| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 3842 | Abdominal supporters, braces, and trusses | 187 |
| 3291 | Abrasive buffs, bricks, cloth, paper, sticks, stones, wheels, etc. | * |
| 3291 | Abrasive grains, natural and artificial | * |
| 3843 | Abrasive points, wheels, and disks: dental | 40 |
| 1446 | Abrasive sand mining | * |
| 3291 | Abrasive-coated products | * |
| 5085 | Abrasives – wholesale | * |
| 3291 | Abrasives, aluminous | * |
| 3842 | Absorbent cotton, sterilized | 187 |
| 2621 | Absorbent paper – made in the same establishment | 75 |
| 3443 | Absorbers, gas | 35 |
| 3823 | Absorption analyzers, industrial process type: e.g., infrared, X-ray | 110 |
| 1622 | Abutment construction-general contractors | * |
| 8211 | Academies, elementary and secondary schools | * |
| 3699 | Accelerating waveguide structures | * |
| 3812 | Acceleration indicators and systems components, aerospace types | 124 |
| 3829 | Accelerometers, except aerospace type | 131 |
| 6321 | Accident and health insurance | 624 |
| 3931 | Accordions and parts | 10 |
| 2782 | Account books | * |
________
* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
