| 1201 | 4b1 | D | SNA COM | Santa Ana | Public Works |
| 1202 | 4b2 | D | CSTMSA1 | Costa Mesa 1 | Public Works |
| 1203 | 4b3 | D | CSTMSA2 | Costa Mesa 2 | Public Works |
| 1204 | 4b4 | D | TOLRODS | Toll Roads | Public Works |
| 1205 | 4b5 | D | TOLRODA | Toll roads A | Public Works |
| 1206 | 4b6 | D | TOLRODB | Toll roads B | Public Works |
| 1207 | 4b7 | D | SPECCRW1 | SPECCRW1 | Public Works |
| 1208 | 4b8 | D | SPECCRW2 | SPECCRW2 | Public Works |
| 1209 | 4b9 | D | ELCTRIC1 | Electric 1 | Public Works |
| 1210 | 4ba | D | ELCTRIC2 | Electric 2 | Public Works |
| 1211 | 4bb | D | BREA 1 | Brea 1 | Public Works |
| 1212 | 4bc | D | BREA 2 | Brea 2 | Public Works |
| 1213 | 4bd | D | LS SPP1 | LS SPP1 | Public Works |
| 1214 | 4be | D | LS SPP2 | LS SPP2 | Public Works |
| 1215 | 4bf | D | SPEC PRG | SPEC PRG | Public Works |
| 1216 | 4c0 | D | SWEEPER | Sweeper | Public Works |
| 1217 | 4c1 | D | SHOP 12 | Shop | Public Works |
| 1218 | 4c2 | D | TR OPS A | Traffic Operations A | Public Works |
| 1219 | 4c3 | D | TR OPS B | Traffic Operations B | Public Works |
| 1221 | 4c5 | D | CONST12 | Construction | Public Works |
| 1223 | 4c7 | D | EOC 12 | Emergency Operations Center | Public Works |
| 1224 | 4c8 | D | SURVEY12 | Survey | Public Works |