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050 Engineering Co.
  405 236-2030      228 Robert S. Kerr, Suite 515, Oklahoma City, OK 73102 Detail
A mechanical engineering firm that specializes HVAC plant, thermal storage and distribution systems design, HVAC energy management and plumbing system design.

PSA Consulting Engineers INC.
  405-840-1901       3031 NW 64th, Suite 101, Oklahoma City, OK 73116 Detail
Offers preliminary system investigations, building condition reports, energy studies, value-engineering, preparation of design drawings and specifications and construction observation services.