1) 548 CAPITAL LLC

2) 548 FOUNDATION

3) ACCEL ENTERTAINMENT LLC

4) ACENTRA HEALTH

5) AT&T ILLINOIS AND ITS AFFILIATES

6) CHICAGO WHITE SOX

7) CONSTELLATION ENERGY GENERATION, LLC

8) EARTHRISE ENERGY

9) GLOBETROTTERS ENGINEERING CORPORATION

10) HNTB CORPORATION

11) NEXT ERA ENERGY

12) NICOR GAS

13) SUPERIOR AIR-GROUND AMBULANCE SERVICE INC.

14) UNITED AIRLINES, INC.

15) UNITED CENTER

16) VERTEX PHARMACEUTICALS

17) VM CONSOLIDATED, INC.

18) WIRTZ CORPORATION