2007 Cases AU-MORE THAN TWO UTILITIES (24 cases) CT-COMPETITIVE TELEPHONE (3 cases) EL-ELECTRIC (186 cases) GA-GAS (147 cases) GE-GAS & ELECTRIC (5 cases) HC-HEATING AND COOLING (1 cases) HT-HEATING (3 cases) PL-PIPE LINE (5 cases) RC-RADIO COMMON CARRIERS (1 cases) RR-RAILROAD (39 cases) ST-SEWAGE TREATMENT (2 cases) TP-TELEPHONE (806 cases) TR-TRANSPORTATION (76 cases) WS-WATER & SEWER (15 cases) WW-WATER WORKS (11 cases) XX-TEST INDUSTRY CODE (2 cases)