1) American Health Care Association

2) Caesars Enterprise Services, LLC

3) Canadian National Railroad

4) Entertainment Software Association

5) Globe Specialty Metals, Inc.

6) Massachusetts Mutual Life Insurance Company (MassMutual Financial Group)

7) NuCoal Resources, Ltd.

8) Ouro Mining Inc.

9) Pebble Limited Partnership

10) Senior Care Pharmacy Coalition

11) Southern Company Services, Inc.

12) U.S. Acute Care Solutions, LLC

13) U.S. Anesthesia Partners, Inc.

14) University of Mississippi

15) Vineyard Wind, LLC