History

 1994

• Finnkatalyt Oy is founded in Oulu, Finland, as a company concentrating on exhaust purification systems for machines and vehicles.

1996

• ENWA GmbH is founded in Zürich, Switzerland, developing SCR exhaust purification systems for stationary engines and applications.

1997 

• Finnkatalyt's exhaust cleaning systems are rewarded at the International Exhibition of Inventions in Genf, Switzerland.

1999

• Head Invest Oy, a company developing business operations that promote the well-being of people and the environment,  becomes one of the main owners of Finnkatalyt Oy.

2001

• Head Invest Oy founds the company Proventia to concentrate in the environmental and well-being sector.

2005 

• Finnkatalyt becomes Proventia's daughter company.

2007

• Proventia acquires the entire capital stock of the Swiss exhaust purification specialists ENWA GmbH.
• Finnkatalyt Oy and ENWA GmbH are merged to form Proventia Emission Control.
• The new premises of Proventia are completed in Oulunsalo. Proventia's new technology center also houses a state-of-the-art engine and emissions laboratory.

• Proventia's Diesel Particulate Filter for Transport Refrigeration Units (TRU) receives CARB (California Air Resources Board) verification.

2008

• Proventia Emission Control receives the Internationalization Award of the President of the Republic of Finland.
• Proventia makes a strategic decision to sell its holdings in other businesses and concentrate solely on emission control business.

2009

• Proventia expands with offices in the US. Proventia Americas LLC is founded in Minneapolis, Minnesota.