HOUSTON — Colliers International has completed the sale of an office building located in Houston. The property consists of a six-story, 135,000-square-foot office building located at 2600 North Loop. Bob Parsley and Bill Byrd of the Houston office of Colliers represented the seller, Irving, Texas-based CHRISTUS Health. The buyer, Fuller Realty Partners, was represented by Jay Kyle, also of Colliers’ Houston office. The acquisition price was not disclosed.