GreenStaxx, an affiliate of Oaktree Development LLC, presents the building technology and system designed and patented by Oaktree’s Founder and President, Arthur A. Klipfel III. Oaktree Development LLC was originally founded as Unihab, Inc. in 1969 as a design/build company specializing in factory-produced, urban, multifamily housing with a vision of maximizing quality and value by emphasizing good design. All the company’s projects embody a sense of community not often found in residential development.