| 925.17 Civil Engineering |
| 925.19 Concrete Engineering |
| 925.23 Dam Engineering |
| 925.33 Engineer Services, Professional |
| 925.36 Engineering Services (Not Otherwise Classified) |
| 925.38 Field Engineering |
| 925.41 Forensic Engineering |
| 925.42 Foundation Engineering |
| 925.44 General Construction: Management, Scheduling, Cost Estimation - Engineering |
| 925.48 Harbors; Jetties; Piers; Ship Terminal Facilities - Engineering |
| 925.49 Highways; Streets; Airport Pay-Parking Lots - Engineering |
| 925.55 Inspecting, General/Engineering |
| 925.70 Municipal Engineering |
| 925.79 Railroad; Rapid Transit; Monorail/Engineering |
| 925.92 Value Engineering and Value Analysis Services, Professional |