925.17 Civil Engineering |
925.19 Concrete Engineering |
925.22 Control Systems Engineering |
925.28 Drainage Engineering |
925.33 Engineer Services, Professional |
925.35 Environmental Engineering |
925.36 Engineering Services (Not Otherwise Classified) |
925.37 Facilities Design Services, Engineering |
925.38 Field Engineering |
968.92 Water Supply Plant Operating and Monitoring System Services (Including Water Resources Development and Water Quality Management Services) |