Moving from active combat to a civilian career can be a tough transition for returning veterans, especially those who have been injured in service. But Hien Manh Tran, known as HT, has made the switch from recovering in an Army hospital to running construction jobsites as founder and CEO of the fast-growing, San Francisco-based contractor Anvil Builders Inc. Now, he aims to convince industry peers to share his view that veterans make great employees and bosses.