Ontario, Calif. — For its 89th annual Education and Business Conference, the International Association of Plumbing and Mechanical Officials (IAPMO) is moving from “The Last Frontier” to the “Athens of America.” Attendees last year gathered in Anchorage, Alaska — this year they’ll converge on Philadelphia. IAPMO’s 2018 conference will be held Sept. 30-Oct. 4 at Read more