With the increasing complexity of building technologies and construction methods and growing Government regulations, a greater demand for professional caliber contractors is evident. People are needed who can accept responsibility, control the cost and the quality of services they perform.

By requesting an ORAC and UA Local 787 member to perform the work directly, the owner, consultant, specifier or general contractor will gain true and long-lasting value and Industry expertise.

  • Access to a network of over 250 like-minded HVAC contractors
  • Attendance and voting rights at the ORAC Annual General Meeting
  • Attendance at all social/networking events
  • Access to ORAC’s technical resources including TSSA pre-approved P-drawings, brazing procedures and testing facilities
  • Intimate access to ORAC associate members and suppliers
  • Attendance at all training/educational events
  • Eligible to become a member of the ORAC board
  • Industry exposure to potential clients via ORAC’s website

Together, these benefits offer financial savings which equate to thousands of dollars for an average company.

If you are a UA Local 787 member complete your application today!



Company Description Specialties Phone Website  
AC Plus (branch under: Ainsworth Inc.)
Ainsworth Inc. Based in Toronto, Ainsworth operates across Canada and is a leading multi-trade company that offers technical trade services like HVAC, mechanical, electrical, data cabling, and building and industrial automation.
Ainworth | GDI Services (Canada)
Airco - 817228 Ontario Limited (branch under: Ainsworth Inc.)
Alliance HVAC Solutions (formerly Absolute)
Ambient Mechanical Ltd Since 1982 Ambient Mechanical Ltd has been taking care of all our clients' HVAC needs in commercial offices, industrial, institutional and multi-residential buildings.
Ambient Mechanical Ltd.
Applied Systems Technologies Inc
Applied Systems Technologies Inc. Applied Systems Technologies Inc. provides a variety of HVACR services for commercial properties in the GTA.
Art Blake Refrigeration Limited Operating out of London, Ontario, Art Blake Refrigeration Ltd. offers HVACR services including installations, maintenance, emergency services and equipment audits.
B. Lundy Mechanical Ltd.
B.I.C. Mechanical Limited Commercial/Industrial Refrigeration, Air Conditioning and Heating Service and Installation.
Beebe Mechanical Systems Ltd. A family-owned business since 1946, Beebe Mechanical Systems Ltd, located in Thunder Bay, offers installation and repair services for air conditioning, heating and mechanical systems.
Berg Chilling Systems Inc. Berg Chilling Systems designs and manufactures industrial thermal process control systems for a wide range of applications using both natural and HFC refrigerants.
Bering Mechanical
Bird Mechanical Ltd.
Black & McDonald Limited
BML Muti Trades Group LTD
Bogar-Paterson Ltd.
Brookfield Global Integrated Solutions (BGIS)
Buhler Mechanical Service Ltd. Industrial, commercial and residential refrigeration, air conditioning, heating, and sheet metal. Sales, serviced and installation.
Canem Systems Canem Systems uses the latest technologies to deliver projects on time with a level of excellence you can trust. You can rely on us as your contractor because we’ve been putting relationships first for nearly 60 years.
Carmichael Engineering Ltd
Carmichael Engineering Ltd. Carmichael - experts in thermal energy systems.
Carrier Commercial Service
Carrier Commercial Services Inc.
Cascade Mechanical Services Limited
Centrifugal Associates Inc (branch under: Ainsworth Inc.)
Chadair Systems Inc. (branch under: Smith & Long Mechanical Limited)
Chiller Systems Consulting
CIMCO Refrigeration - c/o Toromont Industries Ltd.
Circa Refrigeration Inc. Commercial/Industrial Refrigeration & HVAC service and installation
Climatech Inc. Climatech is a service and maintenance company keeping customers comfortable since 1985.
Clow Darling Limited Commercial, Industrial, Refrigeration, Air Conditioning, Plumbing, Heating service and installation.
Cold Corp Air Systems (formerly Romo Air Systems)
Commercial Air Services Inc. (branch under: Carrier Canada Ltd)
Complete Comfort Niagara Inc. Complete Comfort Niagara Inc. has earned the reputation among its customers, as a leading Heating, Ventilation, Air Conditioning & Refrigeration Contractor in the Niagara Region.
Comstock Canada Limited (branch under: Coral Canada Wide)
Conestoga Mechanical Inc.
Continental Air Systems Inc.
Contrast Heating and Air Conditioning Ltd.
Cool Check Air Conditioning Ltd.
Coolbreeze Service Limited
Coolmark Mechanical Ltd.
Coral Canada Wide Coral Canada Wide Is a well-established, privately owned company with a proven track record of providing professional HVAC-R Services since 1992.
Core One Mechanical Group Core One Mechanical Group Inc. is your single-source Geothermal and HVAC solution. We can solve your geothermal, HVAC, maintenance, and equipment repair issues in your commercial, multi-residential and industrial properties.
Crozier Environmental
Cyber Air Systems Inc. Commercial/Industrial refrigeration, air conditioning and heating service and installation, chiller installation and service, and certified brazing.
Dael Thermal Group With over 40 years of experience, Dael Thermal provides a wide variety of HVAC/R solutions to Commercial and Industrial clients. Along with meeting our customers’ needs in the HVAC/R area, Dael Thermal also provides unique and value added process combustion solutions for any and all manufacturing clientele.
Daikin Applied Canada Inc. We believe your air can be doing more. Every day, we aim to create better outcomes for our customers, so you can breathe easier.
DCS Innovative HVAC-R Solutions Service and installation of industrial, institutional and commercial refrigeration, air conditioning, and heating systems.
Demand Air Systems Ltd. Demand Air Systems has been designing, installing, servicing and maintaining Air Conditioning/Heating Systems since 1978. Our many years of experience have allowed us to service our customers with the expertise necessary to meet their HVAC requirements.
Dilfo HVAC Service Inc. Commercial, industrial and institutional heating, air conditioning, ventilation and refrigeration. We provide specialty equipment, maintenance, service and construction.
Display Fixtures Refrigeration
Donair Heating & Air Conditioning Service Ltd. DonAir is an established family owned company in the HVAC business for over 27 years, installing and servicing heating, ventilation and air-conditioning systems for commercial and industrial customers in the GTA (Greater Toronto Area).
Drennan Refrigeration Inc. Industrial Refrigeration Contractors/Refrigeration Design Build Engineers/Industrial Refrigeration Supplies.
Dunlis Mechanical Services Ltd. Focused on commercial/industrial refrigeration, air conditioning, heating preventative maintenance/repair. Design/build/installation of sheet metal.
DX Systems Solutions
E.A. Group
E.S. Fox Limited E.S. Fox Limited provides service oriented, value added, multi-trade solutions on all your ICI and energy projects. We can manage your job from start to finish.
Energy One Mechanical Inc.
Fahrhall Mechanical Contractors Limited Provide reliable heating, cooling, plumbing and air quality service and installation to residential, commercial and industrial customers in the Windsor-Essex-Kent Counties. Top brand equipment, professional installation, and service in the heating and cooling industry.
FL Mechanical (FlatLine)
Four Seasons Controlled Climates Ltd. (branch under: Northern Air Environmental Technologies Inc.)
General Air Systems Inc. Mechanical and Commercial HVAC in Toronto. We specialize in High Rise Mechanical including water treatment and controls.
Gordon Wright Electric Limited Founded in 1930, Gordon Wright Electric Limited has earned a reputation of providing high quality products and installations with outstanding customer service throughout the Niagara Region and the Golden Horseshoe. In addition to our construction, design-build, and equipment installation services, our skilled servicemen can also perform preventative maintenance, service and repairs on your equipment.
Grayco Air Inc
Haller Mechanical Contractors
HECO Limited Heco Limited has now had over 20 years of success in the industrial and commercial refrigeration, cooling and heating industry.
Honeywell Limited
Hubbard Mechanical Incorporated Commercial/Industrial Refrigeration, Air Conditioning & Heating Service and Installation.
HVAC Dimensions Ltd. Commercial contractor specializing in VAV/VVT, computer rooms, BAS, Mitsubishi City Multi and Fujitsu ductless systems, VFD's, make-up air units, boilers and pneumatics.
Industrial Refrigeration Systems Ltd. (branch under: Berg Chilling Systems Inc.)
J. Melvin & Associates Ltd. J. Melvin & Associates Ltd. offers the best in Commercial & Industrial HVAC installation, maintenance and service with over 30 years of experience in the industry.
J.L. Refrigeration
J.L. Wilson & Sons Limited (branch under: Carmichael Engineering Ltd)
Jade Logic Building Technologies Inc. Jade Logic brings decades of experience in Building Automation and uses the latest technology to give you full control over your building’s environmental systems, lighting and more. We also offer full service of all your mechanical and electrical systems with our experienced team of licensed technicians.
Johnson Controls Inc. A key part of your mission is to build and operate facilities that are safe and secure, whether your facility is designed for people, for products, or for both.
Keith's Plumbing & Heating Inc.
Kelson Service Specializing in optimizing each stage of the building lifecycle, Kelson provides innovative practical results for your engineering, commissioning, facility maintenance, emergency services and Energy needs.
Lakehead Polar Air Limited o/a Polar Mechanical (branch under: Ainsworth Inc.)
Lancaster Sheet Metal Ltd.
Lar-Mex Inc
Laser Heating and air Conditioning Inc.
LCD Mechanical
Lekter Industrial Services Inc. Lekter Industrial Services Inc. operates in Southwestern Ontario.
M.A.S. Mechanical Ltd. M.A.S. Mechanical Ltd is an HVAC Contractor operating in the Toronto area.
M.C. Mechanical Services Inc. Commercial & Industrial HVAC/R Service, sales & installation of all major manufactures.
M.T.I. Mechanical Trade Industry Ltd. MTI Mechanical Trade Industries is based in Markham and provides any type of commercial or industrial heating, ventilation, air conditioning, plumbing, electrical, design/build construction management and mechanical construction in the GTA.
Magtech Mechanical Systems Magtech Mechanical Systems offers HVAC services including installation, retrofit, service and maintenance in the GTA.
Main Air Systems Inc (branch under: Smith & Long Mechanical Limited)
Major Air Systems Ltd. Founded in 1983, Major Air Systems Ltd., based in Richmond Hill and operating in the GTA, is a HVAC company that focuses on proactive maintenance resulting in reduced failure rates and downtime. For over 35 years we have performed mechanical upgrades, overhauls and replacements.
Mapleridge Mechanical Contracting Inc. Mapleridge Mechanical clients’ satisfaction and confidence can be traced back to solid experience and continual improvement at Mapleridge Mechanical. Established in 1988, with our roots in serving the HVAC and Refrigeration industries, the company has since expanded to a full mechanical contractor.
Margell Mechanical Contractors Ltd.
Mayfair Systems
MDF Service Inc.
Mechanical Aire Services Ltd.
Metal-Air Mechanical Systems Ltd. Since 1985, our locally owned and operated company has continued to expand in order to meet the growing demands of the industries we serve. Metal-Air Mechanical Systems Ltd. is a Greater Sudbury based mechanical contracting company which services the industrial, commercial and institutional markets. As a multi-disciplined contractor, we offer a variety of services to our customers, such as: heating / ventilation / air conditioning / refrigeration, ammonia, sheet metal fabrication and installation, mine ventilation, plumbing and pipe fitting, electrical and building automation systems.
Mike Witherell Mechanical Ltd. Mike Witherell Mechanical offers services in refrigeration, heating, air conditioning, solar, electrical, testing and inspections.
Mitchell Refrigeration Limited
Modern Niagara Group of Companies
MSB Mechanical Ltd MSB Mechanical Ltd offers various mechanical services in HVAC, Heating, Plumbing, and refrigeration. We range from large commercial mechanical construction projects, and installs, to various HVAC services requests and maintenances throughout the GTA.
MSB Mechanical Ltd.
Multitech (formaly ENGIE)
N.L. Clarke Service Ltd. London (branch under: Trane)
National Mechanical Air Ltd. National Mechanical Air Ltd. is a commercial HVACR company providing services across the GTA.
Neelands Group Limited Neelands Group CO2 refrigeration and cooling systems provide a high performing resilient solution. Let us show you that you can improve your bottom line while meeting your sustainability objectives.
Nelco Mechanical Limited Refrigeration, HVAC, Plumbing, Heating, Electrical and Service. Commercial/Industrial/Institutional in the ICI Sector.
Nexus Mechanical Group Inc
Nexus Mechanical Group Inc.
Nortek Mechanical Services
Northern Air Environmental Technologies Inc. Since 1968 Northern Air has been a leading provider of design-build projects, and the continued care of buildings with our extensive maintenance programs. Serving the ICI & Multi-Res sectors.
Nortown Air Systems Commercial/Industrial Heating & Cooling, Service & Installation.
Ontario Air Systems Limited (branch under: Dunlis Mechanical Services Ltd.)
Ontario Heating and AC Limited
OPUS Mechanical Services Ltd. Based in Vaughan, Ontario OPUS is a full service Mechanical Contractor specializing in Plumbing, Sheet Metal, Ventilation, Air Conditioning & Refrigeration skilled trade offerings in the Industrial, Commercial & Institutional markets.
Pamar Mechanical Ltd. Pamar Mechanical Ltd. offers HVAC services in the GTA.
Penn Refrigeration
Plan Group Inc
Polair Technologies Inc. (branch under: Ainsworth Inc.)
Pro-Tech Mechanical Services Limited
Pure Mechanical Group Inc
R & R Mechanical Group Inc.
R.E. Corner Refrigeration
RCI HVAC & Automation 2629574 Ont. Inc - ( Formerly - Roper Controls )
ReadAir Mechanical Services Ltd. Service excellence above all. Heating, ventilation, air conditioning, and refrigeration (HVAC/R) for the industrial, commercial and institutional sectors
Reliance Home Comfort
RHA Environmental Inc. RHA Environmental provides clients with prompt, reliable, service to many types of heating, air conditioning and refrigeration systems throughout the Barrie and Central Ontario region.
Robcan Air Conditioning Ltd.
Roberts Onsite Inc.
Rosetown Central Refrigeration and Air Conditioning Ltd.
S.I.G. Mechanical Services Limited
Seguin Morris Inc
Sensible Heating & Air Conditioning Ltd.
Servocraft Limited ICI Sector / Electrical & Mechanical Contractors and Engineers
Siemens Building Technologies Ltd. (branch under: Black & McDonald Limited)
Smith & Long Mechanical Limited
Snow's HVAC Services Sales and Service of Commercial and Industrial Heating, Ventilation, Air Conditioning and Refrigeration equipment.
Springbank Mechanical Systems Ltd. Ontario’s Premier Shopping Centre/Retail Specialist HVAC Contractor
Standard Mechanical Systems Ltd. Commercial Air Conditioning, Heating, Refrigeration & Energy Management Service & Installation. In business 44 years with 35 Offices/Depots across Canada
Summit Mechanical
Sundawn Integrated Services Inc.
Superior Air Systems
Superior Boiler Works and Welding Limited Superior Boiler Works & Welding Ltd. (“SBWW”) was founded in 1962 as a business specializing in the installation, service and repair of Boilers and Pressure Vessels. Over the past 55+ years, we have grown into one of our area’s largest General Contractors with divisions in HVAC/R, Mechanical, Electrical and Manufacturing that act as a team to create the successful company we are today. Our HVAC/R Division provides complete installation and service. SBWW provides quality design, installation and service for Heating, Ventilation, and Air Conditioning (HVAC) equipment in commercial and industrial markets and strives to maintain the highest level of design and engineering possible. Our service team provides preventative maintenance and 24/7 emergency Service repairs to customers who range from small commercial retail to large commercial and industrial plants. The SBWW Team is committed to delivering high quality products and services that satisfy our customers with whom we have established longstanding relationships.
Temp Air Control
Temp Wise Design & Maintenance
The State Group Inc.
Thermal Mechanical Systems Incorporated
Trane Commercial Sales Office
Trane Supply
Trans Air Mechanical Ltd. Commercial/Industrial; Air Conditioning, Heating, Refrigeration, Humidification, Sales, Service, Installation.
Tri-Air Systems Commercial/Industrial heating, air contioning and refrigeration, service, maintenance and installation.
VCI Controls
Weiss Service Associates Inc.
Westaire Air Conditioning & Heating Ltd.
Wintech Air Systems Inc. (branch under Modern Niagara Group of Companies)
Xtra Mechanical Limited Commercial/Industrial Heating, Ventilation, Air conditioning & Controls Service and Installation
Yorktowne Air Inc