Mimram Engineering Services Limited offers services for residential, commercial, educational and healthcare clients across London, Home Counties and South East of England. They provide services like lighting, power, security systems, voice/data, plumbing, heating, ventilation, air conditioning, duct work and building management.

Mitsubishi Heavy Industries, Ltd. delivers innovative and integrated solutions across a wide range of industries from commercial aviation and transportation to power plants and gas turbines, and from machinery and infrastructure to integrated defense and space systems.

At Modutherm, they offer a wide range of efficient and powerful heating solutions, from the best-performing HIU on the market, the MTA Plus Twin, to the powerful AW Monobloc air source heat pumps. Paired with commercial gas or electric boilers, as well as large-scale buffer vessels and calorifiers, Modutherm can provide a complete package for the next heat network project.

Molex is a global electronics leader committed to making the world a better, more-connected place. With a presence in more than 40 countries, Molex enables transformative technology innovation in the automotive, data center, industrial automation, healthcare, 5G, cloud and consumer device industries.

MOS Mechanical offers a complete building, building maintenance and building renovation service. The company's building, maintenance and renovation division can always deliver the best quality, design, and value for money end product, be it domestic, commercial or just a simple revamp of a room.

Movex Equipment specializes in the distribution of dust filtration and fume extraction equipment to the UK and Ireland’s local exhaust ventilation (LEV) market, laboratory equipment suppliers, education boards, welding workshops and many more. Their extensive product range covers all working environments where hazardous dust and fumes form part of the working process.

Mueller Europe is based in the United Kingdom where they manufacture and distribute copper tube for plumbing, heating, and industrial applications under the Wednesbury and Yorkshire brands. They also distribute air-conditioning and refrigeration copper tube under the Mueller brand.

NMBS (National Merchant Buying Society) is the UK’s largest buying group for independent builder’s, plumbing and heating, timber, and hardware merchants.

Neighborly® is the world's largest home services company with more than 30 brands and 5,500 franchises collectively serving 12 million+ customers in six countries, focused on repairing, maintaining, and enhancing homes and businesses. Through Neighborly.com and the Neighborly mobile app, Neighborly connects consumers to local service providers that meet rigorous franchisor standards across 19 service categories.

Nexia is a globally renowned smart home systems provider based out of Broomfield, Coloroda, USA. They provide home automation systems, climate control solutions, energy sustainability solutions and IoT devices.

NG Bailey is the UK’s independent engineering, rail, IT, and facilities services business with a deserved reputation for excellence. They offer integration from the outset of a project, from planning and design through the supply chain, to offsite manufacture, installation, and maintenance.

Northrop Grumman is a global security company providing innovative systems, products and solutions in unmanned systems, cyber, C4ISR, and logistics and modernization to government and commercial customers worldwide.

NRB Inc. is an established and reputable leader in off-site commercial modular construction and building automation systems. They provide a faster, more sustainable alternative project delivery method. From innovative design engineering through off-site fabrication in a controlled environment, to final on-site completion, their projects range in size and scope and include a wide range of applications.

NSI brands bring seventy years of expertise in the HVAC industry, from tools and adhesives to machinery designed to make insulation fastening efficient and trouble-free.

NTT DATA – a part of NTT Group – is a trusted global innovator of IT and business services headquartered in Tokyo. They help clients transform through consulting, industry solutions, business process services, digital & IT modernization and managed services. NTT DATA enables them, as well as society, to move confidently into the digital future.

Nu-Mun Contracting is a Calgary based plumbing company formed by Doug Muncaster in 1989. They provide sheet metal installations for commercial, industrial and residential applications. The company also offers air conditioning, residential plumbing, commercial plumbing, and other HVAC solutions.

nVent RAYCHEM is a provider of heat-trace management systems for infrastructure, industrial, commercial and residential buildings, with operations globally. They help customers enhance productivity and reduce their costs by simplifying installation and minimize downtime during operation.

Since 2000, Oakleaf Commercial Services has been providing high quality, professional, property maintenance and construction services. They also offer a wealth of services including responsive repairs, building construction, modernizations and adaptions, grounds maintenance, fleet services, a PVC-u manufacturing facility and a bespoke joinery workshop.

Ofgem is Britain’s independent energy regulator. Their role is to protect consumers now and in the future by working to deliver a greener, fairer energy system. They are a non-ministerial government department and an independent National Regulatory Authority.

For more than half a century, OJ Electronics have been designing and developing electronic controls for electric underfloor heating and HVAC Controls & Drives. They give access to deep application knowledge and innovative power and help differentiate themselves in the market. They are here to help build their customers’ business.

One Hour Heating & Air Conditioning® of Lee's Summit is the most trusted source of HVAC services in the Lee’s Summit area. Their team of Lee's Summit heating and cooling technicians are highly trained and licensed, so that they can provide the best Lee’s Summit HVAC repairs, installation, and maintenance possible.

OpenTherm is a non-manufacturer-dependent system of communication between modulating HVAC appliances and room thermostats. It consists of a communication protocol and an interface specification. The OpenTherm communication protocol is primarily designed to control modulating heating appliances. The protocol is available to members of the OpenTherm Association only.

Orell Filtration is based in Stalybridge and supplies Dust Extraction Equipment, Bulk Bags, Air Filters, Filtration Products, Filter Fabrics, Filter Sleeve Bags, Multipockets, and much more.

OVO is on a mission through its sustainability strategy Plan Zero to tackle the most important issue of time; the climate crisis, by bringing customers with us on the journey towards zero carbon living. OVO Energy has committed to being a net zero carbon business and achieving bold science-based carbon reduction targets by 2030 while helping members reduce their household emissions at the same time.

P & R Heating provides a wide range of installation and servicing such as mechanical installation, plant room renewals, heating installation (large and small scale), hot and cold water storage and distribution, plant control installations, gas and oil servicing and maintenance, periodic test and inspection, emergency lighting and much more.

Panasonic is the premier manufacturer of powerful, energy-efficient ventilation fans and indoor air quality solutions. We produce the highest quality, code compliant solutions available in the market today.

With a diverse network of production and R&D facilities, Panasonic delivers innovative products incorporating cutting-edge technologies that set the standard for air conditioners worldwide.

Panduit creates leading-edge physical, electrical, network infrastructure and AV solutions for enterprise-wide environments, from the data center to the telecom room, from the desktop to the plant floor. Panduit is headquartered in Tinley Park, Ill., USA and operating in 112 global locations.

Paneltex is a global leader in the refrigerated and specialised commercial vehicle body building sector. The company operates six production sites in the UK, offering a wide range of first class products.

The Passive House Institute (PHI) is an independent research institute that has played an especially crucial role in the development of the Passive House concept - the only internationally recognized, performance-based energy standard in construction.