• Federal Signal Environmental Products Group, Elgin, Ill., has promoted Craig Dow to international sales manager. He will manage the sales force outside of North America.

  • Earth Tech, Long Beach, Calif., has named three vice presidents: Pamela Murray Johnson, who will be in the Alexandria, Va., office; Joe Cazares, who will be in the San Diego office; and Lou Tortora Jr., who will work in the company's Milwaukee, Wis., office.

  • San Diego-based DriveCam Video Systems has named Dan Hammang chief financial officer.

  • Heil Environmental, Chattanooga, Tenn., has hired Chad Hardy as western region sales manager.

  • CTI and Associates, Brighton, Mich., has named Morgan Subbarayan principal engineer and manager of its solid waste division. The company also has appointed Te-Yang Soong manager of engineering and design services, and Matthew Williams senior project manager.

  • Webb Wheel Products, Cullman, Ala., has named Dan Allen plant manager of its Transit Business unit.

  • SCS Engineers, Sacramento, Calif., has named Paul Damian its California risk assessment practice leader and national partner for risk assessment.