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Patrick Costello

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Patrick Costello

( Federal,  )

MERCURY PUBLIC AFFAIRS, LLC

  • 1130 Connecticut Ave NW, Suite 475, Washington, DC, 20036, 

Clients

1) CARIBBEAN PORT SERVICES S.A.

2) CZECHOSLOVAK GROUP

3) DENHAM CAPITAL MANAGEMENT LP

4) ENDEAVOR ENERGY HOLDINGS LLC

5) FLOCK GROUP INC D/B/A FLOCK SAFETY

6) GOTION, INC.

7) GROWTH(PERIOD) OBO WASHINGTON GAS LIGHT COMPANY

8) HAIZUM ON BEHALF OF ANGIODROID

9) HELSING INC

10) JEFFER MANGELS BUTLER & MITCHELL LLP OBO DATELINE RESOURCES LIMITED

11) KEYSTONE STRATEGIC ADVISORS OBO BATRIC RADUNOVIC

12) KOREA ZINC COMPANY, LTD.

13) LOHUM CLEANTECH PVT LTD

14) NAZANIN BONIADI

15) SAGINT

16) UL SOLUTIONS, INC.

17) VDMA AMERICA, INC.FKA VDMS AMERICA, INC.

Last Updated: August 26, 2026

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