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Landon Stropko

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Landon Stropko

( Federal,  )

Invariant Llc

  • stropko@invariantgr.com

  • 740 15th ST NW, 5th Floor, Washington, DC, 20005, 

Clients

1) AMERICAN BEVERAGE ASSOCIATION

2) ARAMARK SERVICES, INC.

3) AVANTUS LLC

4) CARBON REMOVAL CO., INC. DBA VAULTED DEEP

5) CARRIER CORPORATION

6) CERES, INC.

7) COOK INLET REGION INCORPORATED (CIRI)

8) CORN REFINERS ASSOCIATION

9) CRITICAL ENERGY SYSTEMS

10) ECOLAB

11) GENERAL MATTER INC

12) GEOTHERMAL EXCHANGE ORGANIZATION

13) GLASSMAN ENTERPRISES, LLC ON BEHALF OF THE COALITION FOR GREEN CAPITAL

14) HUDSON TECHNOLOGIES

15) KARPOWERSHIP UK LIMITED

16) ORKORA INC.

17) POET LLC

18) SAN JOAQUIN RIVER EXCHANGE CONTRACTORS WATER AUTHORITY

19) SEDRON TECHNOLOGIES, LLC

20) SK AMERICAS, INC.

21) STRATA ENERGY, INC.

22) TOYOTA MOTOR NORTH AMERICA, INC.

23) URANIUM PRODUCERS OF AMERICA

24) VENTURE GLOBAL LNG, INC.

25) VULCAN ELEMENTS INC.

26) WASHINGTON GAS

27) WATER COALITION AGAINST PFAS

28) WYOMING RARE (USA) INC. ON BEHALF OF ARE MANAGEMENT LLC

Last Updated: August 07, 2026

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