The Executive Director shall serve this order on all parties to I.91-01-012, A.02-07-022 (Mission-Miguel), A.02-09-043 (Jefferson Martin), A.03-03-043 (Mission-Viejo), A.01-03-036 (Valley Rainbow) and A.99-11-025 (Tri-Valley). At the first PHC, the Administrative Law Judge will identify parties to the proceeding, and will thereafter issue a new service list. Pacific Gas and Electric Company, Southern California Edison Company, and SDG&E are respondents. Other regulated electric companies with service in California are encouraged to participate as well.