2019: Swede Electronics AB acquires the Danish company epc technology a/s in Horsens with its three business areas – battery chargers under the name Powercharge, monitoring systems for district heating pipes and sourcing of customized electronics, plastic and metal parts.

2017: April 1:st Profcon AB acquires 100% of On Control AB in Dalsjöfors, with Mr Micael Andersson appointed as new MD.

2016: Olsson & Jansson AB, Profcon AB and Swede Electronics AB moves from Nås to new and modern fascilities in Vansbro on December 1:st.

2016: October 1:st Profcon Electronics AB merged with Telefrang AB to form a new company under the name Profcon AB, with Mr Micael Andersson appointed as CEO.

2016: Svetslego AB acquires 100% of “Samhalls mekaniska verksamhet” in Vansbro. Olsson & Jansson acquired Samhalls fascility.

2013: Svetslego AB acquires 100% of Profilvågen.

2012: Profcon Electronics AB acquires 100% of Omicron Systems Scandinavia AB.

2012: Profcon Electronics AB acquires 100% of Telefrang AB in Gothenburg.

2011: Profcon Electronics AB opens a sales office in Farsta, Stockholm.

2005: The production facility in Vansbro is purchased (2000 m2).

2004: The company group is re-organized so that Olsson & Jansson AB becomes the parent company. OJ-Gruppen is established.

2002: Svetslego in Vansbro is founded.

1999: Profcon Electronics AB is integrerated into Olsson & Jansson AB and moves into the production facility in Nås.

1988: Olsson & Jansson AB buys the real estate in Nås (700 m2)

1982: The operation is extended with electronic development via the foundation of the subsidiary Swede Electronics AB.

1980: Olsson & Jansson Mek. AB is founded, mainly focused on development and production of mechanical equipment.