GfA Aerophysics Simulation Services - Simulation services for the construction industry including thermal building analysis and ventilation simulation. MaGrann Associates - Specializes in energy consulting, engineering and other related services for the building and energy industries. Air Systems Engineering, Inc. - Design-build construction services for HVAC. Also, supplies 'Automatrix' temperature controls. Fabricates custom sheet metal. Licensed mechanical and electrical engineers. KJWW Engineering Consultants - Provides consulting for HVAC, plumbing, fire protection, electrical, telecommunications, and structural engineering. Hensall Mechanical Services - Heating, ventilation, air conditioning, design build, project management expertise. BJP Consulting Group Ltd - Complete engineering service for the built environment. Including building security systems, environmental control systems, energy conservation, public health systems. Lundquist, Killeen, Potvin & Bender, Inc. - Consulting engineers based in St. Paul, MN. Mechanical and electrical engineering services for buildings. D & J Design Services - Provides professional fire sprinkler design, stocklisting, survey, and consulting. Highly experienced engineers. AMC Engineers - Provides a full range of mechanical and electrical engineering services for buildings and related facilities. Arun Chaiseri Consulting Group. - Design, construction management, electrical and mechanical design, energy management, architect and interior design. Bredson & Associates, Inc. - Mechanical, electrical, plumbing and fire protection engineers. TEC, Inc. - Providing electrical and mechanical engineering, lighting, plumbing, HVAC, and fire protection systems design. Aertecno - Engineering and planning of HVAC, hydric, fire-fighting, and electric installations. Weinstein Taylor and Associates - Mechanical/electrical engineers, based in Toronto, Canada, specializing in HVAC, life safety, and in the design of energy efficient systems. Amcor Engineering - Mechanical design, plans, and specifications for HVAC, plumbing, and solar systems for builders, contractors, and architects. Trinidad Engineering - Provides heating, ventilation, air conditioning and refrigeration (HVAC) engineering and consulting services. Russell C. Campbell Engineering - Specializing in ventilating, air conditioning, and HVAC. Gupex - Design and installation of ventilation solutions for corrosive and hostile environments. Technical Training Associates - Provides on-site training workshops and videos for HVAC/R professionals and a free Internet newsletter for HVAC/R technicians. Paul Mannering Associates - A consultant engineer for building services controls and building management systems.