1) APIC CORPORATION

2) BLUGLASS

3) CENTRAL ASSOCIATION FOR THE BLIND AND VISUALLY IMPAIRED (CABVI)

4) CHARTER CASTING

5) IRIDIUM COMMUNICATIONS

6) KOHLBERG KRAVIS ROBERTS & CO. L.P. (KKR)

7) MISSION INNOVATION CONSULTING

8) PLEXUS CORP

9) PRINCIPAL MINERAL

10) RED RIVER CREEK MINING GROUP, LLC

11) SCHOTT NORTH AMERICA INC AND AFFILIATE (FORMERLY SCHOTT NORTH AMERICA INC)

12) THEON SENSORS USA INC. / T INDUSTRIES INC.

13) VANNEVAR LABS

14) VANTOR HOLDINGS, INC. (FORMERLY MAXAR INTELLIGENCE)

15) VORTEX OPTICS