HFF Inc. has procured$350 million in combined financing for office, hotel and retail properties within Ballantyne Corporate Park in Charlotte, N.C. The Pittsburgh-based real estate investment firm worked on behalf of Northwood Investors to secure three separate acquisition loans. The portfolio included 13 office properties, two retail buildings and two hotels, HFF said on Monday. At closing, Northwood assumed existing debt on the other remaining assets in the park.