1) Allegheny Technologies Inc.

2) American Pacific

3) Erickson Incorporated

4) Global Advanced Metals

5) Global Tungsten & Powders

6) Howmet Aerospace, Inc. formally known as Arconic, Inc.

7) Materion Brush Inc.

8) Metals Affordability Initiative Association

9) Palantir Technologies Inc.

10) SpaceX

11) Specialty Steel Industry of North America

12) Teleguam Holdings, LLC dba GTA TeleGuam

13) TIMET - Titanium Metals Corporation

14) TTM Technologies, Inc.

15) Ucore Rare Metals

16) Umicore Optical Materials USA, Inc.

17) Urban Mining Company

18) Wellman Dynamics

19) World Fuel Services, Inc.