The Washington Post has recognized 150 companies and organizations in Washington, D.C., as Top Workplaces 2015. These companies have been recognized as Top Workplaces based on surveys about the workplace completed by their employees. Five companies in the advertising, marketing and digital space were among the top. According to the Post, they are:

Infinitive, focuses on the digital end of advertising, working on advertising solutions and intelligence for a wide array of organizations. The company organizes an annual conference for digital leaders called Digital BrainFest, held the first Friday of May. Last year, the company opened an office in London, establishing an international presence for the first time. Infinitive does everything it can to stay casual, going so far as to encourage job applicants not to wear a suit to job interviews. infinitive.com

IStrategyLabs‘s business is marketing, but it employs specialists that include mechanical engineers, developers, strategists and everything in between, all focused on developing new products and opportunities to connect with customers. The company has a Japanese nap pod for tired employees to decompress, and a hardware workshop that lets developers build prototypes quickly when inspiration strikes. istrategylabs.com

NavigationArts translates complexity into simple presentation, designing Web sites and Internet cloud applications for other businesses. The company has a relaxed dress code and prides itself on being dog-friendly. Man’s Best Friend can be seen roaming the halls on any given day. navigationarts.com

Purple Strategies is a strategic communications firm that serves the needs of companies. The “Purple” moniker comes from the blending of blue and red politics; the company recruits former staff members and communications professionals from both sides of the aisle. Because client work is unpredictable, the firm offers flexible paid time off and every year closes from Christmas Eve to New Year’s Day to give employees extra time with their families. purplestrategies.com

TrackMaven, a marketing data and software firm, exudes the startup vibe, listing a pet Corgi among its 51 local employees.  The firm looks for people who are talented and motivated but also “a little bit goofy.” The company makes its business selling marketing data services. trackmaven.com