Members of The 61508 Association

Analox design and manufacture gas analysis and breathing air monitoring equipment, for a variety of different markets, from one-off custom design to volume manufacture.In particular we specialise in Carbon Dioxoide and Oxygen analysers for use in ambient and hyperbaric environments for commercial diving and military customers. ISO 9001 certified, with experience in designing instrumentation for SIL 2 systems.

For more than 70 years, AWE has supported the UK Government’s nuclear defence strategy and the Continuous At Sea Deterrent. We also use our nuclear know-how and technical expertise to provide innovative solutions that support the UK’s counter-terrorism and nuclear threat reduction activities.

Control and safety systems mainly in the Oil, Gas and energy sectors.

Charter Tech provides the following: 

• Burner Management Systems (BMS) 
• Combustion Control Systems
• Marine vapour Recovery Systems
• Subsea Emergency Shutdown Systems
• Process Control Systems; Operator interfaces
• Functional Safety Consultancy Services

• UKAS accredited certification of safety-related products to IEC 61508 and related standards. 
• Notified Body 2503, test & certification for equipment in explosive atmospheres (ATEX).

UKAS accredited certification activities for safety-related products, systems and functional safety capability to IEC 61508 and related standards, e.g. IEC 61511, ISO 13849, IEC 62061, EN 50271, IEC 60730, IEC 60335, CSA C22.2 No. 0.8, UL 1998, UL 991. 

• Hazard and risk analysis;
• Software certification;
• Personnel competence;
• Notified Body;
• Test & certification for equipment in explosive atmospheres (ATEX Directives);
• Assessment of machinery;
• Technical advice and training for all activities covered above.

Diageo Scotland are the world's leading premium drinks business with an outstanding collection of beverage alcohol brands.

Driven by our purpose of safeguarding life, property and the environment, DNV is a global class organization with a long standing heritage of providing clients with third party verification and technical assurance. DNV offers a wide range of services in Functional Safety to our global client base using leading industry experts. Through our UKAS accredited division DNV is able to provide third party certification, verification and FSA of products, systems and functional safety capability against IEC 61508 and other industry related standards such as IEC 61511, IEC 62061 and ISO 26262.  Through a world leading technical laboratory, here in the UK, DNV is also able to support the Cyber Security risk management aspect of functional Safety using leading security experts in the field of cyber security. DNV Risk and Technical Advisory also provides clients with technical consultancy services in all of the lifecycle phases of a project offering training, advice, guidance and facilitation of workshops ensuring compliance to the necessary international standards and regulatory frameworks.

Dow Corning manufacture Silicones

Draeger are manufacturers and suppliers of Fire & Gas field devices, associated control systems and bespoke analyser systems for all industrial segments.

Eaton is a leader in reliability, efficiency and safety with the development and supply of Crouse-Hinds series MTL system infrastructure products and protection equipment especially suited for process industries. Many of the world’s most safety-critical processes are monitored, controlled, visualised or protected by our MTL products and we are distinguished by our global network of sales and support centres, ensuring you are always safe in our hands, wherever you are.

Power generation.

Emerson is a provider of SIS equipment covering the complete safety loop from sensors through logic solver to the final control elements. Full service capability from initial assessment through specification, implementation to on-site support and ongoing maintenance.

ERM is the world’s largest advisory firm, offering unparalleled expertise across industries and finance. ERM offers Consultancy, Certification, Assessments and Training in all aspects of Functional Safety, Process Safety, and Cyber Security. The primary focus of ERMs technical safety division is supporting clients in Functional Safety, Process Safety, and Cyber Security enabling the owners, designers and operators of safety systems to plan and manage their assets and projects more safely and successfully, through the provision of advanced technologies and systems solutions. ERM can provide functional safety training programmes that are bespoke and tailored to a company’s needs bringing valuable knowledge to our customers and providing up-to-date information on issues relevant to Functional Safety. ERM is also an approved course provider for Safety Instrumented Systems training of the TÜV Rheinland Functional Safety Training Program, where successful candidates are awarded FS Engineer (TÜV Rheinland) status. ERM has also developed the ProSET® – Process Safety Evaluation Toolset which combines a family of modules allowing the user to complete full detailed design activities as part of the Functional Safety Lifecycle, as required by international standards such as IEC 61508 and IEC 61511.

ProSET® includes:

• PHA Comp: The Process Hazard Analysis Compliance Tool for use in PHA studies such as Hazard and Operability (HAZOP) studies
• SIL Comp®: The SIL Compliance Software Tool for SIL Determination, SIL Verification and Safety Requirement Specification (SRS)
• DATA Comp: The Operations & Maintenance data collection and evaluation Module

ExxonMobil, one of the world’s largest publicly traded energy providers and chemical manufacturers, develops and applies next-generation technologies to help safely and responsibly meet the world’s growing needs for energy and high-quality chemical products.

Fichtner Consulting Engineers Ltd is an independent Engineering Consultancy supporting energy and engineering projects across the UK and Ireland. Our unique combination of technical, environmental, contractual and financial skills complements a diverse range of engineering and due diligence projects. Our active involvement and presence throughout our sectors mean’s that that we have an excellent appreciation of the new and emerging technologies that are commercially available to our clients.

Fichtner provides functional safety services across various industries, working with our clients to ensure projects are compliant to IEC 61508 and IEC 61511. Our FS certified engineers are well practiced in reviewing verification documents, witnessing validations, creating proof test procedures, and supporting projects through the required functional safety assessments

Fraser-Nash act as consultants for both safety device developers and asset owners who are looking to modify or install new plant.  Our services include:

• developing instrumented safety system concept design;
• developing software for a high integrity application;
• providing independent reviews and audits for large multi-disciplined design projects
• assessing the design processes of a high integrity device against 61508 requirements.

Haden Freeman are an Independent engineering and consultancy company, offering a complete range of engineering and management services to the process industry sector: 

• Functional safety life-cycle plans 
• Process hazard and risk assessment 
• Layers of protection analysis 
• SIL determination 
• SIS specification and design 
• BPCS specification and design 
• Project and construction management 
• Testing and validation Training 
• Maintenance procedures 
• Proof testing procedures 
• Service level agreements.

The HIMA Group is a provider of secure functional safety solutions with installations on a global basis, protecting assets in the oil & gas, chemicals, pharmaceuticals, power generation and rail industries for more than 45 years, whilst ensuring continued compliance with the latest standards.

HIMA solutions provide safe and uninterrupted operation in safety-critical applications such as:

• Emergency shutdown systems (ESD)
• Burner control systems (BCS)
• Fire and gas systems (F&G)
• High-integrity pressure protection systems (HIPPS)
• Turbo machinery control (TMC)
• Pipeline management and control (PMC)

HIMA is able to work in any project structure – taking on complete projects or partial tasks, and working both directly for end customers and as part of a team with EPCs, MACs and PCS manufacturers.

HIMA solutions comply with the latest international and local safety standards, including IEC 61508/11, and are suitable for SIL 3 or SIL 4 applications.

Honeywell is a manufacturer, Integrator and Designer of Industrial control (DCS) and Safety systems (E/E/PES); Safety Instrumented Systems compliant with IEC 61508/11 to SIL 3 for ESD, F&G and BMS applications. Provider of IEC 61508/11 Consultancy services including Reliability Analysis, FS Eng Training, Introduction to IEC 61508 Training.

I&E Systems Pty Ltd is a process control systems integration consultancy that specialises in functional safety engineering.  IES has over 20 years of experience in engineering complex upgrade and replacement projects for large safety instrumented systems.  IES bridges the gaps between owners, vendors, engineers and operators to achieve well integrated systems.

Industrial Technology Systems (ITS), an industrial control systems integrator, specialises in the design and implementation of safety-related systems for chemical, nuclear, oil and gas, petrochemical and power industries.

ITS provides PLC, SCADA, DCS, Fire and Gas, Emergency Shutdown and Dual Redundant systems up to SIL 3. ITS also offers onsite support and maintenance services for these systems. 

ITI Group (formerly Servelec Controls) work in the Oil and Gas and the Power and Nuclear Industries, providing services such as: Integrated Control & Safety Systems. ESD, F&G, HIPPS, DCS, SCADA; O&G, Petrochemical; Front end engineering design, Build, Test & Validation, Installation, Commissioning, Support & Maintenance; Retrofit/Refurbishment & upgrade of Legacy Systems; HAZOP, LOPA, SIS Design, Safety Requirement Specs, SIL Verification.

First for trusted advice.

For 260 years, we have shown relentless curiosity to discover our clients' challenges and to work together to identify the best solutions. We enable better safety, technical, operational and business performance in the Maritime sector, serving clients across the globe.

Our people are trusted and respected worldwide for their deep technical expertise and professionalism. We value and build strong relationships and personal connections. Our innovation is grounded in listening to our clients and colleagues. This is why Lloyd's Register (LR) inspires confidence as a trusted advisor, supporting clients with the challenges of today and tomorrow.

Today, we are a leading provider of classification and compliance services to the marine and offshore industries, helping our clients design, construct, operate, extend and decommision their assets safely and in line with environmental expectations.

Our values: We care, we share our expertise, and we do the right thing.

Method Functional Safety provides Training, Consultancy and Product Certification services. Our work is mainly focused on Functional Safety and SIL compliance according to IEC 61508 and IEC 61511. 

=Method listens carefully to what our customers are trying to do and then work with them to achieve those aims. Our training, our advice and our products are all designed to help our clients be more successful now and into the future.

Our team serves the UK from our base in Hertfordshire. 

Moore Industries provide a wide range of accurate and reliable instrumentation solutions. Specialists in temperature measurement, process trip amplifiers, signal conditioning, pneumatic converters and industrial Ethernet I/O. Instrumentation for general, industrial, hazardous areas and safety-related IEC 61508 applications. Moore Industries offers nuclear industry qualified "EMPHASIS" assessed (STA) Trip Amplifiers, Temperature Transmitters and Process Controllers for use in safety critical, safety related applications.

Mutech provide the design of custom electronic equipment as a service, specialising in functional safety and intrinsic safety. We can assist with any part of the design cycle from design analysis only (e.g. FMEA) through to complete design of both hardware and software. Examples of equipment are emergency shutdown systems, control and communication, gas detection, specialist instrumentation and power supplies.

Mutech assemble circuits boards (PCBs/PCAs) as a contract electronics manufacturer (CEM) with third party assessment to ISO/IEC 80079-34 which provides manufacturing quality assurance for the manufacture of intrinsically safety equipment, also appropriate for functionally safety equipment.

National Gas Transmission own and operate the high-pressure gas transmission system in Britain. NGT are a SIS end-user, maintainer and are responsible for safety case management.

Established in 1978, providing Consultancy, Engineering Design and Support Services to the Process Industry. Our multi-disciplined team allows us to provide support to our Clients from:

• Project conception through to detailed design, commissioning and operational support. 
• Process & Environmental Engineering Process Simulation Studies 
• Electrical & Instrumentation Systems Process Control; DCS, PLC & SCADA systems 
• Safety Studies
• Safety Instrumented System Design 
• IT Services Installation, Supervision, Commissioning  and 24/7 Support

Process Safety Solutions are a control and safety systems specialist, providing system development, support, and maintenance services internationally to the energy Industry.

We specialise in the Project Management, Design, Development, Manufacture, Test, Installation, and Commissioning of high integrity control and safety systems. This includes on-site supervision, maintenance, system integration, support, and training.

Process Safety Solutions are the creators of the Process Safety Management Suite of software applications, designed to help manage and validate the Logic Solver for the system's entire lifecycle. Streamlining the time and process for testing the system logic, the tools provide automated validation, resulting in a more cost-effective and accurate solution for the customer.

Procon Engineering manufacture Industrial Weighing & Process Control Systems with 24/7 on site service & support.

ROAK Engineering Ltd provide consultancy, engineering design and commissioning of Functional Safety solutions, with particular expertise in the Nuclear and Defence industry.

We have a thorough understanding of IEC 61508, IEC 61511, MOD UK British defence industry standards (DEF STAN) & ONR NS-TAST-GD-003, enabling us to offer specialised expertise in this highly regulated field.

ROSAS (Center for Robust and Safe Systems Fribourg) at University of Applied Sciences and Arts of Western Switzerland (HES-SO) provides leading-edge engineering services based on Safety & Reliability, Cybersecurity, Model-Based Engineering, and Intelligent Systems. Our mission is to support companies in all the phases of their product’s life cycle. We help achieving the required level of confidence for product industrialization based on our expertise in functional safety and cybersecurity. With our model-based simulation and digitalization approach, design improvements can be detected at an early stage of development and your product can be enhanced by implementing preventive maintenance abilities. Our know-how in intelligent systems has enabled the development of different use-cases such as automated driving, teleoperation, simulation, and communication with infrastructure. This experience will help automating your product development.

Our expertise:

• Safety and reliability
• Model based engineering
• Intelligent systems
• Cybersecurity

Our fields of expertise:

• Machinery
• Automotive
• Railway
• Aerospace

Triconex by Schneider Electric is the trusted brand for safety, critical control and turbo machinery applications, in the, oil and gas, petrochemical and power industries. Providing Safety PLC’s, digital software’s, engineered solutions and services, globally.

SELLA CONTROLS is an independent engineering company specialising in the design, supply and support of integrated safety, control and automation systems, providing SIL rated safety solutions to SIL3, product development, and on-site support for a wide range of applications, including:

• High Integrity Pressure Protection
• Fire & Gas Detection 
• Emergency Shutdown 
• Tank Overfill Protection
• Burner Management
• Turbine Machine Control
• Pipeline Protection
• Integrated Control and Safety  

Issued by CSA Group / SIRA Certification in July 2001, SELLA CONTROLS has maintained its CASS certificate No 00001 for Functional Safety Management Procedures for systems up to SIL3.“

As the industry's only dedicated fully integrated automation company, Sensia brings together technical excellence with unparalleled domain experience to help oil and gas operators overcome their most complex challenges.

Sensia combines the process automation, functional safety, real-time control, IoT technologies and expertise of Rockwell Automation with the measurement, instrumentation, analysis, software, analytics capabilities and expertise of Schlumberger. In doing so, and with the use of digital technologies Sensia is creating solutions to solve specific Oil & Gas Industry problems.

Our team of domain experts integrate digitally enabled process safety solutions alongside intelligent automation to help minimise risk, improve efficiency, and enhance performance.

UKAS accredited product certification of components and sub-systems to the hardware requirements of IEC 61508-2 using CASS methodology. Creation of certified data-sets for products to assist integration of the product within a system. Notified Body for ATEX.

Supplier of safety equipment for the Process and Machinery sectors, up to SIL3. Project delivery via in-house capability or via a network of accredited integrators. On site service and support and technical support helpline.

With Safety Integrated, we’re providing an intelligent answer to the steadily increasing requirements for functional safety in machines and plants. Our comprehensive, consistent solutions for the manufacturing and process automation reliably protect people, machines, and the environment – while fulfilling current and future efficiency and flexibility requirements.

SILMETRIC provides functional safety training and advisory services for product and system designers. Our key areas of expertise include:

• The application of IEC 61508 and IEC 61511 for designers and integrators
• Designing machinery safety systems to ISO 13849 and IEC 62061
• Valve and actuator design for SIL applications
• Development of in-company FSM procedures
• Failure modes and effects analysis (FMEA) of electrical, electronic, electro-mechanical and mechanical products

SSE is a utility company predominantly located within the UK. The business comprises of Electricity generation (Fossil, Hydro & Renewables), Gas storage, Electrical contracting, Energy supply and Distribution. SSE customer base numbers over 8.5 million.

We set the standard for world-class live experiences. We bring extraordinary ideas to life, collaborating on visionary concepts, and delivering precision engineering, technical innovation, manufacturing, and production. We engineer complex movement for artists, brands, performing arts spaces, and venues around the world with our industry-leading show control and automation technology.

About Tata Steel’s European operations

Tata Steel is one of Europe's leading steel producers, with steelmaking in the Netherlands and the UK, and manufacturing plants across Europe. The company supplies high-quality steel products to the most demanding markets, including construction and infrastructure, automotive, packaging and engineering. Tata Steel works with customers to develop new steel products which give them a competitive edge. The Tata Steel group is among the top global steel companies with an annual crude steel capacity of 34 million tonnes. It is one of the world's most geographically-diversified steel producers, with operations and a commercial presence across the world. The group recorded a consolidated turnover of US $21.06 billion in the financial year ending 31 March, 2021.

Trinity Integrated Systems offers services in the following areas:

• Safety Instrumented System design, engineering , installation and commissioning.
• Development with the client of Safety Requirements Specifications
• Development of Software solutions for Safety Requirements Specifications
• Development of Software solutions for Functional Safety Management systems

As part of the UK Atomic Energy Authority (UKAEA), RACE is conducting R&D and commercial activities in the field of Robotics and Autonomous Systems (RAS). The UKAEA’s primary mission is fusion and this creates an imperative to develop remotely operated solutions to operate and maintain a fusion reactor. We know that we can only solve our grand challenge by working with others. Learning with the best is the premise of our national and international collaborations. This is taking us into adjacent fields: driverless vehicles, intelligent mobility, smart infrastructure and asset integrity management as well as advanced control systems, augmented reality and autonomous systems. RACE was formed specifically to enable industry. Success measures include jobs and growth in the private sector and forming international collaborations to deliver global impact.

UL is dedicated to helping customers navigate the complex technical and regulatory challenges of todays' functional safety landscape. With our extensive certification expertise and holistic approach to safety engineering and assessment, UL can help clients identify, specify and determine the functional safety required for products and systems to key standards and ratings to meet their objectives.

This includes assessment and certification to the following standards:

• IEC 61508;
• IEC 61511;
• IEC 62061, ISO 13849, IEC 61800-5-2, IEC 61496, IEC 61131-6;
• EN 50126, EN 51028, EN 50129;
• IEC 62619, UL 9540;
• EN 50495;
• IEC / UL 60730-1, UL 1998, UL 991, IEC / UL 62841;
• ISO 26262;
• ISO 21448, UL 4600;

Plus functional safety training programs for professionals and experts covering the above standards.

Uniper generate and distributing electricity, and retail power and gas.

WITTENSTEIN high integrity systems are experts in embedded RTOS and Middleware technology with a specialisation in safety certified software. Supplying advanced RTOS and Middleware components across a broad range of market sectors and applications, from basic embedded designs, up to complex safety systems demanding the highest levels of certification. 

We provide quality consultancy, design, engineering, procurement, construction and project management, validation and term services to clients in industry. We acquired industrial specialists CEL International in 2007 and now have over 50 years’ experience of successfully delivering process engineering projects globally in a number of specialist sectors that include pharmaceutical, oil and gas, chemical, fibres, food and beverage, and specialist equipment/machines.

Yokogawa has over 50 years of experience in the development and implementation of safety systems together with functional safety management consultancy services.

Safety Applications

ProSafe programmable and hardwired systems offer solutions for a range of applications in oil and gas, petrochemical, chemical and nuclear power industries providing;

• Emergency Shutdown (ESD) System
• Burner Management System (BMS)
• Fire and Gas (F&G) System
• High-integrity Pressure Protection System (up to SIL4 HIPPS)