| PSC |
Name |
| R401 |
Personal Care Services (includes such services as barber and beauty shop, shoe repairs, tailoring, etc.) |
| R402 |
Real Estate Brokerage Services |
| R404 |
Land Surveys, Cadastral Services (non-construction) |
| R405 |
Operations Research and Quantitative Analysis Services |
| R406 |
Policy Review/Development Services |
| R407 |
Program Evaluation Services |
| R408 |
Program Management/Support Services |
| R409 |
Program Review/Development Services |
| R411 |
Real Property Appraisals Services (SIC 6531) |
| R412 |
Simulation |
| R413 |
Specifications Development Services |
| R414 |
Systems Engineering Services |
| R415 |
Technology Sharing/Utilization Services |
| R416 |
Veterinary/Animal Care Services |
| R418 |
Legal Services |
| R419 |
Educational Services |
| R420 |
Certifications and Accreditations for products and institutions other than educational institutions |
| R421 |
Technical Assistance |
| R422 |
Market Research and Public Opinion Services (includes telephone and field interviews, focus testing, and surveys) |
| R423 |
Intelligence Services |
| R424 |
Expert Witness |
| R425 |
Engineering and Technical Services |
| R426 |
Communications Services |
| R427 |
Weather Reporting/Observation Services |
| R428 |
Industrial Hygienics |
| R497 |
Personal Services Contracts |
| R498 |
Patent and Trademark Services |
| R499 |
Other Professional Services |