INDIANAPOLIS — Colliers International has brokered the sale of Commerce Park, a seven-building office portfolio in Indianapolis. The sales price was not disclosed. The portfolio totals 133,749 square feet and is located off 86th Street. The buildings are home to a variety of healthcare, construction and professional services tenants. Alex Cantu and Alex Davenport of Colliers represented the seller, Orton Development Inc. Ziff Properties Inc. purchased the portfolio.