2021 ACCO / PHCC Ohio ConventionMay 17 - 19, 2021 Embassy Suites, Cleveland - Rockside Attendee Information Click here to find more information about the great seminars and events being offered at the ACCO / PHCC Ohio Convention. Exhibitor Information Download the exhibitor brochure & contract and view the expo floorplan to see which booths are still available. We will be updating the floorplan as needed. Sponsor Information The Convention Committee has developed a variety of new Sponsor Opportunities designed to showcase your company to the entire plumbing and air conditioning community. Thank You Platinum and Gold Sponsors!