The Harford Award goes to businesses that exemplify a commitment to Harford County, according to the chamber.
STG is a defense contractor affiliated with Aberdeen Proving Ground, located on the 1100 block of South Philadelphia Blvd.
"STG is honored," Tamera Rush of STG told Patch. "We truly appreciate the Harford County Chamber and the Harford County Office of Economic Development for the time and effort put into such a great event and deliberation throughout the awards process."
Aberdeen was also represented in the winner's circle by Flowers by Lucy, which is a family-owned flower shop at 20 W. Bel Air Ave.
Award winners in other categories included Arrow Child & Family Ministries (nonprofit), The Kelly Group (service), Looney's Pub (retail) and Flavor Cupcakery (entrepreneur). More than 300 people purchased tickets for the event, the chamber reported on its Facebook page.