In partnership with Lockheed Martin Corp., the Grapevine Chamber of Commerce is hosting the DFW Veterans Summit & Procurement Fair from 8:30 a.m. to 3:15 p.m. on Wednesday at the Grapevine Convention Center, 1209 S. Main St., Grapevine. At the fair, small- to medium-size businesses have an opportunity to meet major government and commercial entities to discuss business opportunities. Some of the participants include American Airlines, Shell, Nokia, Raytheon, Southwest Airlines and L3 Aerospace. Admission for veterans is free. Registration for other participants is $25. Admission includes breakfast, lunch, workshops and prize drawings. Proceeds benefit the veterans programs through the Grapevine Chamber Foundation. For more information, go to www.grapevinechamber.org and click on procurement fair.