O'Connell Electric Company is a full service electrical contractor serving New York State and surrounding regions of the northeast. They maintain fully staffed offices in Buffalo, Rochester, Syracuse and Schenectady. As one of USA's top 50 largest electrical contractors, they cover every major service segment of the electrical industry. They provide comprehensive design-build, construction, service, maintenance, and emergency response services.

O2 Power Private Limited is a renewable energy platform that develops and executes renewable energy projects for distribution utilities and C&I customers in India. It has been jointly established by EQT Infrastructure and Temasek with a total equity commitment of up to US$ 500m over the next five years.

With the Occupational Safety and Health Act of 1970, Congress created the Occupational Safety and Health Administration (OSHA) to ensure safe and healthful working conditions for workers by setting and enforcing standards and by providing training, outreach, education and assistance. The OSH Act covers most private sector employers and their workers, in addition to some public sector employers and workers in the 50 states and certain territories

Oceans of Energy is the first – and only – company in the world that has established a proven offshore solar system which has been operating for more than 3 years at full sea in high waves.

Okaya has been a symbol of trust and quality in India for 4 decades, and is a pioneer in the battery manufacturing industry. It is with this experience that today, Okaya has entered into the Electric Mobility space, offering solutions from Electric Vehicles and Electric Vehicle Batteries to EV Charging and Battery Swapping solutions.

Introducing Okaya's Power Solutions - Energize the world with their reliable batteries designed for top-notch performance. The brand has been a symbol of trust and quality for years, offering a diverse range of batteries suitable for various applications including Inverter and Solar Tubular Batteries, SMF/VRLA Battery, Solar Batteries, and E-Rickshaw battery solutions.

Oklahoma Electric Cooperative (OEC) is the largest electric distribution cooperative in the state serving consumer members in seven central Oklahoma counties. The purpose is to improve the members’ quality of life through the safe delivery of highly reliable, reasonably priced electric service, innovative energy programs, and exceptional member service.

Omicron has successfully executed many prestigious orders by supplying Sophisticated Electronic Instruments and Control Systems. Their expertise covers a wide range of technologies and industries and we have experience of working with customers at all stages of product development.

Omni Cable, LLC (OmniCable) is a premier redistributor of wire and cable, electrical products, and value-added services. OmniCable empowers our industry to be successful by providing an exceptional experience through operational excellence, accuracy and precision, and a partnership approach.

Oncor Electric Delivery Company LLC, headquartered in Dallas, is a regulated electricity distribution and transmission business that uses superior asset management skills to provide reliable electricity delivery to consumers. Oncor (together with its subsidiaries) operates the largest distribution and transmission system in Texas, delivering power to more than 3.8 million homes and businesses and operating more than 139,000 miles of transmission.

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.

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.

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.

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.

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