Company Profile Login or Register to add a Company 51.26773, 6.509 MAT-TEC Engineering GmbH Siemensring 79b 47877 Willich Germany +49 2154 428 877 +49 2154 428 876 20232024 Views9393 Clicks00 Profile Staff (1) Current Employees of MAT-TEC Engineering GmbH Jörg Calefice Managing Director Full-time 2001/8 – Today (22 Years / 10 Months)