ReVision Energy is an employee-owned solar company with over 15,000 installed systems in Maine, New Hampshire, and Massachusetts.

RevoluSun offers solar panel installation and is Hawaii’s number one residential solar battery storage, Solar Hot Water, and Solar Powered Air Conditioning experts.

Rexel Canada Inc. operates throughout Canada under four banners, Nedco, Westburne, Rexel Atlantic and Rexel Utility. These acquisitions established United Westburne as a major nationwide distributor of electrical, electronics and telecommunications products to the commercial and industrial market sectors.

Rexnord, a Regal Rexnord Corporation Brand, keeps industry moving with a broad portfolio of highly engineered mechanical components and smart solutions including bearings, conveyor belts, couplings, gear drives, industrial chain and more. They are committed to keeping customers running reliably and efficiently across the automotive, food & beverage, energy, cement, mining and forest industries.

Rfmw Innovations Lab Designs, develops and manufactures the RF components and Subsystems for SIGINT, ELINT and COMINT systems for Land, Airborne and Navel Platforms.

It is their mission to provide high-value RF-Optical solutions with superior performances to the 5G/5G testing emerging markets, and the EW/Radar/Satcom defense markets through cooperation with strategic partners.

Over 30+ years of progressive experience in Mechanical Engineering, HVACR Project Management, Energy Management, Facilities Management, Project Management, Financial Management, HVACR Training and Development, Research, and Management Consulting Models.

Rheinmetall is a globally active, integrated technology group that develops and sells components, systems, and services for the security and civil industries. Rheinmetall draws on its high level of expertise in its basic technologies to address long-term megatrends, identify viable new markets with high growth potential, and develop innovative solutions for a safe and liveable future.

RHYMEBUS CORPORATION is a professional manufacturer of AC Inverter, Auxiliary Control Equipment, and Project Design of Automation Control System Integration.The remarkable accomplishments of Rhymebus Inverters applications cover the ranges across the fields of Textile, Food, Transportation, Plastics, Fluid, Treadmill, etc.

RIC Electronics is the expert in research, development, and continual innovation to supply our customers with the most rugged and reliable industrial power solutions on the market.

Ricardo plc is a world-class environmental, engineering, and strategic consulting company. Ricardo provides exceptional levels of technical expertise in delivering leading-edge and innovative cross-sector sustainable solutions to solve clients’ most complex strategic and operational challenges.

Richards Manufacturing Co. is a premier manufacturer of overhead and underground electrical and gas distribution products. Headquartered in Irvington, New Jersey, the company serves blue-chip utilities and electrical distributors in the United States and internationally.

Richman Universal Sourcing Co., Ltd. is a small Guangdong-based manufacturing and export trading company (established ~2010) focused on gear transmission products — such as helical gearboxes, worm gear reducers, screw jacks, and speed reducers — which they sell globally including to Southeast Asia, Middle East, and Europe.

Ridgemount Technologies is a UK-based technology business that designs and manufactures fibre optic connectors and sub-systems to serve applications in the Telecom, Defence, Broadcast, and Industrial markets around the world.

Ridings Consulting Engineers India Ltd. is a company at the leading edge of technology, providing an entire range of services in the field of surveying, mapping and Geospatial Services.

Riello Power India Pvt. Ltd., a wholly-owned subsidiary of Italy’s RPS S.p.A., designs and manufactures a wide range of online UPS systems—from 6 kVA to 6,400 kVA—at its advanced Manesar facility, serving diverse sectors like data centers, healthcare, defense, telecommunications, and industrial.

RIGOL focus on the cutting-edge technology development and breakthrough in the field of general electronic measuring instruments. Their mission is "enabling technology exploration, empowering possibilities and more". RIGOL has become a well-known high-tech enterprise in the test and measurement industry.

Rigol test solutions combine uncompromised product performance, quality, and advanced product features; all delivered at extremely attractive price points. Their solutions delight customers in many applications, such as technical education, embedded design, WiFi integration, EMC, and manufacturing.

Rimfire Energy is a privately-owned electricity business that has been operating in the Northern Territory since 2014. With more than 40 years of relevant electricity industry experience, they are the fastest growing electricity retailer servicing the Northern Territory market. Their team is here to provide customers with competitive energy and to drive competition in the energy supply sector.

Ring believes distance shouldn't separate them from what they care about. That's why they are on a mission to keep people close to what's important. As a company, they are focused on helping the customers connect with the places, people and things that matter to them.

Ripley PR is an award-winning, global public relations agency providing services across a spectrum of industries, including skilled trades (home service - HVAC, plumbing, electrical; construction; engineering), B2B technology, manufacturing, franchising, and B2B professional services. It was named to Forbes’ America’s Best PR Agencies of 2021 list and has been ranked by Entrepreneur in the Best Franchise PR Agencies list three years in a row.

Rishabh Instruments Limited is an organization that has built its core competence in manufacturing, design and development of Test and Measuring Instruments and Industrial Control Products on strong fundamentals; in terms of people, infrastructure and financials.

Rittal is a global provider of solutions for industrial enclosures, power distribution, climate control, and IT infrastructure, as well as software and services. Rittal solutions can be found in more than 90 percent of all industrial sectors worldwide. Systems made by Rittal are deployed across a variety of industrial and IT applications, including vertical sectors such as the transport industry, power generation, mechanical and plant engineering

RMA Technologies Inc. is the entire electronics engineering and manufacturing department. They provide electronics hardware, software, and mechanical design as well as manufacturing services for your products. Their experience coupled with comprehensive procedures and checklists help them get it right the first time!

At RMC Switchgears, they believe that corporate social responsibility (CSR) is a vital component of our business operations. They are committed to using their resources and expertise to make a positive impact on society and the environment.

RMW Industries, has the best manufacturing facilities in the industry. Their manufacturing facilities were specifically designed and equipped to manufacture a wide variety of coil springs. All of the springs are designed with the customers' high standards in mind, so users can always rest assured that users are getting the best springs of the application requirements.

Roanoke Electric Cooperative is an electric distribution system providing service to over 14,000 members in the northeastern corridor of North Carolina.

Robell Control Systems Limited offers control systems for fan coil unit control, natural ventilation, power auto-changeover panels, energy conservation, lighting control, fault monitoring systems, and energy consumption monitoring. They are experienced in all aspects of heating ventilation controls systems (HVAC), environmental, and air-conditioning controls.

Robert Bailey Electric continues to lead the way in electrical contracting across Arkansas. Since 1972, they’ve specialized in projects of all sizes and complexities, delivering reliable solutions tailored to the unique needs of both Commercial and Industrial clients.

Robin Hood Energy was the UK’s first local authority owned, not-for-profit energy supplier. The business was sold to British Gas in 2020 and closed in 2021.