1. Institute of Technology and Business in České Budějovice, 370 01 České Budějovice, Czech Republic
2. Department of Machine Designs, Faculty of Mechanical Engineering, University of West Bohemia, 301 00 Plzeň, Czech Republic
3. Die-Casting Division, MOTOR JIKOV Slévárna a.s., 370 04 České Budějovice, Czech Republic
4. Tool Shop Division, MOTOR JIKOV Fostron a.s., 370 04 České Budějovice, Czech Republic