Lobbyist

MASON, ARTHUR

FILINGS KEY

Client Is Connected to China as Indicated in Filing
Client Is Connected to China as per Heritage Foundation Analysis
No Known Client Connection to China
Lobbying Terminated
Based on data as of March 27, 2026
Associated Filings (164)

Client
MASSACHUSETTS PORT AUTHORITY

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
1999

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ELOTTERY INC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
2001

Foreign Entities Connected to Client

None

Lobbyists

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Client
KING COUNTY

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
1999

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PROCTOR HOSPITAL

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2000

Lobbying Terminated
2006

Foreign Entities Connected to Client

None

Lobbyists

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Client
JEWISH FAMILY SERVICE ASSN OF CLEVELAND

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2000

Lobbying Terminated
2001

Foreign Entities Connected to Client

None

Lobbyists

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Client
ARNOLD & PORTER

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2000

Lobbying Terminated
2003

Foreign Entities Connected to Client

None

Lobbyists

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Client
BETHANY MEDICAL CENTER

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2001

Lobbying Terminated
2003

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
STEPAN CO

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2001

Lobbying Terminated
2002

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
SKY CHEFS

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2001

Lobbying Terminated
2002

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
LSG LUTHANSA SERVICE HOLDING AG
Germany
None

Lobbyists

View Filing

Client
HOLY SOUNDS

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2001

Lobbying Terminated
2003

Foreign Entities Connected to Client

None

Lobbyists

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Client
GALLATIN GROUP

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2003

Lobbying Terminated
2004

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
CB RICHARD ELLIS

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2003

Lobbying Terminated
2003

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
US INVESTIGATIONS SERVICE

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2003

Lobbying Terminated
2005

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BURKE REHABILITATION HOSPITAL

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2004

Lobbying Terminated
2006

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
LINCOLN ELECTRIC CO

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
1999

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
PROVIDENCE HOSPITAL

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2004

Lobbying Terminated
2007

Foreign Entities Connected to Client

None

Lobbyists

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Client
NSTAR

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2005

Lobbying Terminated
2007

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BAPTIST HEALTH CARE

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2005

Lobbying Terminated
2007

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
CONSTELLATION BUSINESS GROUP

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2005

Lobbying Terminated
2005

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ACCENTURE

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2005

Lobbying Terminated
2006

Foreign Entities Connected to Client

Entity Name
Country
Ownership %
ACCENTURE LTD
Bermuda
None

Lobbyists

View Filing

Client
I2S INC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2006

Lobbying Terminated
2007

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ANONYMIZER INC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2007

Lobbying Terminated
2009

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ONEIDA HEALTHCARE CENTER

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2008

Lobbying Terminated
2010

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
METH PROJECT FOUNDATION

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2008

Lobbying Terminated
2009

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
WARD DIESEL FILTER SYSTEMS

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2009

Lobbying Terminated
2010

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
NATIONAL AIR CARRIER ASSOCIATION

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2010

Lobbying Terminated
2011

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
JACKSONVILLE PORT AUTHORITY

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2011

Lobbying Terminated
2013

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BMW OF NORTH AMERICA LLC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2011

Lobbying Terminated
2016

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
GENSLER

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2012

Lobbying Terminated
2012

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
US DRIVE RIGHT

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2012

Lobbying Terminated
2013

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
CRYPTOLOGY RESEARCH INC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2012

Lobbying Terminated
2012

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
OXFAM AMERICA

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2014

Lobbying Terminated
2014

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
LOEWS GOVERNMENT AFFAIRS SERVICES INC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2015

Lobbying Terminated
2018

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
OSEN LLC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2016

Lobbying Terminated
2017

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
LAW OFFICES OF EUGENE VAMOS

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2016

Lobbying Terminated
2016

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
KATEEVA

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2016

Lobbying Terminated
2018

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MARNELL AK LLC

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2017

Lobbying Terminated
2018

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
BARRY UNIV

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
2001

Lobbying Terminated
2001

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
MONROE COMMUNITY COLLEGE

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
2000

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
FORUM HEALTH

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
2001

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
ST JOSEPHS HOSPITAL HEALTH CARE

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
2004

Foreign Entities Connected to Client

None

Lobbyists

View Filing

Client
LONG ISLAND UNIV

Lobby Firm
CASSIDY & ASSOCIATES INC

Filing Year
1999

Lobbying Terminated
2000

Foreign Entities Connected to Client

None

Lobbyists

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