61,984 articles
ONVIF
ONVIF (Open Network Video Interface Forum) is a nonprofit industry forum founded in 2008 by Axis, Bosch, and Sony to standardize IP security product interfaces.
Onvo (乐道)
Onvo (乐道) is a family-oriented smart electric vehicle brand of the Chinese automaker NIO, launched in Shanghai in May 2024; its first model is the L60 SUV.
Onward Energy Holdings
Onward Energy Holdings is the holding company of Onward Energy, a private American power producer owning wind, solar, and natural gas plants across the United States.
onXmaps, Inc.
onXmaps, Inc., doing business as onX, is an American outdoor navigation company in Missoula, Montana, founded by Eric Siegfried in 2009 to show land ownership on GPS apps.
Onyx Coffee Lab
Onyx Coffee Lab is an American specialty coffee company founded in Springdale, Arkansas, in 2012 by Jon and Andrea Allen, named the world's best coffee shop in 2026.
Oofos
Oofos is an American footwear company founded in 2011 and headquartered in Braintree, Massachusetts, that makes cushioned recovery sandals, slides, and clogs designed to reduce stress on feet and joints.
Oooguruk Oil and Gas Field
The Oooguruk Oil and Gas Field is an offshore Alaska North Slope field producing since 2008 from an artificial gravel island in Harrison Bay, Beaufort Sea, now operated by Hilcorp.
Ooredoo (أريدو)
Ooredoo (أريدو) is a Qatari telecommunications company, formerly Qtel, serving nearly 150 million customers across nine markets in the Middle East, North Africa, and Southeast Asia.
Oosterscheldekering
The Oosterscheldekering (Eastern Scheldt storm surge barrier) is a 9 km movable flood barrier in Zeeland, the largest of the Netherlands' Delta Works, opened in 1986.
OP-TEE
OP-TEE (Open Portable Trusted Execution Environment) is an open-source Trusted Execution Environment for Arm Cortex-A cores using TrustZone, isolating trusted applications from Linux and implementing the GlobalPlatform TEE APIs.
OPaL Dahej plant
The OPaL Dahej plant is a petrochemical complex at Dahej, Gujarat, India, owned by ONGC Petro additions Limited and built around a dual-feed cracker commissioned in 2017.
OPAL Fuels Inc.
OPAL Fuels Inc. is an American renewable energy company in White Plains, New York, that converts landfill and dairy farm biogas into renewable natural gas for trucking.
OPAL Gas Pipeline
The OPAL gas pipeline (Ostsee-Pipeline-Anbindungsleitung) is a 473-kilometer natural gas pipeline in eastern Germany connecting Nord Stream 1's landfall at Lubmin to the Czech border.
OPAL-RT
OPAL-RT is a Canadian technology company founded in Montréal in 1997 that builds real-time simulators such as RT-LAB and HYPERSIM, used by utilities, automakers, and universities for hardware-in-the-loop testing.
Opay
OPay, formerly Paycom Nigeria Limited, is a Nigeria-based fintech company offering payments, transfers, savings, and loans across Nigeria, Egypt, Indonesia, and Pakistan, with 50 million monthly active users.
OPC Energy
OPC Energy is an Israeli independent power producer founded in 2010 as the first private electricity company in Israel, now operating in the United States too.
OPC Unified Architecture
OPC Unified Architecture (OPC UA) is a platform-independent, service-oriented standard for machine-to-machine communication in industrial automation, released in 2008 and standardized internationally as IEC 62541.
Opcode
An opcode, short for operation code, is the part of a machine instruction or bytecode that specifies the operation to perform, such as add, load, or branch.
OPEC+
OPEC+ is a group of OPEC and ten allied oil-producing countries, formed in 2016 to coordinate production and stabilize oil markets, producing about 40 percent of world crude.
Opel
Opel is a German automobile manufacturer headquartered in Rüsselsheim am Main, founded by Adam Opel in 1862 as a sewing-machine maker and building cars since 1899.
Opel Ascona
The Opel Ascona is a mid-size car built by Opel in three generations from 1970 to 1988, winning the 1982 World Rally Championship drivers' title with Walter Röhrl.
Opel Astra
The Opel Astra is a compact car built by German manufacturer Opel since 1991, when it replaced the Kadett, and sold in the UK as the Vauxhall Astra.
Opel Calibra
The Opel Calibra, sold in Britain as the Vauxhall Calibra, is a German sports coupé built from 1990 to 1997 and the best-selling sports coupé of the 1990s.
Opel Corsa
The Opel Corsa, sold as the Vauxhall Corsa in the UK, is a small hatchback built by Opel since 1982, with six generations and over 14.5 million units.
Opel Frontera (2024)
The Opel Frontera, sold as the Vauxhall Frontera in the UK, is a compact crossover SUV built by Stellantis and revealed on 14 May 2024.
Opel GT
The Opel GT is a two-seat sports coupé built by German automaker Opel from 1968 to 1973, with a Coke-bottle-shaped body, pop-up headlights, and Kadett-based mechanicals.
Opel Insignia
The Opel Insignia, sold as the Vauxhall Insignia in the UK, is a large family car built by German manufacturer Opel from 2008 to 2022, succeeding the Vectra.
Opel Kadett
The Opel Kadett is a compact automobile model produced by German manufacturer Opel from 1936 to 1991, serving as the compact mainstay before continuing as the Opel Astra after 1991.
Opel Kadett E
The Opel Kadett E is a compact car built by Opel from 1984 to 1991, the fifth and last Kadett before the line became the Astra.
Opel Manta
The Opel Manta is a rear-wheel-drive sports coupé built by the German automaker Opel in two generations from 1970 to 1988 as a European rival to the Ford Capri.