Offshore Oil Rig
Offshore Solutions Reliable and experienced engineering for offshore, petrochemical and oil & gas – the mechanical design and manufacture of bespoke pressure vessels, heat exchangers, filtration equipment, pipework systems and packaged process systems for high specification, sour service and demanding applications.
Pressure Vessels
Pressure Vessels Our excellent pressure vessel division is housed in a 51,000-square foot facility, operating on two three-acre sites. We have the capability to design and manufacture pressure vessels up to 38 metres long, 6 metres wide and weighing up to 120 tonnes.
Pipework Systems
Pipework Systems From the development of piping system layouts to the completion of the package engineering activities, we deliver piping systems manufactured from Carbon, Stainless, Duplex and Super Duplex steels, Nickel Alloys, Titanium, Zirconium and clad combinations, to fit your specifications and the demands of your industry.
Filtration & Drying
Filtration & Drying Our award-winning filtration & drying division undertakes R&D and thorough testing of new equipment on our client's behalf, and we produce Nutsch type filter dryers for global pharmaceutical and fine chemical manufacturers, including laboratory grade and pilot plant equipment.
Heat Exchangers
Heat Exchangers In our state-of-the art workshops, our highly experienced team of engineers design and manufacture heat exchangers of up to 3m in diameter by 38m in length and with a maximum weight of 120 tonnes, from a range of materials, for both on and offshore applications.

Charles Thompson Limited (CTL) is a specialist designer and manufacturer of process plant equipment to industry sectors including oil & gas, petrochemical, pharmaceutical, agro chemical, fine chemical, utilities and nuclear.

From headquarters in the UK’s industrial heartland of South Yorkshire, Charles Thompson has become a leading worldwide supplier of pressure vessels, heat exchangers, filtration and drying equipment, pipework systems, skid and module packages and packaged process systems equipment to suit all industrial applications, and with a specialism in sour service environment equipment and cladding solution applications.

Since the acquisition of Seal Engineering (now CTL Seal) in 2009, our operation also includes the design and manufacture of bespoke fabrications, structural steelwork, heavy precision machining, lifting equipment and general engineering.

This website details our products, services and the industries we supply as well as our latest news. To talk about your own bespoke requirements, please call us on +44 (0)1709 584011 or email us for a prompt response.

Process Plant Manufacturer

Charles Thompson is a well-established authority on process plant equipment manufacture. Our process plant engineers work to the highest British and international engineering standards including PD5500, EN13445, ASME VIII Div 1 U stamp & 2, ANSI, NORSOK, NACE, ISO 3834, as well as customer and project specifications. Thanks to our focus on innovation, quality and excellence, clients come back to us time and time again, confirming our position as a global leader in process plant manufacture.

Process Plant Designer

Central to Charles Thompson are specialist design houses based at two of our three sites, headed by fully qualified, veteran plant process design engineers who work to internationally recognised codes including PD, EN, ASME, TEMA, API and ANSI.


  • Engineering Company Moves To Low-Carbon Heating

    Charles Thompson Ltd (CTL) has invested in biomass heating for its headquarters in Rotherham, to support its environmental policy and heat its buildings more cost-effectively.

    22 Jun 2015 more info...
  • AMRC2 continues to grow under Ridgway

    The B2B publication Insider has named the research director and co-founder of the AMRC with Boeing, professor Keith Ridgway, as the second most powerful person in the Sheffield City Region.

    18 Jun 2015 more info...
  • British Universities Commit to Engineering

    In recent months universities across the UK have been showcasing their commitment to the future of British engineering, with the launch of new facilities or briefings on the new facilities to be constructed.

    01 Jun 2015 more info...
  • GE Invests $100m into Saudi Oil And Gas

    General Electric (GE) is to invest an additional $100 million into the oil and gas sector in Saudi Arabia. The investment will help GE’s localisation plans, create jobs in advanced manufacturing and software analytics, and build innovation capacity.

    26 May 2015 more info...
Our Products See below for links to our product pages, which go into much more detail about our process plant design and manufacture.
  • Pressure Vessels

    Pressure Vessels

    Charles Thompson Ltd (CTL) can manufacture pressure vessels up to 38m in length and weighing a maximum of 120 tonnes.
  • Heat Exchangers

    Heat Exchangers

    Charles Thompson Ltd (CTL) will undertake the thermal/mechanical design and manufacture of heat exchangers up to 38m in length and weighing a maximum of 120 tonnes.
  • Preassemled Units

    Pre-Assembled Units & Structures

    Charles Thompson Ltd (CTL) design and manufacture pre-assembled units and structures, made to your requirements.
  • Skid Packages

    Skid Packages & Modules

    Charles Thompson Ltd (CTL) design and manufacture process skid packages and modules, project managing all aspects of the job from P&IDs to testing and delivery.
  • Filtration

    Filtration & Drying Equipment

    Charles Thompson Ltd (CTL) design and manufacture filtration and drying equipment – including the Nutsch filter dryer, for the pharmaceutical and fine chemicals industries.
  • Pipe Work Systems

    Pipework Systems

    Charles Thompson Ltd (CTL) design and manufacture process pipework systems from individual pipe spools to full engineered and constructed piping systems.
  • After Sales

    After Sales, Spares & Site Services

    Charles Thompson Ltd continues to support our clients even after dispatch, offering after sales care, spares supply and repair and maintenance services, including for emergencies.
  • Sectors


    Charles Thompson Ltd (CTL) supplies many different industries with process plant equipment, including pharmaceutical, petrochemical and nuclear.