1. 3D Systems Inc.
2. Concurrent Technologies Corporation
3. Diversified Machine Systems
4. DMG MORI AG
5. ELB-SCHLIFF Werkzeugmaschinen GmbH
6. ExOne Operating
LLC
7. Fabrisonic LLC
8. General Electric Company
9. GKN Powder Metallurgy Engineering GMBH
10. Hybrid Manufacturing technologies
11. H?gan?s AB
12. Maschinenfabrik Berthold Hermle AG
13. MATERIALISE NV
14. Matsuura Machinery Ltd.
15. Mazak Corporation
16. Mitsui Seki Inc.
17. Okuma America Corporation
18. Optomec Inc.
19. Quintus Technologies AB
20. Renishaw PLC
21. Sandvik AB
22. Siemens AG
23. SLM Solutions Group AG
24. Stratasys Ltd.
25. voxeljet AG