Each agency reaches out to small businesses differently. The Dept. of Homeland Security holds monthly Small Business Sessions – pre-arranged 15-minute appointments with Small Business Specialists, as well as prime contractors who currently have DHS contracts. The schedule for 2017 allows you to plan an appointment in advance
The department website has an extensive list of Points-of-Contact for Small Business Specialists, as well as for their Office of Small Business (OSBU) staff