Plumbing & Mechanical Systems Board 2-Hour Safety CEU's All licenses issued by the Plumbing & Mechanical Systems Board (PMSB) will expire on June 30, (Deadline has been extended). This includes all individual and contractor licenses. September 30, 2020 - 3:00 - 5:00 pm $50/person Pre-Registration & Pre-Payment Required. Call 712-255-3852. We accept Visa, … Continue reading Plumbing & Mechanical Safety CEU’s→