1. 3D Systems Inc.
2. Aerojet Rocketdyne Holdings Inc.
3. EOS GmbH
4. Gkn Sinter Metals Engineering GmbH
5. Hoganas AB
6. Jabil Inc.
7. Markforged Inc.
8. Materialise NV
9. Moog Inc.
10. Nano Dimension Ltd.
11. Norsk Titanium US Inc.
12. Optomec Inc.
13. Prodways Group
14. Sandvik AB
15. Stratasys Ltd.
16. The ExOne Company