From our winning team to yours... Good luck to all Keystone Games participants! Berkshire Hathaway Insurance Join our team at GUARD Companies www.guard.com/careers. COMING SOON: New field office locations in Philadelphia and Conshohocken. From our winning team to yours ... Good luck to all Keystone Games participants ! Berkshire Hathaway Insurance Join our team at GUARD Companies www.guard.com/careers . COMING SOON : New field office locations in Philadelphia and Conshohocken .