Exhibit 21
LIST OF SUBSIDIARIES OF ALTICE USA, INC.
 
Name of Subsidiary
 
Jurisdiction of Incorporation or Organization
1111 Stewart Corporation
 
Delaware
4Connections LLC
 
New Jersey
a4 Media and Data Solutions, LLC
 
Delaware
doing business as a4 Media
 
Delaware
A R H, LTD.
 
Colorado
doing business as Suddenlink Communications - CO
 
Colorado, West Virginia
A-R Cable Services — NY, Inc.
 
New York
Altice Media Solutions LLC
 
Delaware
Altice Real Estate Corporation
 
New York
Altice USA Employee Disaster Relief Fund
 
Delaware
Altice, USA, Inc.
 
Delaware
doing business as Altice
 
New York
doing business as Altice USA
 
New York
Altice USA Wireless, Inc.
 
Delaware
ATS Home Security Installers, Inc.
 
Delaware
Audience Partners Canada, Inc.
 
Canada
Audience Partners, LLC
 
Pennsylvania
doing business as a4 Media
 
Pennsylvania
Audience Partners Worldwide LLC
 
Delaware
Cable Systems, Inc.
 
Kansas
doing business as Suddenlink Communications
 
Kansas, West Virginia
Cablevision Lightpath CT LLC
 
Delaware
Cablevision Lightpath NJ LLC
 
Delaware
Cablevision Lightpath, Inc.
 
Delaware
Cablevision NYI L.L.C.
 
Delaware
Cablevision Of Brookhaven, Inc.
 
Delaware
Cablevision Of Hudson County, LLC
 
Delaware
Cablevision Of Litchfield, Inc.
 
Delaware
Cablevision Of Monmouth, LLC
 
Delaware
Cablevision Of New Jersey, LLC
 
Delaware
Cablevision Of Newark
 
New York
Cablevision Of Oakland, LLC
 
Delaware
Cablevision of Ossining Limited Partnership
 
Massachusetts
Cablevision Of Paterson, LLC
 
Delaware
doing business as Cablevision of Allamuchy
 
New Jersey
Cablevision of Rockland/Ramapo, LLC
 
Delaware
Cablevision Of Southern Westchester, Inc.
 
New York
Cablevision Of Wappingers Falls, Inc.
 
Delaware
Cablevision Of Warwick, LLC
 
Delaware
Cablevision Systems Brookline Corporation
 
Delaware
Cablevision Systems Corporation
 
Delaware
Cablevision Systems Dutchess Corporation
 
New York
Cablevision Systems East Hampton Corporation
 
New York
Cablevision Systems Great Neck Corporation
 
New York
Cablevision Systems Huntington Corporation
 
New York
 





Cablevision Systems Islip Corporation
 
New York
Cablevision Systems Long Island Corporation
 
New York
Cablevision Systems New York City Corporation
 
Delaware
Cablevision Systems Suffolk Corporation
 
New York
Cablevision Systems Westchester Corporation
 
New York
Cebridge Acquisition, L.P.
 
Delaware
doing business as Cebridge Connections
 
Arkansas, North Carolina, Ohio, Virginia
doing business as Cebridge Connections OK
 
Oklahoma
doing business as Suddenlink Communications
 
Arkansas, California, Delaware, Louisiana, Mississippi, Missouri, New Mexico, North Carolina, Oklahoma, Texas
doing business as Suddenlink Communications VI
 
Kentucky
doing business as Suddenlink Media
 
Arkansas, California, Delaware, Louisiana, Mississippi, Missouri, New Mexico, North Carolina, Oklahoma, Texas
Cebridge Acquisition, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, Kentucky, Ohio, Virginia, West Virginia
doing business as Suddenlink Media
 
Ohio, Virginia, West Virginia
doing business as Suddenlink Media I
 
Kentucky
Cebridge Connections Finance Corp.
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Connections, Inc.
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Corporation
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge General, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Limited, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Telecom CA, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, California
Cebridge Telecom General, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Telecom ID, LLC
 
Delaware
doing business as Suddenlink Communications
 
Idaho
Cebridge Telecom IN, LLC
 
Delaware
doing business as Suddenlink Communications
 
Indiana
Cebridge Telecom KS, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, Kansas
Cebridge Telecom KY, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
doing business as Suddenlink Communications V
 
Kentucky
Cebridge Telecom LA, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
doing business as Suddenlink Communications LA
 
Louisiana
doing business as Suddenlink LA
 
Louisiana
Cebridge Telecom Limited, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Telecom MO, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, Missouri
Cebridge Telecom MS, LLC
 
Delaware
 






doing business as Suddenlink Communications
 
Delaware, Mississippi
Cebridge Telecom NC, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, North Carolina
doing business as Cox Business Services
 
North Carolina
doing business as Cox Communications
 
North Carolina
Cebridge Telecom NM, LLC
 
Delaware
doing business as Suddenlink Communications
 
New Mexico
Cebridge Telecom OH, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, Ohio
Cebridge Telecom OK, LLC
 
Oklahoma
doing business as Suddenlink Communications
 
Delaware
doing business as Suddenlink Communications OK
 
Oklahoma
doing business as Cebridge Communications Telecom
 
Oklahoma
Cebridge Telecom TX, L.P.
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cebridge Telecom VA, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, Virginia
Cebridge Telecom WV, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware, West Virginia
doing business as Cebridge Connections
 
West Virginia
Cequel Capital Corporation
 
Delaware
Cequel Communications Access Services, LLC
 
Delaware
Cequel Communications Holdco, LLC
 
Delaware
Cequel Communications Holdings, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cequel Communications II, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cequel Communications III, LLC
 
Delaware
doing business as Suddenlink Communications
 
Delaware
Cequel III Communications I, LLC
 
Delaware
doing business as Suddenlink Communications
 
California, Idaho, Ohio, Texas, West Virginia
doing business as Cebridge Connections
 
Delaware, Idaho, Texas, Virginia, West Virginia
doing business as Suddenlink Communications IV
 
Kentucky
doing business as Suddenlink Communications VI
 
Louisiana
Cequel III Communications II, LLC
 
Delaware
doing business as Suddenlink Communications
 
Arkansas, Delaware, Indiana, Missouri, North Carolina, Ohio, West Virginia
doing business as Cebridge Connections
 
Arkansas, Delaware, Illinois, Indiana, Pennsylvania, Virginia, West Virginia
doing business as Suddenlink Communications II
 
Illinois, Kentucky
Cequel Wireless, LLC
 
Delaware
Classic Cable of Louisiana, L.L.C.
 
Louisiana
doing business as Classic Cable
 
Louisiana
doing business as Correctional Cable
 
Louisiana
doing business as Suddenlink Communications IV
 
Louisiana
Classic Cable of Oklahoma, Inc.
 
Delaware
 
doing business as Cebridge Connections
 
Delaware, Oklahoma
doing business as Suddenlink Communications
 
Delaware
doing business as Cable Network Advertising
 
Oklahoma
doing business as Correctional Cable
 
Oklahoma
doing business as Suddenlink Communications II
 
Oklahoma
Classic Cable, Inc.
 
Delaware
doing business as Suddenlink Communications
 
Delaware





Classic Communications, Inc.
 
Delaware
doing business as Cebridge Connections, Inc.
 
Delaware
doing business as Suddenlink Communications
 
Delaware
doing business as Cebridge Connections, Inc.
 
Texas
Coram Route 112 Corporation
 
Delaware
CSC Acquisition Corporation
 
Delaware
CSC Acquisition-MA, Inc.
 
Delaware
CSC Acquisition-NY, Inc.
 
New York
CSC Gateway, LLC
 
Delaware
CSC Holdings, LLC
 
Delaware
CSC Investments LLC
 
Delaware
CSC MVDDS LLC
 
Delaware
CSC NASSAU II, LLC
 
Delaware
CSC Optimum Holdings, LLC
 
Delaware
CSC T Holdings I, INC.
 
Delaware
CSC T Holdings II, INC.
 
Delaware
CSC T Holdings III, INC.
 
Delaware
CSC T Holdings IV, INC.
 
Delaware
CSC Technology, LLC
 
Delaware
CSC TKR, LLC
 
Delaware
doing business as Cablevision of Elizabeth
 
New Jersey
doing business as Cablevision of Hamilton
 
New Jersey
doing business as Cablevision of Morris
 
New Jersey
doing business as Cablevision of Raritan Valley
 
New Jersey
CSC Transport II, Inc.
 
Delaware
CSC Transport III, Inc.
 
Delaware
CSC Transport, Inc.
 
Delaware
CSC VT, Inc.
 
Vermont
CSC Wireless, LLC
 
Delaware
dba Altice Mobile
 
Kentucky, Mississippi
CSC Wireless NY, LLC
 
Delaware
dba Altice Mobile
 
New York
DTV Norwich LLC
 
Delaware
Friendship Cable Of Arkansas, Inc.
 
Texas
doing business as Cable Network Advertising
 
Arkansas
doing business as Cebridge Connections
 
Arkansas, Texas
doing business as Classic Cable
 
Arkansas
doing business as Classic Communications
 
Arkansas, Missouri
doing business as Correctional Cable
 
Arkansas, Missouri, Texas
doing business as Friendship Cable
 
Arkansas
doing business as Suddenlink Communications
 
Arkansas, Missouri, Texas
doing business as Suddenlink Communications V
 
Arkansas
Friendship Cable Of Texas, Inc.
 
Texas
doing business as Suddenlink Communications
 
California, Indiana, New Jersey, Ohio, Texas, West Virginia, Wisconsin
doing business as Cebridge Connections
 
Colorado, Pennsylvania, Texas
doing business as Correctional Cable
 
Colorado, Illinois, Indiana, Iowa, Kentucky, Maryland,
 

 





 
 
Michigan, Montana, New York, North Carolina, North Dakota, Ohio, Pennsylvania, Tennessee, Texas, Virginia, West Virginia, Wisconsin
doing business as Suddenlink Communications I
 
Colorado, Illinois, Kentucky, Louisiana, Michigan, Tennessee
doing business as Classic Cable
 
Indiana, Kentucky, North Carolina, Pennsylvania, Virginia, West Virginia
doing business as Classic Communications
 
Indiana, Kentucky, North Carolina, Pennsylvania, West Virginia
doing business as Cable Network Advertising
 
Kentucky, North Carolina, Pennsylvania, Texas, Virginia, West Virginia
doing business as Correctional Cable TV
 
New Jersey
Frowein Road Corporation
 
Delaware
Hornell Television Services, Inc.
 
New York
doing business as Charter Communications
 
New York
doing business as Suddenlink Communications
 
West Virginia
i24 News France
 
France
i24 News S.a.r.l.
 
Luxenberg
i24 US Corp
 
Delaware
I24 US, LLC
 
Delaware
Kingwood Holdings, LLC
 
Delaware
Kingwood Security Services, LLC
 
Delaware
doing business as Suddenlink Security
 
Arizona, Arkansas, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, Ohio, Texas, West Virginia
doing business as Correctional Cable
 
Nevada
Lightpath VOIP, LLC
 
Delaware
Mercury Voice and Data, LLC
 
Delaware
doing business as Suddenlink Communications
 
Arizona, California, Delaware, Missouri, Nevada
Middle East News
 
Luxenberg
MSGVN LLC
 
Delaware
N12N LLC
 
Delaware
News 12 Company
 
New York
doing business as 12 Long Island
 
New York
News 12 Connecticut LLC
 
Delaware
News 12 Networks LLC
 
Delaware
News 12 New Jersey Holding LLC
 
Delaware
News 12 New Jersey II Holding LLC
 
Delaware
News 12 New Jersey LLC
 
Delaware
News 12 The Bronx Holding LLC
 
Delaware
News 12 The Bronx, L.L.C.
 
Delaware
News 12 Traffic and Weather LLC
 
Delaware
News 12 Varsity Network LLC
 
Delaware
News 12 Westchester LLC
 
Delaware
Newsday Holdings LLC
 
Delaware
Newsday LLC
 
Delaware
NMG Holdings, INC.
 
Delaware
NPG Cable, LLC
 
Delaware
doing business as Suddenlink Communications
 
Arizona, California, Delaware, Missouri, Nevada
NPG DIGITAL PHONE, LLC
 
Delaware
doing business as Suddenlink Communications
 
Arizona, California, Delaware, Missouri
Ntelligis Holdings, LLC
 
Delaware
NY Interconnect, LLC
 
Delaware
NY OV LLC
 
Delaware
ORBIS1, L.L.C.
 
Louisiana
OV LLC
 
Delaware
 






Petra Cablevision Corp.
 
New York
Princeton Video Image Israel, Ltd.
 
Israel
Samson Cablevision Corp.
 
New York
SL3TV, LLC
 
Delaware
Suffolk Cable Corporation
 
New York
Suffolk Cable Of Shelter Island, Inc.
 
New York
Suffolk Cable Of Smithtown, Inc.
 
New York
TCA Communications, L.L.C.
 
Texas
doing business as Suddenlink Communications
 
Arkansas, Texas
Telerama, Inc.
 
Ohio
The New York Interconnect L.L.C.
 
Delaware
Tristate Digital Group LLC
 
Delaware
Universal Cable Holdings, Inc.
 
Delaware
doing business as Suddenlink Communications
 
Arizona, California, Colorado, Delaware, Illinois, Indiana, Maryland, Nebraska, New Jersey, Ohio, Tennessee, Texas, Washington, West Virginia
doing business as Suddenlink Communications III
 
Kentucky, Louisiana, Oklahoma
doing business as Correctional Cable
 
Nebraska, Texas
doing business as Correctional Cable TV
 
New Jersey
doing business as Altice Technical Services
 
Kentucky, Missouri and Ohio
W.K. Communications, Inc.
 
Kansas
doing business as Suddenlink Communications
 
Missouri