New York City hosts 10 recurring business events listed on Wikidata: 6 conventions, 2 trade fairs and 1 business event. Dated ones include National Horse Show (November). Jacob K. Javits Convention Center hosts 2 of them.
Recurring conferences, trade fairs, expos and conventions in New York City, from Wikidata. Typical months only: check the organiser for this year's dates before you book.