Last month, Nashville-based Frost-Arnett announced it is relocating its headquarters in August from downtown to a 22,000 square-foot space in the Airport-Briley Parkway corridor. Officials with firm, which is a leader in accounts receivable management for the healthcare industry, said the move would allow the company to increase its local workforce by more than 50 percent with opportunities for additional growth over the next three years. The new building has a total of 44,000 square feet to accommodate expanded operations over time.