GfA Aerophysics Simulation Services
- Simulation services for the construction industry including thermal building analysis and ventilation simulation.
- http://www.gfa.de/

Rotary Group Limited
- Building service engineers creating comfortable and effective living and working environments throughout the world
- http://www.rotarysouthern.co.uk/

Robertson Airtech International
- Turn-key services for engineering, design, fabrication, installation and service of industrial HVAC, air filtration, process piping, compressed air, and material handling systems.
- http://www.robertsonairtech.com/

CMD Asia Consulting
- Building services and HVAC consultants with offices throughout Asia.
- http://cmdasia.com

Paul Mannering Associates
- A consultant engineer for building services controls and building management systems.
- http://www.pma-consulting.co.uk

Technical Training Associates
- Provides on-site training workshops and videos for HVAC/R professionals and a free Internet newsletter for HVAC/R technicians.
- http://www.technicaltrainingassoc.com

Air Systems Engineering, Inc.
- Design-build construction services for HVAC. Also, supplies 'Automatrix' temperature controls. Fabricates custom sheet metal. Licensed mechanical and electrical engineers.
- http://www.asei.ws/

Gupex
- Design and installation of ventilation solutions for corrosive and hostile environments.
- http://www.gupex.com

Logostikon (Pty) Ltd
- South African-based consultant specializing in HVAC applications.
- http://www.logostikon.co.za

Russell C. Campbell Engineering
- Specializing in ventilating, air conditioning, and HVAC.
- http://www.rccengineering.com

Trinidad Engineering
- Provides heating, ventilation, air conditioning and refrigeration (HVAC) engineering and consulting services.
- http://www.trinidadengineering.com

Eta
- Provides sustainable building, HVAC, electrical, plumbing (MEP) designs to architects and building owners.
- http://www.etaengineers.com

Amcor Engineering
- Mechanical design, plans, and specifations for HVAC, plumbing, and solar systems for builders, contractors, and architects.
- http://www.amcorengineering.com/

MaGrann Associates
- Specializes in energy consulting, engineering and other related services for the building and energy industries.
- http://www.magrann.com

Weinstein Taylor and Associates
- Mechanical/electrical engineers, based in Toronto, Canada, specializing in HVAC, life safety, and in the design of energy efficient systems.
- http://www.wtaeng.com

Aertecno
- Engineering and planning of HVAC, hydric, fire-fighting, and electric installations.
- http://www.aertecno.it/

Constructive Technologies Group, Inc.
- Provides engineering design services in the mechanical, electrical and plumbing disciplines. Focus is on implementing energy-efficient and sustainable design concepts.
- http://www.ctg-net.com/

KOA Engineering Corporation
- Iranian HVAC contractor.
- http://www.koa-eng.com/

Piedmont Mechanical
- Specializes in HVAC, piping, sheet metal, and machinery installation.
- http://www.piedmontmechanical.com/

Building Safety
- Specializing in hazardous materials and processes and their applications to building codes.
- http://buildingsafety.com/

TEC, Inc.
- Providing electrical and mechanical engineering, lighting, plumbing, HVAC, and fire protection systems design.
- http://www.tecinc1.com/

Bredson & Associates, Inc.
- Mechanical, electrical, plumbing and fire protection engineers.
- http://www.bredson.com/

Arun Chaiseri Consulting Group.
- Design, construction management, electrical and mechanical design, energy management, architect and interior design.
- http://www.eptg-acsc.co.th/

AMC Engineers
- Provides a full range of mechanical and electrical engineering services for buildings and related facilities.
- http://www.amc-engineers.com/

D & J Design Services
- Provides professional fire sprinkler design, stocklisting, survey, and consulting. Highly experienced engineers.
- http://www.djdesignservices.com/

Lundquist, Killeen, Potvin & Bender, Inc.
- Consulting engineers based in St. Paul, MN. Mechanical and electrical engineering services for buildings.
- http://www.lkpb.com/

BJP Consulting Group Ltd
- Complete engineering service for the built environment. Including building security systems, environmental control systems, energy conservation, public health systems.
- http://www.bjp-uk.com/

Hensall Mechanical Services
- Heating, ventilation, air conditioning, design build, project management expertise.
- http://www.hensall.com/

KJWW Engineering Consultants
- Provides consulting for HVAC, plumbing, fire protection, electrical, telecommunications, and structural engineering.
- http://www.kjww.com