International Plumbing Code Essentials | Maryland Heights | December 7th, 2022 This class is open to contractors who wish to join MABOI as a participating member. You may join here: Membership – MABOI WHEN: December 7th, 2022 Registration: 7:30am  Class: 8:00am-3:00pm WHERE: Maryland Heights Community Center2300 McKelvey Road, Maryland Heights, MO, 63043 COST: $85 Includes: breakfast, seminar, and lunch Pre-registration is required … Continue reading International Plumbing Code Essentials | Maryland Heights | December 7th, 2022