| 206.54 Geographic Information Systems (GIS) |
| 209.49 Geographic Information System (GIS) Software |
| 905.05 Aerial Photography |
| 905.10 Aerial Surveys and Mapping Services (See 962-52 for Standard Survey and Mapping Services) |
| 918.43 Environmental Consulting |
| 918.46 Feasibility Studies (Consulting) |
| 918.72 Lakes, Rivers, and Other Waterway Management Consulting Services |
| 926.40 Ecological Services |
| 926.41 Ecosystems Development, Management and Protection Services |
| 926.42 Environmental Services (Not Otherwise Classified) |
| 926.52 Impact Studies, Environmental |
| 926.70 Permitting Services, Environmental |
| 926.72 Planning and Advisory Services, Environmental |
| 961.32 Environmental Impact Studies |
| 961.43 Hydrological and Oceanography Services |
| 961.74 Scientist Services (Geology, Geophysics, etc) |
| 968.91 Water Supply Analysis, Infrastructure Analysis, Water Quality Analysis, and Long Term Planning |