Proventia - Technologies and services for engines

Proventia is an environmental technology company, providing clean technologies and services for engines. Today we develop, engineer and supply innovative, customised exhaust aftertreatment solutions for diesel engines in both OE and retrofit installations. We produce integrated insulation solutions for thermal management in demanding engine and machine applications. We offer a broad selection of testing services and compact Proventia Test Units for engines, emissions, fuels and lubricants.

Part of Head Invest Group

Proventia´s expertise in engine and machine manufacturing is a result of over 20 years of experience in the emission control business. Proventia is a part of Head Invest Group, a family-owned Finnish technology –focused group, whose business revolves around clean air and life science technologies.


Team of skilled professionals

Proventia employs skilled engineers and technical experts at its headquarters and technology centre in Oulu, Finland. Our subcontracting professionals in manufacturing, assembly and supply chain services make sure that our high-quality products are produced and delivered on time, every time. Our expanding international sales and service network provides support for our customers and partners worldwide.