| SIC Code | Business or Product | Registrants |
|---|
|  | | |
| 3579 | Mailing machines | 33 |
| 5044 | Mailing machines – wholesale | * |
| 2542 | Mailing racks, postal service: except wood | * |
| 7331 | Mailing service | 30 |
| 3571 | Mainframe computers | 149 |
| 4173 | Maintenance facilities for motor vehicle passenger transportation | * |
| 7349 | Maintenance, building: except repairs | * |
| 4959 | Malaria control | * |
| 2865 | Maleic anhydride | * |
| 3423 | Mallets, printers’ | * |
| 3069 | Mallets, rubber | * |
| 3949 | Mallets, sports: e.g., polo, croquet | 124 |
| 2499 | Mallets, wood | * |
| 2869 | Malononitrile, technical grade | * |
| 5149 | Malt – wholesale | * |
| 2083 | Malt byproducts | * |
| 5149 | Malt extract – wholesale | * |
| 2082 | Malt extract, liquors, and syrups | 64 |
| 3556 | Malt mills | * |
| 2083 | Malt: barley, rye, wheat, and corn | * |
________
* There are SEC Registrants, but only at the 2- or 3-digit SIC Code levels. |
