Arlington Economic Development and the Greater Washington Hispanic Chamber of Commerce will take a look at the mobile food business Wednesday.

Osiris Hoil, owner of District Taco, will talk about food cart best practices. Officials from Arlington County’s health, police and revenue departments will talk about regulations.

The event begins at 6 p.m. at the Arlington Central Library auditorium, 1015 N. Quincy St., Arlington. Free, with registration.

Other events of note
Tuesday, Feb. 18

The Greater Washington Board of Trade is holding a workshop on “Getting Connected in Greater Washington.” Panelists include Peter Abrahams, publisher of DC Magazine; Donna Harris, co-founder of start-up hub 1776; and Amanda Tiede, vice president of Cassidy Turley. The event begins at 8:30 a.m. at Hamilton Live, 600 14th St. NW. $50 for members, $75 for everyone else.

Wednesday, Feb. 19

The Greater Reston Chamber of Commerce plays host to John Jumper, chairman and chief executive, and other executives from Reston-based contractor Leidos, who will talk about the company. The event begins at 7:45 a.m. at the Reston Association, 12001 Sunrise Valley Dr., Reston. $50 for members, $60 for everyone else.

Thursday, Feb. 20

The D.C. Chamber of Commerce is holding a “Power Lunch with Giant Food” where several executives from the grocery chain are to talk. The event begins at 11:30 a.m. at Giant’s location at City Market at O Street, 880 P St. NW. $50.

Tech Cocktail is holding a “DC Mixer & Start-up Showcase” beginning at 6 p.m. at 1776, 1133 15th St. NW. $20.

Friday, Feb. 21

The Tysons Regional Chamber of Commerce is holding a roundtable on “To Protest or Not To Protest: That Is the Question” regarding the pros and cons of filing a bid protest. Devon Hewitt of Protorae Law will moderate the discussion. The event begins at noon at Protorae Law, 8075 Leesburg Pike, Suite 760, Tysons Corner. $25 for members, $50 for everyone else.