| 830.28 Fiberglass Lined Tanks |
| 830.32 Fiberglass Tanks (Other Than for Gasoline) |
| 830.43 Plastic Lined Tanks |
| 830.44 Polyethylene Tanks |
| 913.78 Maintenance and Repair, Pipeline (Includes Removal and Relocation) |
| 936.19 Containers: Barrels, Drums, etc., Maintenance and Repair |
| 936.62 Pumps and Pump Accessories Maintenance and Repair |
| 936.63 Pumps, Vertical, Maintenance and Repair |
| 958.62 Irrigation System Management Services |
| 961.85 Utility Services, Electric, Gas, Water |
| 968.91 Water Supply Analysis, Infrastructure Analysis, Water Quality Analysis, and Long Term Planning |
| 968.92 Water Supply Plant Operating and Monitoring System Services (Including Water Resources Development and Water Quality Management Services) |
| 968.95 Wastewater Treatment Plant, Operations, and Testing |
| 968.96 Water and Wastewater Treatment Services |
| 981.57 Pumps and Pump Accessory Rental or Lease |
| 998.79 Pipe, Valves and Fittings |