This media hub provides journalists and media partners with everything they need: our official boilerplate, company information, and a library of royalty-free images ready for publication.

Boilerplate

Who is the Callens Group?

The Callens Group – founded by Willy Callens in West Flanders (Belgium) in 1966 – is the market leader in industrial heating and air technologies. Since 2003, it has been managed by the second generation: Annick Callens and Windy Moerman.

The group consists of four complementary businesses: Callens, Optimum, Jonker and Cometi, and offers advanced expertise in engineering, construction and service via 13 strategic branches in Belgium, the Netherlands and France. The group completes more than 100 turnkey projects worldwide a year.

With a turnover of €120 million and a team of 430 employees, the Callens Group offers a whole gamut of high-tech solutions. For one, the group supports industrial firms in their transition to a low-emission future while their systems remain competitive, efficient and reliable.

28 03 2024 Callens Pipe Rack Tiense 47 of 61

Founded

1966

Employees

285

Headquarters

Waregem (BE)

Founded

2000

Acquired

2018

Employees

3

Headquarters

Waregem (BE)

Founded

1960

Acquired

2025

Employees

85

Headquarters

Moerkapelle (NL)

Founded

1982

Acquired

2026

Employees

60

Headquarters

Saint-Sylvain-d'Anjou (FR)

OUR HISTORY

Growth towards an international player

The Callens Group has experienced remarkable growth these past few years, initially at national level and recently also internationally.

View our growth path
Callens We Ignite Change

Press or media questions?

Are you looking for specific information or images, or would you like to interview someone from the Callens Group? Julie will supply you with technically correct and recent material and - where possible - will organize an interview.

Contact our PR coordinator.

Looking for images?

View our press photos

Our locations