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.

Oomi Energia is an electric company that values straightforward services as well as humane customer service. They already have more than 400,000 satisfied customers. They are rooted in local energy companies.

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.

OPEC (Organization of the Petroleum Exporting Countries) is a permanent intergovernmental Organization of 13 oil-exporting countries: Algeria, Angola, Congo, Equatorial Guinea, Gabon, IR Iran, Iraq, Kuwait, Libya, Nigeria, Saudi Arabia, the UAE and Venezuela. Its mission is to coordinate and unify the petroleum policies of Member Countries and ensure the stabilization of oil markets.

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.

OpenSynergy specializes in embedded software development and has been at the forefront of Bluetooth® development for more than 25 years. Blue SDK and RapidLaunch SDK are the Bluetooth industry-renowned solutions for Automotive integrated by OEMs and Tier1s in more than 350 million cars worldwide and broadly adopted in Medical, Industrial, Mobile, and Consumer applications, now deployed in over 1 billion embedded devices.

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.

At Orb Energy, they provide a range of solar energy solutions from ground-mounted and rooftop solar PV systems to solar water heating solutions.

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.

Oshora offer pioneer solutions and bringing together various technologies from world leaders to meet the IT, Tech Gadgets, Networking & Lifestyle needs of distributed Enterprises. OSHORA.COM strong industry hold and ability to translate customer needs into actions and a highly professional and motivated team have been the key factors in building an ever-growing list of satisfied lists of customers.

OSI Electronics has provided Manufacturing Solutions of the highest quality, reliability, and customer support. They specialise in customised Manufacturing Solutions with the portfolio of services, capabilities, and factory locations needed to provide the customers with a competitive advantage in the global marketplace.

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

Ostrom is a Certified B Corp™ digital energy management platform based in Berlin that makes green electricity affordable and straightforward for households in Germany.

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

Oxxio is the smart energy supplier of 100% green electricity and gas, founded in 2000. They are now the fourth energy supplier in the Netherlands. Oxxio is located in Hilversum and has approximately 220 employees. Oxxio thinks along with customers.

OXYWELD since many years is a reliable partner of many manufacturers and repairers of large and small transformers. Thanks to the quality and high temperature of the flame, this technology can offer many advantages.