Best Places to Work in DC: Integrity Applications Incorporated

Chantilly; 650 employees

Employees at this systems-and-software-engineering firm—which does work for intelligence, national-security, defense, and space agencies—tell us they enjoy working on projects that offer constant new challenges. Besides high pay and solid benefits—including the ability to flex hours over a month and an employee stock-ownership plan—workers praise the approachable, supportive leaders: On National Ice Cream Sandwich Day, the chairman of the board walks around handing out frozen treats.

Perk: A contribution of up to 10 percent of salary in an employee’s 401(k).

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