Business calendar

O’Fallon-Shiloh Chamber of Commerce: Executive Board meeting, 7:30 a.m. at 116 E. First St. in O’Fallon.

O’Fallon-Shiloh Chamber of Commerce: Member Benefits Orientation, noon at 116 E. First St. in O’Fallon.

Greater Belleville Chamber of Commerce: Leadership Belleville Committee meeting, 8 a.m. at 216 E. A St. in Belleville.

O’Fallon-Shiloh Chamber of Commerce: Board of Directors meeting, 8 a.m. at 116 E. First St. in O’Fallon.

Collinsville Chamber of Commerce: Business After Hours, 5 p.m. at the Blum House, 414 W. Main St. in Collinsville.

Greater Belleville Chamber of Commerce: Lunch & Learn: Diversity in the Workplace, 11:45 a.m. at Crehan’s Irish Pub, 5500 N. Belt West in Belleville.

This story was originally published March 20, 2016 at 11:26 PM with the headline "Business calendar."