EX-21.1 4 atni-20231231xex21d1.htm EX-21.1

Exhibit 21

SUBSIDIARIES OF ATN INTERNATIONAL, INC.

| Jurisdiction of Incorporation | Other name(s) under which entity does business
Alloy, Inc. (1) | Delaware | Commnet, Choice, Sacred Wind, Ethos
GTT, Inc. (2) | Guyana | GTT+, GTT Fibre, MMG, ATOC
One Communications, Ltd. (3) | Bermuda | One Communications, Logic
ATN VI, Inc.(4) | Delaware | Viya
ALSK Holdings, LLC. (5) | Delaware | Alaska Communications
Fireminds Holdings Ltd. (6) | Bermuda | Fireminds
ATN Overseas Holdings, Ltd. | Bermuda | ATN Overseas Holdings, Ltd.
ATN Shared Services, LLC | Delaware | ATN, ATN Shared Services

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| (1) | Includes twenty-three consolidated wholly owned subsidiaries also providing wholesale wireless voice and data services under the brand names listed above in the United States.

| (2) | Formerly known as Guyana Telephone and Telegraph Company Limited. Includes nine consolidated wholly owned subsidiaries also providing wireline,wireless and carrier services under the “GTT+” and "MMG" brand names in Guyana and three wholly subsidiaries providing carrier services under the “ATOC” brand name in the British Virgin Islands.

| (3) | Includes ten consolidated wholly owned subsidiaries also providing wireline and wireless services under the “One Communications” brand name in Bermuda and one wholly owned subsidiary providing wireline and wireless services under the “Logic” brand name in the Cayman Islands.

| (4) | Includes thirteen consolidated wholly owned subsidiaries also providing wireline and wireless services under the “Viya” brand name in the U.S. Virgin Islands.

| (5) | Includes thirty consolidated wholly owned subsidiaries also providing wireline and wireless services under the “Alaska Communications” brand name in Alaska.

| (6) | Includes three consolidated wholly owned subsidiary also providing managed services under the “Fireminds” brand name in Bermuda, Canada and the United States.