Fit For Nuclear companies

F4N logoThe companies listed below have successfully completed the Nuclear AMRC’s Fit For Nuclear programme. They have benchmarked their performance against the standards demanded by the civil nuclear industry’s top tiers, and driven business improvements through a tailored action plan. 

For a fully-searchable database of F4N-granted companies, go to the new F4N Connect portal. Please note that some granted companies have not yet completed their full profile.

Abbey Forged Products

Abbey Forged Products Ltd is one of the UK’s leading forgemasters, supplying bespoke high integrity components to the nuclear sector. Download the case study.

Adey Steels

Adey Steel is a leading steel fabrication and processing specialist manufacturing medium to heavy fabrications, structures and intricate welded assemblies, working in various sectors including nuclear and waste-to-energy.


Aerotech provides small to large precision machined components and assemblies to customer specifications, and has been a key supplier to major OEMs within regulated industry sectors for over 20 years.


Alderman Tooling is a bespoke metal fabricator based in Plymouth, offering comprehensive metalwork design and fabrication services to diverse markets. Download the case study.

Allied UK

Allied UK is a leading manufacturer and supplier of linepipe, fittings and flanges to the nuclear industry. It has current experience with UK nuclear plants and, through its parent company, can supply to RCC-M code.


Al-Met is an approved vendor-listed business offering specialised machining of high-end stainless steels including super duplex, Inconel and tungsten carbide, plus assembly and testing services.

Altec Group

Altec Engineering Group provides a comprehensive range of complementary services including medium to high complexity CNC machining and special purpose equipment tailored to meet customers’ individual requirements. Machining covers aluminium to exotic materials, using three, four and five-axis technology.

Amazon Filters

Amazon Filters designs and manufactures an extensive range of liquid filtration systems, for applications including nuclear operations.


AMS provides instrumentation and control solutions for the power and nuclear industries, including consolidated product supply and technical support, obsolescence advice, onsite service, commissioning and surveys, custom C&I design, build and installation of panels and cubicles.

Anglia CNC

Anglia CNC Engineering is an established company with a qualified and dedicated workforce, specialising in supplying very high quality milled and turned components and assemblies to a range of commercial and aerospace industries.

Ansaldo Nuclear

Ansaldo Nuclear Ltd specialises in the design, manufacture, assembly, test, installation and commissioning of customised solutions for the nuclear decommissioning, defence, and nuclear new build markets.

arc energy

Arc Energy’s weld overlay cladding process provides protection for critical components such as pipelines and process equipment for use in hostile environments. Download the case study.


Arrowsmith is an aerospace machine shop specialising in turning, milling, grinding, thread rolling and NDT services. It undertakes work from development through to production and after-sales, and has been involved in R&D and complex parts for Rolls-Royce since 1970. Download the case study.


Barrnon offers innovative solutions for nuclear decommissioning, including the proven Bladecutter Sludge Removal System, and the Hydrospyder floating crane capable of multitasking in decommissioning pond environments. Download the case study.

Berry and Escott

Berry & Escott Engineering is a multi-disciplined company covering mechanical design, precision machining and bespoke fabrication, capable of working in various materials to high quality standards.


Broadway Engineering Ltd specialises in precision machining and assembly of current and aftermarket products, catering for both production items and bespoke requirements. The firm has a proven track record and offers impressive turnaround times to meet even the tightest of deadlines.


BST manufactures high integrity fully traceable fasteners for the nuclear, defence and oil & gas industries.

BTROS Electronics

BTROS Electronics is a market leader in the design, manufacture and supply of electronic equipment, including CCTV and PA systems. Capabilities include re-engineering, repair, project management, on-site engineering support and obsolescence management.

CMC CAM Machine

CAM Machine provides high precision CNC machined parts in all types of materials for a wide array of UK and global clients, in diverse market sectors.

Cambridge Precision

Cambridge Precision offers precision machining of low to medium volume, prismatic and turned components from a variety of materials, and provides value engineering solutions.


Canberra UK is one of the UK’s leading suppliers of instrumentation for a diverse range of applications in the nuclear industry.


CE Turner specialises in design for manufacture and build to print of precision components,  laser profiles, precision fabrications and complex assemblies in various exotic and standard metal types.


Centronic is a leading manufacturer of radiation detectors, providing design, prototype and full in-house manufacturing and testing.


Costain Integrated Technology Solutions specialises in consultancy and design of bespoke security and highways systems; and the design, development, manufacture, testing, installation and maintenance of high end technical equipment.


CPE is a manufacturer of bespoke pressure vessels, pipework and pressure systems in stainless steels, carbon steels, duplex and alloy materials.

DAE Systems Colston

DAE Systems Ltd (formerly Colston Engineering) has supplied welded, fabricated and machined safety-critical components and assemblies for the nuclear industry for over 20 years. Download the case study.

Dans Engineering

Dan’s Engineering Ltd specialises in the design, welding, fabrication and installation of stainless and mild steel fabrications, providing services throughout the water and utilities sector specialising in harsh environmental conditions.


DavyMarkham designs and manufactures large components and systems for the nuclear and defence sectors, for customers including Sellafield, AWE, Rolls-Royce and Magnox. Products include casks and containers for intermediate and high-level waste.

delta controls

Delta Controls has over 40 years’ experience as a manufacturer of reliable, high-performance process control instrumentation for the nuclear industry.

Delta Pacific Valves

Delta Pacific Valves designs and manufactures an extensive range of PED approved valves, fully traceable for use in all industry sectors.

Devoran Metals

Devoran Metals is a leading specialist supplier of CARES-approved cut and bent reinforcing bar and mesh for concrete reinforcement, providing bespoke rebar solutions, prefabricated reinforcement, construction accessories and coupler systems.

Diffusion Alloys

Diffusion Alloys (DAL) is a global specialist in the application of a range of protective coatings against metal degradation, with over 50 years of experience.


Elecsis is a multi-discipline engineering services company based in Bridgwater, Somerset, offering design, manufacture, testing, installation and commissioning of electrical switchgear and process control equipment.

Endress Hauser

Endress+Hauser has been a reliable partner for the process industry for more than 60 years, with core expertise in process instrumentation, gas and laboratory analysis.

European Heathyards

European Heathyards specialises in high integrity fabrication, welding and tube manipulation, and manufactures heat exchangers, pipework, pressure vessels, silos and tanks for the nuclear, petrochemical and power generation industries.


Evenort is a PED-certified precision engineering company specialising in stainless steel and nickel alloy flanges and pressure-retaining parts for nuclear and oil & gas.

Fairford Electronics

Fairford Electronics is an innovator, designer and manufacturer of soft starters and energy-saving motor control equipment. Download the case study.

Fairham Mouldings

Fairham Mouldings provide solutions for all precision rubber component applications, using a full range of special elastomers. The firm’s in-house CAD/CAM mould-making facilities enable it to produce bespoke mouldings. Download the case study.

Fan Systems

Fan Systems, part of Witt UK Group, is a leader in the manufacture of high quality industrial fans for nuclear and defence, with units operating across a diverse range of process applications throughout the world. Download the case study.

Fine Tubes

Fine Tubes manufactures high specification tubing in stainless steel, nickel, titanium and zirconium alloys for a range of industries. Nuclear applications include fuel and control rods, fuel assembly grid wear sleeve tubing, instrumentation and heat exchanger tubing.


Flamgard is the oldest dedicated HVAC damper designer and manufacturer in the UK, providing the highest quality high integrity products to its global partners. Download the case study.

FLI Structures

FLI Structures is one of the UK’s leading suppliers of steel structures and products, providing design, manufacture and installation of towers, masts, grillages, refuges, platforms, walkways, stairways, ladders, screwpile foundation solutions and bespoke steelwork structures.


Forsyths designs and manufactures high integrity pressure vessels, tanks, heat exchangers, structural steelwork and piping in numerous different grades of material. Together with their E&I and coatings group companies, Forsyths can also provide a complete in-house solution for preassembled skid units. Download the case study.


Fort Vale Nuclear offers a wide range of mechanical engineering solutions, from initial concept and design through to manufacture and testing. Download the case study.


Fugro GeoServices provides services in nearshore and offshore geotechnical, marine installation, onshore drilling, cone penetration testing, geophysics, and instrumentation and monitoring.

GA North West

GA Engineering North West, part of the PRYME Group, specialises in medium-sized high-precision CNC machining services for the aerospace, defence, nuclear, medical, and oil and gas markets, as well as full turnkey engineering solutions.

graham hart

Graham Hart specialises in the design and manufacture of process plant and equipment for energy, petrochemical, process and other industries. Download the case study.


Hargreaves is the UK’s leading provider of air movement and high-integrity ventilation ductwork solutions to the nuclear sector. Download the case study.

Hayward Tyler

Hayward Tyler has supplied electric motors and pumps for the most demanding nuclear applications and environments for almost 60 years, with over 1000 units installed globally. Download the case study.


Heatric is an approved supplier of stainless steel fabrications with comprehensive fabrication, chemical etching, diffusion bonding and non-destructive testing capabilities; and a world leader in printed circuit heat exchanger manufacture. Download the case study.


Helander manufactures critical nuclear components and assemblies, up to safety class 1, and also serves the aerospace, defence, and oil & gas markets.


Helipebs Controls is a market leader in the design, manufacture, service and application of the highest quality hydraulic and pneumatic cylinder technology since 1969.

Horstman Group Logo

Horstman Defence Systems Limited is a well-established design and manufacturing company with a pedigree in design, development, complex machining, assembly, test and project management.

Hosokawa Micron

Hosokawa Micron Ltd provides a wide range of solutions for the processing and containment of materials – both hazardous and non-hazardous for the nuclear, chemical, mineral, ceramics, pharmaceutical and food industries.

HV Wooding

HV Wooding Ltd is a subcontract precision manufacturing company specialising in bus bars, presswork, tool manufacture, laser cutting, CNC machining, CNC wire erosion, electroplating and assemblies, for industries including nuclear and renewable energy.


Hydrobolt manufactures special fasteners and machined parts for use in critical environments, fully traceable and tested to nuclear standards. Download the case study.


Independent Forgings and Alloys is a premium supplier of high integrity forged products into the nuclear supply chain, offering a fully integrated service from manufacture to testing with extensive nuclear experience.


Induchem is the UK distributor and European repair centre for Xomox valves, manufacturing lined pipe and fittings and control boxes for the nuclear industry, and stocking a range of actuators and associated ancillaries.


IT4Automation is a specialist operational technology network solutions company, operating in the nuclear industry since 2014. Download the case study.

James Fisher Nuclear

James Fisher Nuclear is an established supplier of specialist engineering, manufacturing and technical services for high-integrity applications.

JJ Churchill

JJ Churchill is a precision sub-contract engineer with extensive aerospace experience, machining complex parts from stainless, titanium, Inconel and aluminium.


Jordan Manufacturing (part of the Redhall Group) produces fabricated, welded and machined high-integrity specialist products for nuclear, defence and other applications using carbon, stainless and duplex steels and a variety of exotic alloys.


KGD is a manufacturer of fluid handling systems and bespoke equipment with 35 years’ experience, providing a one-stop shop with in-house design, manufacturing, welding, inspection, shotblasting, painting, instrumentation, electrical and testing facilities. Download the case study.


Krohne is the only instrument supplier with all qualifications for the nuclear industry, supplying variable area, electromagnetic, ultrasonic and coriolis flow meters.


Laker-Vent Engineering provides detail design, pipework fabrication and installation, and mechanical installation services to industries throughout the UK.


Lambert is a world leader in engineered automation projects for high-volume or high-precision production.


Larkshill Engineering manufactures, designs and assembles precision components, tooling and special purpose machines for a wide spectrum of engineering applications. Download the case study.


Ledwood Mechanical Engineering is an independent engineering, fabrication and construction company serving a diverse industry base.


Legrand is the world’s leading manufacturer of wiring devices and cable management systems.


Lestercast specialises in high integrity castings in a broad range of metals, including steels, stainless steels, inconels and hastelloys, and is a leader in rapid prototype castings. Download the case study.


Lionweld Kennedy is a global supplier of gratings, handrail systems, platforms, stair treads and ladders, all available in steel or GRP/FRP. The company also offers designing, drawing and installation services, providing a one-stop shop for all access requirements. Download the case study.

Lloyd Morris

Lloyd Morris Electrical Ltd has over 25 years’ experience in the design, manufacture and installation of electrical distribution and control systems for nuclear new build and decommissioning. Download the case study.

LoneStar Fasteners Europe

LSFE is a leading manufacturer and supplier of fully certified standard and special fasteners, quality-critical bolting and precision machined components, all to national, European and international standards and specifications.


Maher is a steel stockholder and machinist specialising in high-strength, high-performance alloys, supplying forms including bar, billet, plate and forgings.


Manoir UK is a specialist welding and fabrication company to the nuclear, petrochem and oil & gas industries.

Manthorpe Engineering

Manthorpe Engineering is a specialist component and assembly supplier into the nuclear and energy sectors, capable of machining up to 3.4 metres diameter and high-integrity fabrications up to 100 tonnes.


Mechan designs and manufactures bespoke lifting and handling equipment for industries including rail, aerospace and nuclear.

Medley Precision

Medley Precision Ltd is a CNC subcontract business with over three decades of experience, supplying precision machined components to precision industries & global OEMs.

Metaltech ltd

Metaltech Ltd specialises in the thermal processing of metals, offering a comprehensive portfolio of heat treatment, surface coatings, mechanical testing and metallurgical failure investigations.


Metaltech Precision supplies high end CNC machined parts to various industries, specialising in high nickel exotic materials.


MNB Precision provides manufacturing and precision engineering services to world-leading companies across nuclear, oil & gas, power, rail, aerospace and other manufacturing industries.

Mon Maintenance

Mon Maintenance Services is an electrical and mechanical engineering maintenance contracting, sub-contracting and supply company, based in Anglesey.

Newburgh Engineering

Newburgh Engineering has continuously provided precision engineering components and assemblies to the nuclear sector since the 1950s, and is still achieving outstanding results as the supplier of choice for its customers.

newburgh precision

Newburgh Precision is an accredited contract manufacturer of high specification, project critical, component parts and assemblies.


NIS Ltd provides bespoke design and manufacture of plant, equipment and high integrity fabrications for markets including nuclear, security and aerospace.


NOV Gateshead is a high precision, engineering manufacturer, supplying high pressure valves, precision machined components, manifolds, flowline and control equipment for challenging environments in the oil, gas and energy sectors.


NTR Ltd is a world leader in tooling reclamation and repair, with capabilities including special new tooling manufacture, live tooling repair and rebuild, and grinding of solid carbide and high speed steel tooling.

OLD Engineering

OLD Engineering Co Ltd is a family-run business, established in 1971, producing precision machined components for the automotive, rail, aerospace, nuclear and defence industries.

oldham engineering

Oldham Engineering provides fabrication, welding, machining, refurbishment and turnkey projects for nuclear decommissioning and new build.

OMS logo

OMS provides specialist laser measurement and camera inspection services to the global energy industry, and has developed a range of innovative tools to improve integrity and meet precise project specifications.


Osbit is a turnkey solutions provider, with a unique skillset spanning the full project life-cycle. The company combines decades of bespoke engineering skill with novel innovation to deliver high integrity, first time right solutions, every time.


Outokumpu Stainless Distribution is part of the Outokumpu Group, a major manufacturer of stainless steel materials. The Sheffield site processes and supplies stainless steel plate, sheet and coil in a wide range of grades and sizes,  and offers plasma, laser and waterjet cutting facilities. Download the case study.


Parker‘s Instrumentation Products Division Europe plant in Barnstaple designs and manufactures innovative small-bore instrumentation tube fittings and process-to-instrument valves for nuclear, oil, gas, chemical, powergen and other processing and laboratory applications.

Paul Fabrications

Paul Fabrications manufactures precision machined and sheet metal components. With over 50 years of experience in the nuclear industry, it has all of the attributes required to make safety-critical products. Download the case study.

PD Devices

PD Devices designs and manufactures a wide range of products and custom-designed solutions to protect against damage from lightning and transient over-voltages.

Perfect Bore

Perfect Bore provides singular and turn-key solutions to both internal and external surface machining operations through its gundrilling, deep-hole boring, honing, superfinishing and CNC turning capabilities.

Pipe Supports

Pipe Supports is a global manufacturer of specialist pipe supports for the nuclear, power generation and petrochemical industries.

Pipex px

Pipex PX provides complete solutions for lightweight, corrosion resistant and durable advanced composite FRP & thermoplastic products, pipework systems and structures.

Portobello RMF

Portobello-RMF specialises in the design and manufacture of pressure vessels, columns, shell and tube heat exchangers, skid packages and high integrity fabrications, in all grades of stainless steel, nickel alloys, titanium and zirconium. Download the case study.

Precision 2000

Precision 2000 Ltd is an accredited precision engineering company specialising in the manufacture of complex components and sub-assemblies for a range of markets.


Premaberg Manufacturing Ltd specialises in the design and manufacture of high efficiency systems to remove water droplets and aerosols from air streams, to prevent corrosion or damage to machinery and ventilation systems.

Premier Hytemp

Premier Hytemp is a market leader in transforming metal solutions and providing turnkey packages industry-wide including nuclear, partnering with tier one suppliers to Sellafield on quality grade CQR01 precision machined parts.


Proeon Systems is a specialist control and safety systems integrator providing solutions for complex and critical applications within the energy (nuclear, oil & gas and renewables), chemical, pharmaceutical, marine, advanced  manufacturing, and food & beverage sectors.

PSL Assemblies

PSL Assemblies manufactures power semiconductor stack assemblies and power electronic thermal management solutions, with over 40 years of manufacturing excellence in the supply of custom-built heat sinks, cooling plates and semiconductor stack assemblies. Download the case study.

Qualter Hall

Qualter Hall provides multi-disciplined engineering services including design, manufacture and testing of nuclear waste handling and storage equipment.

RED Engineering

RED Engineering works with global clients to reduce risk and cost, shorten schedules and work safely, through engineering solutions for installation, maintenance and decommissioning. Download the case study.


Redcliffe Precision has manufactured a wide range of precision components for the aerospace industry for over 35 years, specialising in thread rolling.

Responsive Engineering

Responsive Engineering is a subcontract manufacturing company servicing the energy, defence, and aerospace sectors, with the capacity and capability to successfully manage projects of all scales and specifications.


RWS Ltd has 25 years’ experience in the building refurbishment sector, including design and manufacture of bespoke ballistic and blast enhanced products including curtain walling, windows, and doors.

SC Innovation

SC Innovation develops engineering solutions from concept to delivery, providing products and services for demanding environments where quality and safety are paramount.

SCX Special Projects

SCX Special Projects custom designs high-integrity cranes and bespoke lifting solutions for nuclear facilities across the UK, with a focus on quality and safety.


Serimax has over 40 years’ experience in providing premium manual and automatic welding services, achieving the most complex welding parameters and procedural requirements with full lifetime quality records. Its facility in Evanton, Ross-shire, serves the North Sea oil & gas industry.


South West Metal Finishing Ltd, part of the EIC Group, offers a bespoke service on most metal finishing processes including electro-plating, anodising, surface conversion coatings, non-destructive and other testing services, painting and additive layer surface enhancement.


SPX offers a range of Class 1,2 and 3 products such as pumps and valves, as well as a wide conventional island offering.

SST Technology

SST Technology specialises in the design and manufacture of bespoke, advanced precision fabrications and thermal management systems for high-tech industries. Products are used in harsh environments with extreme temperatures, highly corrosive conditions and severe vibration loads.


Strata Technology supplies turnkey bespoke laboratory equipment, skid mounted rigs and pilot plants used for R&D, process scale-up or production purposes.


Swagelok Bristol distributes and supports Swagelok fluid system components and systems to customers in the nuclear industry across the south west of England and Wales.


Swagelok Manchester distributes and supports Swagelok fluid system components and systems to customers in the nuclear industry across the north west of England, the Midlands and north Wales.


Teddington Engineered Solutions has over 80 years’ experience in designing and manufacturing bellows and expansion joints.

TMB Patterns

TMB Patterns specialises in thermoforming and precision tool manufacturing for a range of industries, and is based in Bridgwater, Somerset.

Tods Aerospace

Tods Aerospace, a Unitech Aerospace company, provides the aerospace, marine, medical, defence, nuclear and rail industries with composite and metallic structures and components that meet demanding and complex requirements.

TPG Engineering

TPG Engineering (formerly Hunt Thermal Technologies) designs and manufactures heat exchangers and thermal systems for demanding applications in the energy and process industries. Download the case study.


Truturn Precision Engineering is a precision engineered turning, milling company supplying the oil, gas, aerospace, nuclear and defence industries for over 30 years.

TSP Engineering

TSP Engineering provides design, manufacture, testing and commissioning of waste storage, handling and decommissioning equipment to the highest industry quality standards.

tti group

TTI Group specialises in surface engineering and heat treatment services and solutions for all major industries.

Turnbull and Scott

Turnbull & Scott (Engineers) Ltd manufactures heat exchanger products for the nuclear industry and beyond including HVAC heating coils, steam condensers, process coolers, air blast coolers, heat recovery economisers and heat exchanger tubes. The company also offers heat exchanger design, installation and repair services.

Turnell and Odell

Turnell and Odell Ltd is a leading precision engineer providing a range of CNC manufacturing and engineering services supporting prototype development, small batch production and volume based manufacturing for engineering, manufacturing and high performance technology applications.

Unit Birwelco

Unit Birwelco is an international engineering and construction contractor and thermal equipment manufacturer.


Valeport manufactures a range of equipment for water level and environmental use, particularly at sea water outfalls and intake areas. The firm has multi-role machining capability, with titanium being a main material component.

Water Hydraulics

The Water Hydraulics Co Ltd specialises in the design, development and manufacture of water hydraulic solutions, supplying a full range of pumps, motors, valves, cylinders and systems. Download the case study.

WES Group logo

WES designs and manufactures bespoke chemical dosing and fluid systems and provides through-life service, maintenance and technical support, to power and water utilities, defence and general industry.

West Cumberland

West Cumberland Engineering Ltd is an experienced fabrication company focusing on high-quality welded fabrications for nuclear and petrochemicals.

Westbury Park

Westbury Park Engineering is a sub-contract fabricator, based in the south west, manufacturing high class assemblies for the petrochemical, defence and nuclear sectors in carbon and stainless steel materials.


WKW Precision Engineering provides a competitive, reliable, quality service specialising in the manufacture of bespoke high tolerance precision engineered components to customer specifications.