Airflow Developments, Ltd. - A UK company specializing in HVAC and related industries fans, test and balance instruments, and other air-side instrumentation.

Airflow Direction Incorporated - Manufacturers of the patented ADI-69 Series HVAC Sensors and alarms for critical air flow monitoring.

Alde International UK Ltd - Suppliers of heating and hot water systems, camping equipment, galley equipment and caravan accessories.

Alpha Moisture Systems - Manufactures dewpoint meters, hygrometers and moisture analyzers for the measurement of trace moisture in gases and dry compressed air.

Alscott Air Systems Limited - Marine and offshore heating, ventilation and air conditioning systems. Design, fabrication, supply, installation and commissioning services.

Ambthair Services - Provide air conditioning systems through Europe and Asia, experienced in the air conditioning of sound, tv and film studios.

American Auto-Matrix - Designs and manufactures building automation and access control systems, components, and software for various commercial and industrial control applications.

Argo Industries - Baseboard heating and control modules.

ASI Controls - Manufactures digital controls for hvac, building automation, energy management and facility control applications. OPC server connects opc enabled clients from different vendors.

Automation Parts Warehouse - Sells used building automation control equipment. Inventory of Siemens, Landis, Gyr, and Modicon parts with some Allen Bradley equipment.

Best Temp Mechanical Corp. - Commercial and residential HVAC services for Long Island and Greater New York areas.

Blumenauer Corporation - Supplying Grundfos and G and L centrifugal pumps, commercial and residential pipe repair kits, valves, recirculation systems, plumbing and HVAC supplies and instant hot water systems.

Braeburn Systems LLC - Manufactures digital electronic thermostats and controls.

Carrier Commercial - Providing a host of products designed to enhance your HVAC/R system. Products address issues such as energy conservation, oil/refrigerant emission prevention and noise reduction.

CDC - Building management, system integration, system and knowledge management.

Circon Systems Corp. - Designs, builds, manufactures and installs award-winning open protocol building automation systems that fully integrate control of security, access, lighting, heating, energy management, ventilation, air conditioning and any other major building functions.

Cochrane Supply - Stocking distributor for HVAC control and building automation manufacturers including Honeywell, Johnson Controls, Invensys, Seimens, and Magnetek.

Comag IR - Digital sensors for HVAC control and SmartHouse.Analog and digital signalling. SmartScan software for logging.

Comdronic Ltd. - Manufacture and supply electronic manometers for commissioning of heating, ventilating and air conditioning systems.

Controldepot Industrial Controls, Inc. - Suppliers of industrial controllers and sensors, temperature controls, pressure sensors, co2 sensors, power meters and vfd drives. Online catalog available.

Cordell - Air Conditioning installation and service for commercial and residential, serving the Middlesex and Surrey areas in UK.

E. and E. Elektronik - Provide sensors, transmitters, calibrators and data loggers for humidity, air velocity and temperature measurement.

Easthill Limited - Produces control panels and switchgear for the heating ventilation and air conditioning (HVAC) industry.

Forte Technology, Inc. - Design and manufacturing of moisture and weight measurement systems and industrial computer systems for the paper pulp, textile, synthetic rubber and other industries.

General Electric Sensing - Instruments for the measurement of humidity, offering a line of hvac transmitters and relative humidity sensors for OEM, as well as chilled mirror dew point hygrometers and humidity generators.

Grasslin Controls Corporation - Supply energy controls with a broad range of electromechanical and electronic time switches, photoelectric controls, defrost timers, thermostats, and other products.

Hays Cleveland - Controllers and stations, analyzers, instrumentation, actuators and regulators.

Heatmiser UK - Manufacturers of heating control products including sensors, valves, controllers, thermostats.

Innovative Waters - Microelectronic flow switches and water conductivity sensors to eliminate water treatment problems in cooling towers.

Luka - Dutch Association of Air Duct Manufacturers.

Metropac Industries - Master distributor of HVAC/R controls selling to wholesalers nationwide.

Micro Trap Corporation - Manufactures electronic and electro-mechanical equipment to monitor spatial environments such as clean rooms and containment applications in the electronic, pharmaceutical and health care industries, asbestos, lead abatement contractors.

MK Energy Services UK - Control systems for boilers, with sequences optimized for energy efficiency.

Nova Systems - Engineers and installs building automation systems include hvac controls, access and security, lighting control.

Pacific Scientific Instruments - Laser particle counters and monitors for liquid, airborne and vacuum in situ applications, such as cleanrooms, manufacturing, semiconductor, pharmaceutical, industrial cleaning.

Penn Fan - Mancoolers, crane cab fans, exhaust fans and custom units for process cooling, spot cooling and general ventilation.

PSG Controls - Manufactures thermostats and related HVAC controls and accessories

Richards-Zeta Building Intelligence - Manufactures hardware and software for the HVAC building automation industry.

Sensor Scientific, Inc. - Temperature sensors for all HVAC/R applications. A variety of configurations are available, including duct, water, indoor and outdoor air temperature sensors.

Siemens Building Technologies - Offer valves, actuators, drives, electronic controls, and combustion control products.

Temco Controls - Low cost sensors, relays, valves and HVAC products.

Thevco Electronics - Manufacturer of electronic controllers for ventilation, heat, mist, water and feed consumption, for poultry, hogs and greenhouses.

Triatek Inc. - HVAC controls.

Ventilation Control Products - Supplier of sensors, valves, actuators and ventilation control products for HVAC contractors.

WattMaster Controls - Produces VAV and pre-programmed controllers for packaged applications and peripheral devices.

XCI Corporation - Designs and manufactures cost effective electronic and software products meeting the needs for on-site and remote-location control for the heating, ventilation, and air conditioning market.

Xref Publishing Co., Inc. - Model number cross reference database for HVAC brands and OEM equipment.