Investigation Services, Other Justice, Public Order, and Safety Activities, National Security

Custom Computer Programming Services, Other Scientific and Technical Consulting Services, Investigation Services, Computer Training, Professional and Management Development Training

Nursery and Tree Production, Forest Nurseries and Gathering of Forest Products, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining

Nursery and Tree Production, Forest Nurseries and Gathering of Forest Products, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining

Nursery and Tree Production, Forest Nurseries and Gathering of Forest Products, Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining

Aircraft Manufacturing, Engineering Services, Testing Laboratories, Graphic Design Services, Custom Computer Programming Services

Electronic Computer Manufacturing, Computer Storage Device Manufacturing, Telephone Apparatus Manufacturing, Radio and Television Broadcasting and Wireless Communications Equipment Manufacturing, Other Communications Equipment Manufacturing

Hydroelectric Power Generation, Fossil Fuel Electric Power Generation, Nuclear Electric Power Generation, Electric Bulk Power Transmission and Control, Water Supply and Irrigation Systems

Other Social Advocacy Organizations, Civic and Social Organizations, Administration of Human Resource Programs (except Education, Public Health, and Veterans' Affairs Pr, Administration of General Economic Programs, International Affairs

Investigation Services, International Affairs