1) 8 STAR ALASKA, LLC

2) AGC AMERICA, INC.

3) ALLEGHENY COUNTY AIRPORT AUTHORITY

4) AMERICAN COUNCIL OF ENGINEERING COMPANIES, INC.

5) AMERICAN ROLL-ON ROLL-OFF CARRIER GROUP, INC.

6) AMERICAN SUPERCONDUCTOR CORPORATION

7) ARCWOOD ENVIRONMENTAL LLC F/K/A HERITAGE ENVIRONMENTAL SERVICES, LLC

8) BERKSHIRE HATHAWAY ENERGY

9) BNSF RAILWAY CO

10) COMMONWEALTH FUSION SYSTEMS LLC

11) DEFENSE MARITIME SOLUTIONS INC. F/K/A WARTSILA DEFENSE, INC.

12) GEORGETOWN UNIVERSITY

13) HIGHLAND COPPER COMPANY INC.

14) MAGNET FORENSICS LLC

15) PENTAGON MEMORIAL FUND INC.

16) REALTA FUSION INC.

17) THE FIRST CHURCH OF CHRIST, SCIENTIST

18) UV ANGEL

19) W. W. GRAINGER, INC.

20) WARTSILA NORTH AMERICA, INC.

21) ZENO POWER SYSTEMS, INC.