Residents have until March 12 to nominate a business for the 27th Annual Thornton Business Appreciation Event, which will be held 5-7 p.m. Thursday, April 17, at Brittany Hill, 9350 Grant St. in Thornton. Nominate a company that you feel exhibits best practices for one of these categories: People's Choice Award, Entrepreneurial Spirit Award, Retailer of the Year, and Company on the Move, at . Contact the Thornton Office of Economic Development for any questions at 303-538-7605.