Richmond engineering firm becomes subsidiary of national brand Photos courtesy of Dunlap & Partners Engineers) After more than three decades in the thick of Richmond’s engineering scene, John Dunlap is passing the baton of the 16-year-old firm that bears his name. But he’s not folding up his drafting table just yet. The founder of Dunlap & Partners Engineers is handing the reins over to a new generation as the firm enters its next iteration as a division of Salas O’Brien, a California-based construction engineering firm that acquired it in December. John Dunlap The 69-year-old Dunlap is not retiring, however, instead staying on in an advisory role while continuing to practice his craft.