Based in St. Albans, GenCat has been trading in the exhaust after treatment industry since 2003, with a focus on heavy duty applications for NRMM, generating sets and materials handling equipment.


Our products include a range of Diesel Particulate Filters (DPFs), Catalytic Converters, our accessories include exhaust rain caps.

Our mission is to find the best solution to the application by offering the right equipment to do the job. From plant working in enclosed spaces, tunneling, offshore applications to standby power exhaust filtration, contact us to see how we can help reach the best solution.

See our full range of products to see our complete offering.


Due to our various industrial contacts we are also able to procure onshore, offshore and testing equipment and services for many specialist industries, including the petrochemical, our previous procurement projects include:

  • Diesel Generator Sets
  • Airbourne Contamination Filters
  • Locomotive Silencers & Lagging
  • Internal Pipe Weld Testers
  • Flange Weld Testers
  • Harben High Pressure Pumps

View some of our recent projects here.

To discuss your specific requirements please call us on +44 (0)1923 517 118 or email

We look forward to hearing from you.

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