• Registration
  • Search
  • About
  • Log in

Lobbyists in Federal(US) with client SIGMA DEFENSE SYSTEMS LLC

Featured Firms

 Full Profile

WILLIAM PENNINGTON

Register Profile

WILLIAM PENNINGTON

(Federal, )

Cornerstone Government Affairs

  • 800 Maine Ave. SW Floor 7, Washington, DC, 20024, 

Clients:

1) BOLLINGER SHIPYARDS, LLC

2) EPIRUS, INC.

3) FORTRESS INFORMATION SECURITY, LLC

4) KRATOS DEFENSE & SECURITY SOLUTIONS

5) NUMAT TECHNOLOGIES, INC.

6) PLAYGROUND GLOBAL, LLC

7) RESPOND-US

8) SEASATELLITES, INC.

9) SIGMA DEFENSE SYSTEMS LLC

10) SUPPLY ENERGETICS, INC.

11) U.S. MERCHANT MARINE ACADEMY ALUMNI ASSOCIATION AND FOUNDATION

12) ULTRA FKA ULTRA ELECTRONICS - FLIGHTLINE SYSTEMS

 Full Profile

LOUIE PERRY

Register Profile

LOUIE PERRY

(Federal, )

Cornerstone Government Affairs

  • lperry@cgagroup.com

  • 800 Maine Ave. SW Floor 7, Washington, DC, 20024, 

Clients:

1) AMERICAN FOREST FOUNDATION

2) AMERICAN WOOD COUNCIL

3) BNSF RAILWAY COMPANY

4) BOARD OF COMMISSIONERS OF LOWNDES COUNTY

5) CITY OF BAINBRIDGE, GEORGIA

6) COBANK

7) FUND FOR A BETTER FUTURE, INC.

8) GEORGIA HOSPITAL ASSOCIATION, INC.

9) GLOBAL BUSINESS TRAVEL ASSOCIATION

10) HANGAR TECHNOLOGIES, INC.

11) JOHNSON & JOHNSON SERVICES INC

12) MAINE COAST FISHERMANS ASSOCIATION

13) NASCAR

14) NATIONAL LIMOUSINE ASSOCIATION

15) NATIONAL WILD TURKEY FEDERATION

16) PHOEBE PUTNEY HEALTH SYSTEM

17) RAYONIER OPERATING COMPANY LLC

18) SIGMA DEFENSE SYSTEMS LLC

19) STRIPE, INC.

20) TARGET CORPORATION

21) UNITED EGG PRODUCERS

 Full Profile

WILLIAM SMITH

Register Profile

WILLIAM SMITH

(Federal, )

Cornerstone Government Affairs

  • 800 Maine Ave. SW Floor 7, Washington, DC, 20024, 

Clients:

1) ACT FOR NIH: ADVANCING CURES TODAY

2) AMERICAN PRINTING HOUSE FOR THE BLIND

3) ANDURIL INDUSTRIES, INC.

4) APPLIED RESEARCH ASSOCIATES, INC.

5) BIG BROTHERS BIG SISTERS OF AMERICA

6) CHILDREN'S NATIONAL MEDICAL CENTER

7) GENERAL DYNAMICS

8) MEDICAL TECHNOLOGY ENTERPRISE CONSORTIUM

9) POLK COUNTY, IOWA

10) RAJANT CORPORATION

11) RESPOND-US

12) SIGMA DEFENSE SYSTEMS LLC

13) SOLARI INC.

14) SOUTHERN MILLS, INC., D/B/A TENCATE PROTECTIVE FABRICS

15) TENNESSEE TECHNOLOGICAL UNIVERSITY

16) THE BOEING COMPANY

17) THE REGENTS OF THE UNIVERSITY OF CALIFORNIA

18) THOMAS JEFFERSON UNIVERSITY

19) UNITED AIRLINES INC

20) UNIVERSITY OF ARKANSAS

21) UNIVERSITY OF ARKANSAS FOR MEDICAL SCIENCES

22) UNIVERSITY OF KENTUCKY

23) UNIVERSITY OF NOTRE DAME

24) WASHINGTON STATE UNIVERSITY

25) WINE AND SPIRITS WHOLESALERS OF AMERICA

26) ZERO - THE END OF PROSTATE CANCER

 Full Profile

RICK ZAMPELLI

Register Profile

RICK ZAMPELLI

(Federal, )

Cornerstone Government Affairs

  • 800 Maine Ave. SW Floor 7, Washington, DC, 20024, 

Clients:

1) ADOBE INC.

2) AIRJOULE, LLC

3) ALABAMA AGRICULTURAL AND MECHANICAL UNIVERSITY

4) ALLIED UNIVERSAL SECURITY SERVICES LLC

5) ANDURIL INDUSTRIES, INC.

6) CUBIC CORPORATION

7) ENVISION TECHNOLOGY, LLC

8) EPIRUS, INC.

9) FISTA DEVELOPMENT TRUST AUTHORITY

10) GLOBAL BUSINESS TRAVEL ASSOCIATION

11) LYTEN, INC.

12) NEW MEXICO STATE UNIVERSITY

13) NUMAT TECHNOLOGIES, INC.

14) PLAYGROUND GLOBAL, LLC

15) PRIMORDIAL LABS

16) PSIQUANTUM

17) R4 TECHNOLOGIES, INC.

18) RAJANT CORPORATION

19) RESPOND-US

20) RTX CORPORATION (FKA RAYTHEON TECHNOLOGIES CORPORATION)

21) RUNE TECHNOLOGIES, INC.

22) SAAB

23) SIGMA DEFENSE SYSTEMS LLC

24) SOUTHERN MILLS, INC., D/B/A TENCATE PROTECTIVE FABRICS

25) SUPPLY ENERGETICS, INC.

26) THE UNIVERSITY OF TEXAS AT SAN ANTONIO

27) UNITED LAUNCH ALLIANCE

28) XLIGHT INC.

29) ZERO - THE END OF PROSTATE CANCER

30) ZEROFOX, INC.

LobbyLinxLLC (215)480-0879 info@lobbylinx.com

Copyright © 2026 LobbyLinx. All rights reserved.