| 907.42 Geotechnical - Soils |
| 907.75 Site Assessment and Site Field Observation |
| 907.83 Testing Services |
| 909.03 Administration of Contracts: Summary of Work, Quality Control, Project Closeout, etc. |
| 912.16 Boring, Drilling, Testing, and Soundings |
| 912.75 Quality Control Testing Services for Construction |
| 918.42 Engineering Consulting |
| 918.43 Environmental Consulting |
| 918.88 Quality Assurance/Control Consulting |
| 925.17 Civil Engineering |
| 925.33 Engineer Services, Professional |
| 925.35 Environmental Engineering |
| 925.36 Engineering Services (Not Otherwise Classified) |
| 925.42 Foundation Engineering |
| 925.45 Geological Engineering |
| 925.46 Geotechnical Engineering |
| 925.55 Inspecting, General/Engineering |
| 925.56 Inspecting, Structural/Engineering |
| 926.29 Contaminated Groundwater Services (Including Discharge Pipe Installation) |
| 926.30 Contaminated Soil Services |
| 926.42 Environmental Services (Not Otherwise Classified) |
| 926.52 Impact Studies, Environmental |
| 926.54 Investigation Services, Pollution |
| 926.65 Oil and Petroleum Spill Services (Including Removal of Used Petroleum Products) |
| 926.70 Permitting Services, Environmental |
| 926.72 Planning and Advisory Services, Environmental |
| 926.83 Site Assessment, Environmental |
| 926.85 Soil, Soil Vapor, and Groundwater Sampling and Analysis (Including Disposal) |
| 926.88 Storm Water Discharge Testing Services |
| 926.90 Subsurface Testing, Environmental |
| 926.91 Tank Testing and Disposal Services, Storage (Including Underground Types) |
| 958.26 Construction Management Services |
| 961.09 Building Permit Services |
| 961.45 Inspection and Certification Services |
| 963.55 Permits (Not Otherwise Classified) |
| 968.47 Inspection Services, Construction Type |
| 989.14 Asphalt Sampling and Inspection Services |
| 989.75 Soil Sampling and Preparation Services |
| 989.91 Water Sampling and Analysis Services |