| 541614 |
Manufacturing operations improvement consulting services |
| 541614 |
Materials management consulting services |
| 541614 |
Operations research consulting services |
| 541614 |
Physical distribution consulting services |
| 541614 |
Production planning and control consulting services |
| 541614 |
Productivity improvement consulting services |
| 541614 |
Tariff rate consulting services |
| 541614 |
Tariff rate information services |
| 541614 |
Transportation management consulting services |
| 541618 |
Telecommunications management consulting services |