Public Utilities & Environment The Gas Company(213)244-4633Los Angeles, CA Southern California Edison(323)720-5290Avalon, CA AT&T310-964-12832260 E. Imperial Hwy., 9th Floor-940B Spectrum Business 626-430-34374781 Irwindale Ave., Irwindale, CA 91706 Diamond Environmental Services(760)744-71915925 Alameda St., Huntington Park, CA Central Basin Municipal Water District(323)201-55006252 Telegraph Rd., Commerce, CA