| 918.92 Urban Planning Consulting |
| 925.17 Civil Engineering |
| 925.28 Drainage Engineering |
| 925.49 Highways; Streets; Airport Pay-Parking Lots - Engineering |
| 925.61 Land Development and Planning/Engineering |
| 925.87 Sewage Collection, Treatment, and Disposal/Engineering |
| 925.93 Traffic and Transportation Engineering |