Crossroads Public Relations has signed on two additional clients, including Cary-based Virtual heroes.

Virtual Heroes focuses on simulator-based, collaborative and interactive learning technology. The company also developed the interactive PC game “America’s Army” for the U.S. military.

JBM Electronics, a developer of wireless routers, also picked Crossroads. JBM is based in St. Louis. Customers include HP, Circle K and Taco Bell.

Shawn Ramsey, a former executive with OpenSite, TogetherSoft and Brodeur Worldwide, founded Crossroads. The firm has 10 employees.