EX-21 12 lumn20241231ex21.htm EX-21
Exhibit 21
LUMEN TECHNOLOGIES, INC.
SUBSIDIARIES OF THE REGISTRANT
AS OF December 31, 2024

Subsidiary |  | State of incorporation or formation
Actel, LLC |  | Delaware
Century Cellunet International, Inc. |  | Louisiana
Cellunet of India Limited |  | Mauritius
Century Telephone of West Virginia, Inc. |  | West Virginia
CenturyLink Community Giving Foundation, Inc. |  | Colorado
CenturyLink Communications, LLC |  | Delaware
Boxgate Holdings, LLC |  | Delaware
ELASTICBOX INC., SUCURSAL EN ESPAÑA |  | Spain
Q Fiber, LLC |  | Delaware
Qwest International Services Corporation |  | Delaware
Qwest Transoceanic, Inc. |  | Delaware
Qwest Peru S.R.L. |  | Peru
SEAL Consulting, Inc. |  | New Jersey
Lumen Technologies Philippines, Inc. |  | Philippines
Lumen Technology Services Taiwan Limited |  | Taiwan
Lumen Technologies Hong Kong Limited |  | Hong Kong
Lumen Technologies Colocation Hong Kong Limited |  | Hong Kong
Lumen Technologies Services (Shanghai) Co., Ltd. |  | China
Digital Savvis HK JV Limited |  | British VI
Digital Savvis HK Holding 1 Limited |  | British VI
Digital Savvis Investment Management HK Limited |  | Hong Kong
Digital Savvis Management Subsidiary Limited |  | Hong Kong
Lumen Technologies Services Malaysia Sdn. Bhd |  | Malaysia
Lumen Technologies (Thailand) Limited |  | Thailand
CenturyLink Canada, Inc. |  | Canada
SAVVIS Communications Chile, S.A. |  | Chile
SAVVIS Federal Systems, Inc. |  | Delaware
SAVVIS Communications International, Inc. |  | Delaware
Lumen Technologies Korea Limited |  | Korea
SAVVIS Communications Private Limited |  | India
SAVVIS Mexico, S.A. de C.V. |  | Mexico
CenturyTel Broadband Wireless, LLC |  | Louisiana
Qwest Broadband Services, Inc. |  | Delaware
CenturyTel of Chester, Inc. |  | Iowa
CenturyTel Holdings, Inc. |  | Louisiana
Century Marketing Solutions, LLC |  | Louisiana
CenturyTel Arkansas Holdings, Inc. |  | Arkansas
CenturyTel Holdings Alabama, Inc. |  | Alabama
CenturyTel Holdings Missouri, Inc. |  | Missouri
CenturyTel of the Northwest, Inc. |  | Washington

Subsidiary |  | State of incorporation or formation
Cascade Autovon Company |  | Washington
CenturyTel/Cable Layers, Inc. |  | Wisconsin
CenturyTel of Colorado, Inc. |  | Colorado
CenturyTel of Eagle, Inc. |  | Colorado
CenturyTel of Eastern Oregon, Inc. |  | Oregon
CenturyTel Entertainment, Inc. |  | Washington
CenturyTel of the Gem State, Inc. |  | Idaho
CenturyTel of Inter Island, Inc. |  | Washington
CenturyTel of Minnesota, Inc. |  | Minnesota
CenturyTel of Montana, Inc. |  | Oregon
CenturyTel of Oregon, Inc. |  | Oregon
CenturyTel of Paradise, Inc. |  | Washington
CenturyTel of Cowiche, Inc. |  | Washington
CenturyTel of Postville, Inc. |  | Iowa
CenturyTel of the Southwest, Inc. |  | New Mexico
CenturyTel Telecom Service, Inc. |  | Washington
CenturyTel Telephone Utilities, Inc. |  | Washington
CenturyTel of Washington, Inc. |  | Washington
CenturyTel/WORLDVOX, Inc. |  | Oregon
CenturyTel of Wyoming, Inc. |  | Wyoming
Eagle Valley Communications Corporation |  | Colorado
Pacific Telecom, Inc. |  | Oregon
Universal Manufacturing Corp. |  | Wisconsin
CenturyLink of Minnesota, Inc. |  | Minnesota
CenturyLink of Florida, Inc. |  | Florida
CenturyLink Interactive Holdings LLC |  | Delaware
CenturyLink Interactive Markets LLC |  | Delaware
CenturyLink Management Company |  | Delaware
CenturyLink Network Company, LLC |  | Delaware
CenturyLink of Nevada, LLC |  | Delaware
CenturyLink Intellectual Property LLC |  | Delaware
CenturyLink Sales Solutions, Inc. |  | Delaware
United Telephone Company of the Northwest |  | Oregon
United Telephone Company of the West |  | Delaware
CenturyTel of Idaho, Inc. |  | Delaware
CenturyTel Internet Holdings, Inc. |  | Louisiana
centurytel.com, LLC |  | Louisiana
CenturyTel Investments, LLC |  | Louisiana
CenturyTel Mobile Communications, Inc. |  | Louisiana
CenturyTel SM Telecorp, Inc. |  | Texas
CenturyTel Telecommunications, Inc. |  | Texas
Lumen Technologies Service Group, LLC |  | Louisiana
CenturyTel Supply Group, Inc. |  | Louisiana
CenturyTel Web Solutions, LLC |  | Louisiana

Subsidiary |  | State of incorporation or formation
Qwest Communications International Inc. |  | Delaware
Qwest Capital Funding, Inc. |  | Colorado
Qwest Services Corporation |  | Colorado
CenturyLink Investment Management Company |  | Colorado
Qwest Corporation |  | Colorado
1200 Landmark Center Condominium Association, Inc. |  | Nebraska
Qwest Database Services, Inc. |  | Colorado
Qwest India Holdings, LLC |  | Delaware
Lumen IT India Private Limited |  | India
Seal Infotech Private Limited |  | India
The El Paso County Telephone Company |  | Colorado
49 Percent Qwest Sub 1, LLC |  | Delaware
Qwest Dex Holdings, Inc. |  | Delaware
Lumen Technologies Government Solutions, Inc. |  | Colorado
Qwest Wireless, L.L.C. |  | Delaware
TelUSA Holdings, LLC |  | Delaware
Telephone USA of Wisconsin, LLC |  | Delaware
Western Re, Inc. |  | Louisiana
Wildcat Holdco LLC |  | Delaware
Level 3 Parent, LLC |  | Delaware
Legend Circle Holdings, Inc. |  | Delaware
Eldorado Acquisition Two, Inc. |  | Delaware
Level 3 EON, LLC |  | Delaware
Level 3 Financing, Inc. |  | Delaware
Streamroot, Inc. |  | Delaware
Streamroot SAS |  | France
Level 3 Holdings, Inc. |  | Delaware
Continental Holdings, Inc. |  | Wyoming
KMI Continental Lignite, Inc. |  | Delaware
Continental Level 3, Inc. |  | Delaware
Continental Mineral Sales, Inc. |  | Delaware
CCC Canada Holding, Inc. |  | Delaware
AmSoft Information Services Limited |  | Mauritius
Level 3 International Services, Inc. |  | Delaware
BTE Equipment, LLC |  | Delaware
Level 3 Communications Canada Co. |  | Nova Scotia
Level 3 Communications, LLC |  | Delaware
Level 3 Communications of Virginia, Inc. |  | Virginia
XCOM Technologies of New York, Inc. |  | New York
IP Networks, Inc. |  | Delaware
TelCove Operations, LLC |  | Delaware
TelCove of Pennsylvania, LLC |  | Delaware
WilTel Communications (Cayman) Limited |  | Cayman Islands
WilTel International Telecom (Chile) Limited |  | Cayman Islands

Subsidiary |  | State of incorporation or formation
Williams Comunicaciones Chile Limitada |  | Chile
WilTel Communications Network, Inc. |  | Canada
WilTel Communications, LLC |  | Delaware
WilTel Communications Pty Limited |  | Australia
Vyvx, LLC |  | Delaware
FTV Communications, LLC |  | Delaware
Broadwing, LLC |  | Delaware
Broadwing Communications, LLC |  | Delaware
Corvis Gratings Company |  | Nova Scotia, Canada
Corvis Canada Inc. |  | Quebec, Canada
Global Crossing North American Holdings, Inc. |  | Delaware
Global Crossing North America, Inc. |  | New York
Global Crossing Telecommunications, Inc. |  | Michigan
Global Crossing Local Services, Inc. |  | Michigan
Global Crossing Telemanagement VA, LLC |  | Virginia
Lumen Technologies Puerto Rico, LLC |  | Puerto Rico
Lumen Technologies St. Croix, LLC |  | US Virgin Islands
Level 3 Enhanced Services, LLC |  | Delaware
Level 3 Telecom, LLC |  | Delaware
Level 3 Telecom Holdings, LLC |  | Delaware
Level 3 Telecom Data Services, LLC |  | Delaware
Level 3 Telecom of Arizona, LLC |  | Delaware
Level 3 Telecom of Colorado, LLC |  | Delaware
Level 3 Telecom of Idaho, LLC |  | Delaware
Level 3 Telecom of Illinois, LLC |  | Delaware
Level 3 Telecom of Iowa, LLC |  | Delaware
Level 3 Telecom of Minnesota, LLC |  | Delaware
Level 3 Telecom of New Mexico, LLC |  | Delaware
Level 3 Telecom of Ohio, LLC |  | Delaware
Level 3 Telecom of Oregon, LLC |  | Delaware
Level 3 Telecom of South Carolina, LLC |  | Delaware
Level 3 Telecom of Tennessee, LLC |  | Delaware
Level 3 Telecom of Texas, LLC |  | Delaware
Level 3 Telecom of Utah, LLC |  | Delaware
Level 3 Telecom of Washington, LLC |  | Delaware
Level 3 Telecom Management Co., LLC |  | Delaware
Xspedius Management Co. International, LLC |  | Delaware
Level 3 Telecom of Alabama, LLC |  | Delaware
Level 3 Telecom of Arkansas, LLC |  | Delaware
Level 3 Telecom of DC, LLC |  | Delaware
Level 3 Telecom of Kansas City, LLC |  | Delaware
Level 3 Telecom of Kentucky, LLC |  | Kentucky
Level 3 Telecom of Louisiana, LLC |  | Delaware
Level 3 Telecom of Maryland, LLC |  | Delaware

Subsidiary |  | State of incorporation or formation
Level 3 Telecom of Mississippi, LLC |  | Delaware
Level 3 Telecom of Nevada, LLC |  | Delaware
Level 3 Telecom of Oklahoma, LLC |  | Delaware
Level 3 Telecom of Virginia, LLC |  | Virginia
Level 3 Telecom Holdings II, LLC |  | Delaware
Level 3 Telecom, LP |  | Delaware
Level 3 Telecom of California, LP |  | Delaware
Level 3 Telecom of Florida, LP |  | Delaware
Level 3 Telecom of Georgia, LP |  | Delaware
Level 3 Telecom of Hawaii, LP |  | Delaware
Level 3 Telecom of Indiana, LP |  | Delaware
Level 3 Telecom of New Jersey, LP |  | Delaware
Level 3 Telecom of New York, LP |  | Delaware
Level 3 Telecom of North Carolina, LP |  | Delaware
Level 3 Telecom of Wisconsin, LP |  | Delaware
Level 3 Asia, Inc. |  | Delaware
Level 3 Communications (Asia Pacific) Ltd. |  | Hong Kong
Level 3 International, Inc. |  | Delaware
Level 3 CDN International, Inc. |  | Delaware
Lumen Technologies New Zealand Limited |  | New Zealand
Lumen Technologies APAC Holdings Limited |  | United Kingdom
Level 3 Communications Australia Pty Ltd |  | Australia
Level 3 Communications Hong Kong Limited |  | Hong Kong
Lumen Communications India Private Limited |  | India
Lumen Technologies Asia Pacific Holdings Limited |  | Hong Kong
Lumen Technologies Australia Pty Ltd |  | Australia
Lumen Technologies Japan KK |  | Japan
Level 3 Communications Japan KK |  | Japan
Qwest Communications Korea, Limited |  | Korea
Qwest Hong Kong Telecommunications, Limited |  | Hong Kong
Lumen Technologies Singapore Pte. Ltd. |  | Singapore
Qwest Taiwan Telecommunications, Limited |  | Taiwan
Lumen Technologies Europe Holdings Limited |  | United Kingdom
Lumen Technologies CDN Ireland Limited |  | Ireland
Lumen Technologies Solutions UK Limited |  | United Kingdom
Lumen Technologies Solutions Poland S.P. Z.O.O. |  | Poland
Level 3 Telecom DE 1, LLC |  | Delaware
Level 3 Telecom DE 2, LLC |  | Delaware
Level 3 Telecom DE 3, LLC |  | Delaware
Level 3 Telecom C, LLC |  | Delaware
Level 3 Telecom C1 Limited |  | Cayman Islands
Level 3 Telecom C2 Limited |  | Cayman Islands

Subsidiary |  | State of incorporation or formation