Fit For Nuclear companies

F4N logoThe companies listed below have been granted Fit For Nuclear status by the Nuclear AMRC. They have benchmarked their performance against the standards demanded by the 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. You can also click the Connect links in the listings below to go straight to that company’s detailed profile. Please note that some granted companies have not yet completed their full profile.

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. Connect

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. Connect

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. Connect

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

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. Connect

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. Connect

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’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. Connect

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. Connect

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. Connect

Beran Instruments specialises in vibration and condition monitoring systems for all rotating plant, and can supply support for electronic systems and software development. Connect.

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. Connect

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. Connect

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. Connect

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

Capula has over 50 years’ experience in designing, manufacturing, installing and commissioning control systems and equipment for critical nuclear facilities. EDF Energy Services acquired Capula in 2017.

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.

Celtest is an established supplier of independent, UKAS-accredited materials testing services, and specialist diamond drilling and cutting services for the UK construction, civil engineering and nuclear industries.


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

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

Crowle Wharf Engineers is a precision engineering company specialising in the overhaul, fabrication and machining of bespoke and multiple run products for safety critical and demanding environments.

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. Connect

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

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

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. Download the case study. Connect

Diffusion Alloys (DAL) is a global specialist in the application of a range of protective coatings against metal degradation.

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. Connect

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. Connect

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. Connect

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

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. Connect

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. Connect

FAUN Trackway specialises in design, bespoke fabrications, painting, welding, and high integrity material handling equipment. The firm is based in based in Llangefni, North Wales. Download the case study. Connect

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. Connect

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. Connect

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. Connect

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 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. Connect

GFSA specialises in the design and manufacture of customised, high integrity filters, strainers and flame arresters in carbon steel, stainless steel, duplex, titanium and many other exotic alloys, supplying the oil & gas, petrochemical, power generation, water and process industries worldwide.

Goodwin International offers high value engineering through innovation and collaboration, providing design for excellence to reduce project costs and risks.

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

G R Carr (ECITB SME of the year 2018) has provided mechanical engineering services, fabrication and installation of pipework, steelwork and specialist welding to refineries, oil storage facilities and utilities for 50 years from its 4.5 acre facility.

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. Connect

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

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. Connect

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. Connect

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. Connect

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

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. Connect

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. Connect

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

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

James Walker supplies a large range of specialised sealing related products and services, encompassing high-integrity sealing, bolting technology and innovative problem solving. It also develops and manufactures precision components in high-performance elastomers, engineering plastics and high-strength alloys.

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

Joseph Ash Galvanizing is a UK leader of steel finishing services including galvanizing, spin galvanizing, shot blasting and powder coating, providing the highest standards of quality and service.

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. Connect

KTH offers a wide range of capabilities from design, manufacturing and testing through to complete turnkey systems and site support for the oil & gas, nuclear, petrochemical, marine, water and process plant industries. Connect

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

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. Connect

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. Connect

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. Connect

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. Connect

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 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. Connect

McEvoy Engineering is an engineering manufacturer specialising in steel fabrication, pipework and integrated engineering. The firm has continuous nuclear sector experience since 1990. Download the case study. Connect

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

Mon Maintenance Services is an Anglesey-based electrical, commercial, gas and mechanical engineering contractor, offering an array of quality services and providing a one-stop shop for maintenance and installation.

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

MSCM designs and manufactures subsea products for the energy industry worldwide, from hydraulic copulings to complex control systems. Download the case study.

NE Components (formerly Newburgh Engineering) has provided precision engineering components and assemblies to the nuclear sector since the 1950s. Connect

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

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.

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

Omnitrack is an original manufacturer since 1909 of ball transfer units, casters, wheels and bespoke precision movement solutions from its family-owned factory in Stroud, offering 8000kg+ capacities combined with nuclear-compatible material specifications. Download the case study. Connect

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. Connect

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. Connect

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. Connect

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

Harry Peers Steelwork designs and fabricates steel structures for the nuclear and defence sectors, specialising in off-site and on-site modular solutions. Peers is a Sellafield approved supplier to SLM 4.06.02 Issue 4.

Penny Nuclear, part of the Penny Hydraulics Group, designs and manufactures lifting and mechanical handling solutions for all stages of the nuclear lifecycle, with the knowledge and experience to provide robust, cost-effective solutions within extremely competitive lead-times. Download the case study.

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. Connect

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

Polycast is an experienced specialist investment casting company, producing superior cast metal components and forgings for customers in the nuclear, medical, aerospace, automotive, marine and other sectors.



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. Connect

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. Download the case study. Connect

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. Connect

Prism Power Group is a leading specialist in the design, manufacture, installation and maintenance of high-quality, resilient electrical switchgear, critical power systems and intelligent power monitoring solutions for critical environments.

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. Download the case study. Connect

Proclad Group offers real turn-key engineering solutions with expertise in piping products and corrosion prevention across various energy sectors. In-house capabilities include cladding, machining, forging, bending and heat treatment. Connect

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. Connect

QA Weld Tech is a leading provider of integrated welding and engineering services that excels in delivering innovative solutions to complex industry challenges, on time and within budget. Download the case study. Connect

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. Connect

Rhyal Engineering is a mechanical engineering company specialisting in storage tanks, vessels, piping, steelwork, fabrication and installation services serving the oil, gas, aviation, nuclear and water industries. Download the case study. Connect.

R-Tech Materials provides specialist materials testing and consultancy services across a range of industrial sectors including construction, oil & gas, petrochemical, power, marine and aerospace. Its testing services are both UKAS and NADCAP accredited.

S&H Systems design, manufactures, installs and commissions quality electrical, pneumatic and instrumentation control panels and systems, including PLC and Scada software for the nuclear industry.

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. Connect

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.

Spincraft ETG applies innovative metal forming technologies to manufacture cost-effective, single source solutions for customers in aviation, defence, energy, medical and space systems. Capabilities include metal forming, heat treating, machining and welding.

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. Connect

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

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.

Syspal specialises in high quality stainless steel and aluminium fabricated products. Its Manifab subcontracting division designs and manufactures components and assemblies for industries including nuclear, rail, aerospace, marine and defence.

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

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

TP Group’s Advanced Manufacturing Centre (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. Connect

Tribosonics Ltd develops unique and novel measurement technologies, creating significant and scalable value for our customers by enabling Industry 4.0 and IIoT measurements and monitoring solutions for wear, film thickness, and fluid properties. Connect

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

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

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

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. Connect

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. Connect

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. Connect

Vessco Engineering designs and manufactures pressure vessels, heat exchangers, columns, skid packages and associated equipment; in carbon steels, stainless steels, duplex and super duplex, aluminium, nickel alloys, and clad or overlaid metals. Download the case study. Connect

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. Connect

WES Hardmetal Engineering is a precision engineering company specialising in the machining of intricate components from hard and exotic materials, offering a complete solution to complex requirements. Connect

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

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. Connect

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


Woodcock & Wilson is a specialist industrial fan manufacturer to the nuclear industry, delivering safety, excellence and performance in the most critical areas across the world. The company is third-party certified for Atex and IECEx. Connect