Listings include organizations, headquarters, and number of attendees expected as estimated by the Toledo-Lucas County Convention & Visitors Bureau:
May 17-18 - Payless Shoes Road Show, Radisson Hotel, 300, regional.
May 18-21 - Devilbiss, Binks and Owens College Spray Finish Training, Clarion Westgate, 18, national.
May 20-23 - Mrs. Ohio Pageant, Courtyard by Marriott-Toledo/Maumee, 300, state.
May 21-23 - 801st Aviation Engineers, Hampton Inn Toledo South-Maumee, 20, regional.
May 21-23 - International Plastic Modeler's Society, various sites, 150, regional.
May 21-23 - The 40 Frame Game Bowling Tournament, Clarion Westgate, 200, regional.
May 21-23 - US/Midwest Tennis Association/Spring Open, Courtyard by Marriott-Holland, 120, regional.