ABOUT US. Los Angeles Plumbing & Backflow Testing, Inc. is a plumbing contractor in Irwindale, CA. We specialize in servicing the fast food industry in Southern California. We are professional, innovative and our goal is to provide exceptional service and continue to grow our business. DUTIES SUMMARY. Perform full-cycle bookkeeping duties, including but not limited to payroll processing, account analysis, financial report writing, payroll tax ret...
