Eminox Group of Companies aftertreatment solutions for a net‑zero future

The Eminox Group of Companies is part of the Hexadex Group of engineering businesses which manufacture high-quality engineering products and solutions from 15 manufacturing locations in eight countries with a workforce of around 1,400. With nearly fifty years of growth the group serves a broad range of industries, producing stainless-steel exhaust systems and components, clamps, bellows, thermal and acoustic insulation, fire protection barriers, automated machinery and energy storage systems.

The Eminox Group has four manufacturing facilities in the UK, Slovakia, North America and India and comprises of three independently operating business units Emission Control by Eminox, SaveGuard and Ceramex; each dedicated to delivering the best solutions for the industries they specialise in.

About us

Pioneering emission reduction technologies

Established in 1978, our businesses provide emission reduction technologies, thermal and acoustic insultation engineering expertise as well as remanufacturing and cleaning patented technologies for off-road industries including maritime, power generation, construction and rail as well as the on-road automotive industry with expertise in heavy-duty, light commercial and passenger car sectors.

We work alongside major OEMs, Tier 1s and vehicle and equipment operators to help them achieve the latest global emission standards and regulations which support their ESG objectives.

Our industries

Agriculture

Power Generation

Rail

Maritime

Construction

Alternative Fuels

On Road

Other industries

If your industry isn’t listed, please get in touch to find out how we can help.

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Our products

We are on an energy transition, and our world needs cleaner power solutions.

The Eminox Group of Companies is committed to developing advanced technology. Working together to create innovative solutions for an evolving world.

Combined PM & NOx Reduction

Combined PM & NOx Reduction

NOx reduction with SCR technologies

NOx reduction with SCR technologies

PM Reduction with DPF Technologies

PM Reduction with DPF Technologies

Replacement E6 DPF

Replacement E6 DPF

Discover your true potential

As part of a dynamic group of manufacturing businesses, we combine innovation, expertise, and collaboration to deliver outstanding customer experiences throughout the world.

Join our team of over 200 skilled professionals, all committed to engineering excellence and environmental sustainability. Every role matters – whether you’re developing advanced manufacturing processes, collaborating on global projects, or building trusted customer partnerships.

Our Careers

News and Features

21 July 2025

Eminox Gold Service Package

Unlock Peak Fleet Performance with the Eminox Gold Service Package For UK fleet operators, keeping your buses and trucks compliant and running smoothly is crucial for business success. That’s why Eminox has introduced the Gold Service Package—a premium, all-in-one solution designed to maximise efficiency, reduce downtime, and take the hassle out of emissions system maintenance. Why […]

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21 March 2025

Eminox And Diverse Marine Achieve Imo Tier Iii Compliance For Thames Rocket With Successful Emissions Upgrade

The Project Diverse Marine and Thames Rocket – IMO Tier II engine successfully upgraded to meet IMO Tier III emissions regulations The Challenges Diverse Marine Ltd were tasked with building a high speed craft compliant with the HSC Code & UK Flag to operate in the UK. The vessel was required to meet IMO Tier […]

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14 February 2025

Dpfs And Emissions Compliance Made Easy

Emissions compliance is non-negotiable for anyone operating or maintaining diesel-powered commercial vehicles in emission control areas and densely populated urban zones. Understanding the purpose and maintenance requirements of a Diesel Particulate Filter (DPF) is imperative to keep vehicles running and compliant with the latest emissions legislation. Dr David Phillips, our Technical Director, explains how operators, […]

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Our Global Footprint

As part of the Hexadex Group, we provide worldwide coverage for our customers. Providing local solutions, globally.

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We can help you reduce emissions

Eminox Group of Companies delivers global solutions, from our local European, Indian, North American and UK facilities

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