Calendar Calendar of classes for plumbers and plumbing companies. {CALENDAR} For registration information, please fill out form below or callĀ 713-231-3368 Name* First Last Address Street Address Address Line 2 City State / Province / Region ZIP / Postal Code Email* Phone*Apprentice or License # Date of Class MM slash DD slash YYYY Select OneMasterJourneymanTradesmanCPEOSHACommentsCaptcha