| 480-04 | Public access to information and records. |
| 480-07 | Procedural rules. |
| 480-11 | SEPA procedures. |
| 480-12 | Motor carriers. |
| 480-14 | Motor carriers, excluding household goods carriers and common carrier brokers. |
| 480-15 | Household goods carriers. |
| 480-30 | Passenger transportation companies. |
| 480-31 | Private, nonprofit transportation providers. |
| 480-51 | Commercial ferries. |
| 480-60 | Railroad companies -- Clearances. |
| 480-62 | Railroad companies -- Operations. |
| 480-66 | Railroad companies -- Sanitation. |
| 480-70 | Solid waste and/or refuse collection companies. |
| 480-73 | Hazardous liquid pipeline companies. |
| 480-75 | Hazardous liquid pipelines -- Safety. |
| 480-80 | Utilities general -- Tariffs and contracts. |
| 480-90 | Gas companies -- Operations. |
| 480-92 | Low-level radioactive waste. |
| 480-93 | Gas companies -- Safety. |
| 480-100 | Electric companies. |
| 480-107 | Electric companies -- Purchases of electricity from qualifying facilities and independent power producers and purchases of electrical savings from conservation suppliers. |
| 480-108 | Electric companies -- Interconnection with electric generators. |
| 480-109 | Electric companies -- Acquisition of minimum quantities of conservation and renewable energy as required by the Energy Independence Act (chapter 19.285 RCW) |
| 480-110 | Water companies. |
| 480-120 | Telephone companies. |
| 480-121 | Registration and competitive classification of telecommunications companies. |
| 480-122 | Washington telephone assistance program. |
| 480-123 | Universal service. |
| 480-140 | Commission general -- Budgets. |
| 480-143 | Commission general -- Transfers of property. |
| 480-149 | Tariff Circular No. 6. |