1) City of Baltimore

2) City of San Antonio

3) Delta Star Inc.

4) Earth Networks

5) IBX, LLC

6) KBR, Inc. F/K/A SGT, Inc.

7) Morgan State University Foundation

8) Niagara Transformer Corp.

9) Pennsylvania Transformer Technology, Inc.

10) Persivia, Inc.

11) Sheppard Pratt Health System

12) Shimadzu Scientific Instruments Inc.

13) Southeastern Universities Research Association, Inc.

14) SPX Transformer Solutions, Inc.

15) The Johns Hopkins University Applied Physics Laboratory LLC

16) University of California, San Francisco

17) University of Pennsylvania Perelman School of Medicine