The 2007 OPC: From Rough to Finish Presenters are Mario DiFranco and Rob Brown BBS Course Approval #BBS 2007-923 3 Credit hours for BO, MPE, PPE, PI, NRIUI, RBO, RPE, RPI, RIUI Instructors: Mario Di Franco, Plumbing Contractor Mr. DiFranco has been a licensed plumbing … [Read more...]