1) Acorn Growth Companies, LP

2) American Clean Power Association (FKA American Wind Energy Association)

3) City of Ada, OK

4) Complete Parachute Solutions, Inc.

5) Dewberry Engineers

6) Gas Technology Institute

7) IBIO, Inc.

8) National Association of Convenience Stores

9) North American Lead Battery Recycling Coalition

10) Point Blank Enterprises, Inc.

11) ReEnergy Holdings LLC

12) University of Oklahoma

13) W. L. GORE & ASSOCIATES

1) Bay West LLC

2) CGA Capital

3) Complete Parachute Solutions, Inc.

4) Dewberry Engineers

5) Fort Huachuca 50, Inc.

6) Gas Technology Institute

7) HDR, Inc.

8) IBIO, Inc.

9) North American Lead Battery Recycling Coalition

10) Point Blank Enterprises, Inc.

11) ReEnergy Holdings LLC

12) SmartSky Networks LLC

13) Smith and Wesson Brands Inc.

14) Standard Aero

15) Tetra Tech, Inc.

16) The University of Tulsa

1) 1800 CONTACTS

2) American Clean Power Association (FKA American Wind Energy Association)

3) American Iron & Alloys LLC

4) Assured Guaranty Municipal Corp. (AGM)

5) Dewberry Engineers

6) Gas Technology Institute

7) Livingston International Inc.

8) North American Lead Battery Recycling Coalition

9) Point Ruston LLC

10) StarKist Co.

11) Tupy American Foundry Corporation

12) United Furniture Industries, Inc.

13) Wood Preservative Science Council

14) Zulily LLC

1) American Kennel Club, Inc

2) Americn Financial Services Association

3) CGA Capital

4) Clark Geduldig Cranford & Nielsen on behalf of Total System Services, ("TSYS")

5) Complete Parachute Solutions, Inc.

6) Dewberry Engineers

7) Gas Technology Institute

8) General Motors

9) HDR, Inc.

10) IBIO, Inc.

11) KPMG

12) Metropolitan Life

13) National Bankers Association

14) North American Lead Battery Recycling Coalition

15) Point Blank Enterprises, Inc.

16) ReEnergy Holdings LLC

17) Robinhood

18) Rocky Mountain Elk Foundation

19) Smith and Wesson Brands Inc.

20) The Managed Funds Association

21) Transunion

22) Truist