand & general deburring | |
| | AAA Gaston Metal Finishing Metal finishing, polishing, buffing, deburring & powder coating | |
| | AAMRO Corp Abrasive blasting equipment, vibratory & barrel finishing equipment & supplies; blasting & deburring service | |
| | ABCCO Industries Deburring, wheelabrating & sandblasting | |
| | Abrading Methods Inc Flat lapping & grinding, deburring & polishing | |
| | Abrasive Products Inc Metal finishing, sandblasting, deburring & coated abrasives | |
| | Ace Manufacturing Co Contract precision machining & deburring tools | |
| | Addison Electro Polishing Electro polishing, deburring & degreasing services | |