Odice, founded in 1983, is a specialist in passive fire protection. Odice is the leader in the development, transformation and production of intumescent joints and thermal insulating materials.

Odyssey Fire Protection LLC was founded on the idea of incorporating old school principles and training techniques with technologically advanced methods and modern equipment. WThey constantly train employees on the latest code updates, safety practices, and learn cutting edge technologies and methodologies to stay on top of the industry.

OFQUAL is the regulator of qualifications, exams and assessments in the United Kingdom (UK). They maintain standards and confidence in GCSE, A level, as level, vocational and technical qualifications and apprenticeship end-point assessments.

OGNIOCHRON S.A. is an unquestionable leader on the market of portable fire extinguishing equipment in Poland, known and present also in other European Union countries, where it systematically strengthens its position.

OHEAP are specialists in the fire protection and security industry, providing fire protection equipment, servicing, maintenance, and much more. They are proud to have a maintenance service network throughout the United Kingdom

Oil Technics (Fire Fighting Products) Ltd has been providing customers worldwide with innovative specialist cleaning and fire protection products that are: Effective, Environmentally friendly, Economical, Internationally accredited and Often unique. They supply and service contracts with world class oil exploration, production and service companies.

Oina offers customized solutions for liquid and gas handling, including peristaltic pumps, piston pumps, diaphragm pumps, valves, tubing, fittings and more.

Olympian Fire was formed in 1991 by a team of highly experienced managers and engineers. The company has over 60 years of industry experience and have established themselves as one of the UK’s independent fire systems companies.

Onetrace is the easiest way to manage projects, while providing complete traceability and transparency between companies and their clients.

OpenView Security Solutions (OSS) is a collaborative turnkey systems integrator for security, electrical and fire compliance. Their services include the design, installation and maintenance of the latest, fully compliant security, fire, IT infrastructure and electrical services and solutions. OpenView offers a range of Fire Detection Services that use the most technologically advanced equipment to meet all regulatory and third party requirements.

Optima Systems create beautiful interiors with exceptional, flawlessly crafted, glazed partitioning systems. They have manufacturing facilities in the UK and in Malaysia. Their design teams work with the latest BIM technology and their highly trained and experienced installation teams ensure they meet the highest standards on-site.

Optimum Drywall Systems Ltd, based in Bristol, is one of the largest Drylining and Plastering contractors in the South West of England. At Optimum Drywall Systems we strive to build quality projects, safely, on time and on budget.

Opus Research is a diversified advisory and analysis firm providing critical insight on software and services that supports digital transformation. Opus Research is focused on the merging of intelligent assistance, NLU, machine learning, conversational AI, conversational intelligence, intelligent authentication, service automation and digital commerce.

Orange Fire Protection Group are the designers, suppliers, installers and maintainers of low pressure water mist systems, residential and domestic sprinkler system, wet risers and dry risers.

Organon is a global healthcare company with a portfolio of therapies and products in women’s health, biosimilars, and established medicines across a wide array of conditions and diseases. Their mission is to deliver impactful medicines and solutions for a healthier every day.

Orion Security Solutions designs, installs and maintains integrated security and fire systems.

Orisec is the fastest growing UK manufacturer and distributor of intruder alarm equipment. They are committed to providing premium quality equipment, which is both reliable and easy to install. Founded on invention and innovation with a focus on exceptional design and performance, they have filed in excess of 300 patents, registered designs and trademarks.

ORR Protection has been in the business of protecting people, property and the environment since 1971. They are America's preeminent fire protection company for businesses with mission critical operations. They deliver exceptional value by providing innovative solutions, anytime/anywhere responsiveness, special attention to detail, and an unwavering commitment to customers and associates.

Osborn Engineering is a fully integrated multi-disciplined design firm that uses a specialized team approach to engineering and fire safety installation projects. They have specialists in civil, structural, electrical, mechanical, fire protection, and technology engineering and commissioning and construction administration.

Oscar Acoustics serve Great Britain providing architectural acoustic finishes for buildings across many different sectors and industries, advocating the health and wellbeing of all those who enter them. With their extensive range of recycled, seamless, acoustic, decorative finishes they enable designers to create beautiful, calm and inviting, modern spaces that sound as good as they look.

Owens Corning develops, manufactures, and markets insulation, roofing, and fiberglass composites. Global in scope and human in scale, the company’s market-renowned businesses use their deep expertise in materials, manufacturing and building science to develop products and systems that save energy and improve comfort in commercial and residential buildings.

P. Gibson has developed into providing the solutions to fire protection mechanical and electrical interfacing. To the sprinkler companies they offer wiring of sprinkler pump houses, life safety systems, zone checks, trace heating and lagging. To the fire alarm companies they offer wiring of flow switches, sprinkler flow switches and pressure switches.