Draft:Hug Engineering
Swiss manufacturer of exhaust aftertreatment systems
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Hug Engineering AG is a Swiss engineering company that designs and manufactures exhaust aftertreatment systems for high-horsepower diesel and gas engines used in marine, rail and stationary power generation applications.[3] The company also provides service, spare parts, and digital monitoring solutions for installed systems.[3] Since 2024, Hug Engineering has been owned by the Belgian holding company OGEPAR Group, after FORVIA (Faurecia) agreed to sell and subsequently reported the disposal.[4][5]
Submission declined on 2 March 2026 by MSK (talk).
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|  |
| Company type | Private company |
|---|---|
| Industry | Exhaust aftertreatment; emissions control |
| Founded | 1983 |
| Headquarters | Elsau , Switzerland |
Key people | Fabien Milanesi (CEO) |
| Products | SCR systems, diesel particulate filters (DPF), oxidation catalysts, monitoring and control systems |
| Revenue | €144 million (2026, company presentation)[1] |
Number of employees | 281 (2026, company presentation)[1] |
| Parent | OGEPAR Group |
| Subsidiaries |
|
| Website | hug-engineering |
History
Hug Engineering was founded in 1983 in Elsau, Switzerland.[3] In 2010, Wärtsilä, ABB Turbo Systems and Hug Engineering announced a joint development project to develop a compact SCR system tailored to operation with two-stage turbocharging.[6]
In 2011, ElringKlinger announced that it had acquired a majority interest in Hug Engineering.[7] In late 2017, Faurecia (later part of FORVIA) announced an agreement to acquire Hug Engineering, and the closing of the purchase was reported in early 2018.[8][9]
In April 2024, FORVIA announced an agreement to transfer Hug Engineering to OGEPAR Group, with closing expected by the end of June 2024; FORVIA later reported the disposal as completed in 2024.[4][10][11]
Corporate structure and locations
Hug Engineering’s headquarters and main production site are located in Elsau, Switzerland.[3] The company operates subsidiaries in:
- Magdeburg, Germany (Hug Engineering GmbH)
- Enschede, Netherlands (Hug Engineering B.V.)
- Turate, Italy (Hug Engineering Italia S.r.l.)
- Columbus, United States (Hug Engineering Inc.)[2][12]
According to a 2026 company presentation, Hug Engineering reported 281 employees and €144 million in sales across the company and its subsidiaries.[1]
Products and services
Hug Engineering develops exhaust aftertreatment solutions and key components such as catalytic converters, diesel particulate filters, dosing/controls and monitoring systems, primarily for high-horsepower engines in stationary and marine/rail applications.[3]
The company’s publicly referenced product families include:
- clean4marine (marine SCR solutions)[13]
- variNOx (SCR aftertreatment; marine class/type approvals reported)[14]
- COdiNOx (aftertreatment systems used in greenhouse/CHP contexts)[15]
- CombiKat and other oxidation/filtration solutions for stationary power generation and industrial engines (company materials)[3]
The company also offers service and spare parts support through its sites and a distribution network.[3]
Certifications and approvals
Hug Engineering reports certification to ISO 9001 and ISO 14001 in company materials.[3]
In the marine sector, the company has publicized class/type approvals and certifications related to IMO Tier III compliance, including:
Management
Fabien Milanesi was announced as CEO effective 1 September 2023.[18]
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