| 81331 |
Nature preserves or conservation areas are classified in Industry 71219, Nature Parks and Other Similar Institutions |
| 81331 |
Government establishments primarily engaged in administering, overseeing, and managing governmental ecological restoration programs are classified in Industry 92411, Administration of Air and Water Resource and Solid Waste Management Programs |
| 81331 |
Government establishments primarily engaged in administering conservation programs are classified in Industry 92412, Administration of Conservation Programs. |
| 813311 |
Promoting the interests of organized labor and union employees--are classified in Industry 813930, Labor Unions and Similar Labor Organizations |
| 813311 |
Providing legal services for human rights organizations--are classified in Industry Group 5411, Legal Services. |
| 813312 |
Establishments primarily engaged in operating animal shelters are classified in Industry 812910, Pet Care (except Veterinary) Services |
| 813312 |
Establishments primarily engaged in providing legal services for environment, conservation, and wildlife organizations are classified in Industry Group 5411, Legal Services |
| 813312 |
Nature preserves or conservation areas are classified in Industry 712190, Nature Parks and Other Similar Institutions |
| 813312 |
Government establishments primarily engaged in administering, overseeing, and managing governmental ecological restoration programs are classified in Industry 924110, Administration of Air and Water Resource and Solid Waste Management Programs |
| 813312 |
Government establishments primarily engaged in administering conservation programs are classified in Industry 924120, Administration of Conservation Programs. |