New Housing Operative Builders, Water and Sewer Line and Related Structures Construction, Land Subdivision, Highway, Street, and Bridge Construction, Other Heavy and Civil Engineering Construction

Architectural Services, Engineering Services, Testing Laboratories, Other Management Consulting Services, Environmental Consulting Services

Landscaping Services, Environment, Conservation and Wildlife Organizations, Administration of Conservation Programs

Administration of Conservation Programs

Environmental Consulting Services, Administration of Conservation Programs, Administration of General Economic Programs

Industrial Building Construction, Commercial and Institutional Building Construction, Water and Sewer Line and Related Structures Construction, Power and Communication Line and Related Structures Construction, Highway, Street, and Bridge Construction

Museums, Historical Sites, Nature Parks and Other Similar Institutions, Grantmaking Foundations, Other Grantmaking and Giving Services

Drilling Oil and Gas Wells, Support Activities for Oil and Gas Operations, Support Activities for Coal Mining, Support Activities for Metal Mining, Support Activities for Nonmetallic Minerals (except Fuels) Mining