As the province’s largest clean power generator, Ontario Power Generation (OPG) operates one of North America’s most diverse generating fleets. They are now advancing several clean energy innovations, including Small Modular Reactors, low-carbon hydrogen, and energy storage, to help set Ontario and the world on the path to an electrified future, where more aspects of life – from cars to homes and industries – are powered by clean electricity.

Ontrak Control Systems has been designing and manufacturing serial data acquisition interfaces since 1986. The majority of their business consists of custom design of interfaces for a wide variety of applications including, automotive, medical instrumentation, industrial, SCADA, laser control, vending, and R&D.

Oorja Technical Services Pvt. Ltd. is a young and dynamic organization, which has grown steadily in the last decade. It has been a front runner in the field of industrial electronics Et electrical and scientific calibration services.

Open Systems International, Inc. (OSI) is the pioneering supplier of open automation solutions for real-time management and optimization of complex production, transport and delivery networks for utilities in the electric, oil & gas, transport and water industries as well as large industrials, data centers and campuses.

Opera Electronics Inc. develops and manufactures a range of indoor air quality and gas sensors for buildings. The core applications of the company are vehicle emissions monitoring in car parks, refrigeration gas leak detection, and combustible gas monitoring in HVAC plant rooms.

Oplana is a recruitment and consulting company that also has its own manufacturing and training. The business idea is to contribute in an innovative and unconventional way to solving the industry's increasingly complex challenges and resource needs.

OPTI International Corporation is a Power Protection Company with their own brand name (OPTI-UPS) since 1991, and entered the solar power business in 2006 with this brand name, “OPTI-Solar”, focusing on lifestyle and boutique solar products. They offer employees an excellent working environment and great advancement opportunities.

Orbia is a company driven by a shared purpose: to advance life around the world. Orbia operates in Polymer Solutions (Vestolit and Alphagary), Building and Infrastructure (Wavin), Precision Agriculture (Netafim), Data Communications (Dura-Line) and Fluorinated Solutions (Koura) sectors.

Orenda Pulverizers Inc. has been in the size-reduction business since 1996. They design, engineer, manufacture and service pulverizing/micronizing systems. In short, they help their customers make finer, higher-quality powders from polymers and other materials.

Orient Electric Limited (OEL) is part of the diversified USD 2.4 billion Indian conglomerate CK Birla Group. A distinguished name in the Indian fan industry for more than 60 years, OEL has today established itself in the market as a one-stop brand for lifestyle electrical solutions which include Fans, Lighting, Home Appliances and Switchgears.

Origin is one of Australia's energy companies, exploring, generating and delivering energy to over 4 million customer accounts. Their purpose – getting energy right for the customers, communities and planet – drives everything they do.

With over five decades of experience, Ormat Technologies, Inc. is a leading geothermal company and the only vertically integrated company engaged in geothermal and recovered energy generation (“REG”) as well as Energy storage solutions, with the objective of becoming a leading global provider of renewable energy.

ORPC is a globally renowned company in proven, reliable underwater systems generating predictable, clean energy from free-flowing rivers & tides. ORPC improves people’s lives and their environment through sustainable energy solutions. ORPC is pursuing strategic and financial partnerships to expand their operations in North America, South America and Europe, and supply their commercial power systems and expertise worldwide.

Oso Electric Equipment is engineering the next generation of patent-pending, commercial-grade lawn mowers. And it's all electric.

Oswal Cables is the manufacturer of bare aluminum conductors for overhead power transmission and distribution lines across the nation. OC has successfully developed other verticals and has diversified into manufacturing of Multi-strand Power Conductors, Cables and Power Generation Sector.

OverIT streamlines Field Service Management operations through state-of-the-art products, to increase productivity, efficiency and safety of industry-leading companies. Recognized as 'Leaders' and 'Visionaries' by the major IT consulting firms, OverIT serves the Energy & Utility, Oil & Gas, Industrial Manufacturing and Transportation industries with specific product templates.

The Ovia brand of lighting solutions has been further developed to meet the growing opportunities that the transformed lighting industry offers. Their aim quite simply is to bring to market a range of Ovia® lighting products that will provide contractors with the quickest and easiest to install lighting solutions that will save them time and money on a project.

OVO Energy was founded in 2009 and redesigned the energy experience to be fair, effortless, green and simple for all customers. OVO Energy has committed to being a net zero carbon business and achieve bold science-based carbon reduction targets by 2030, while helping members reduce their household emissions at the same time.

OVT India is the manufacturer of TV set top boxes in India, with our state-of-the-art research and development facility based in Bangalore. Their commitment to innovation and quality has established them as the largest set top box manufacturer in the country.

Ocean Winds (OW) is an international company dedicated to offshore wind energy and was created as a 50-50 joint venture, owned by EDP Renewables and ENGIE. Based on the belief that offshore wind energy is an essential part of the global energy transition, they develop, finance, build, and operate offshore wind farm projects all around the world.

Owen Electric has delivered top-quality workmanship and outstanding customer service. They remain committed to the safety of their employees, committed to quality and committed to customer service. From the beginning, they have sought to hire the very best people in the industry

OZZ Electric is a full service electrical contractor, specializing in large scale projects as well as high profile design/build work. OZZ Electric is involved in a wide array of diverse and complex projects in the Multi-Residential, ICI, Data Communications & Service markets

Østerbø Maskin AS is located between high mountains in scenic surroundings. Users will find innovative ideas, exciting product developments, and versatile quality machines. Their main areas of focus are: • Import and sale of machines and power units • Design and production of tailored electromechanical products for offshore, aquaculture and industry.

At P&V, they are always one step ahead. They engineer, build, maintain and upgrade distribution boards and control panels – of all makes and sizes and for all possible uses. As a specialist in their field, they want to offer the best possible solution for the challenge, not only in terms of the price-to-quality ratio, but also in operational certainty and delivery time.

PacB Power Solutions is renowned in the industry as a manufacturer of superior quality Industrial Diesel Generators, unbeatable Uninterrupted Power Supplies, cutting-edge Renewable Energy Solutions and reliable Rental Services.

PACCAR is a globally renowned technology company in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks, under the Kenworth, Peterbilt and DAF nameplates. PACCAR also designs and manufactures advanced diesel engines, and provides electronic parts and components, financial services, information technology, and distributes truck parts related to its principal business.

Pace Electricals is one of the pioneer HT/LT Electrical Contractors and Service Providers.

PACE was established in 2001 and has since grown into a leading OEM (Original Equipment Manufacturer) supplier, O&M Service provider for Tower-cos & Op-cos and Solar Solutions. PACE has introduced its Solar powered solutions to Tower-cos & Op-Cos and has been a pioneer in developing solutions utilizing green energy.

PacificLight is a Singapore-based power generator and electricity retailer. They are a one-stop energy partner for businesses, providing unparalleled services and competitive prices, firmly establishing the position in the Singapore market.

Page Electronica is a team of about 150 skilled employees, and equipment for general electronic assembly, test and repair.