EX-21.1 3 air-20250531xex21d1.htm EX-21.1

Exhibit 21.1

AAR CORP.

Subsidiaries, Affiliated Companies, and Joint Ventures

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Name(1) | Place of Incorporation | Ownership %(2)
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AAR CORP. (3) | Delaware | ​
AAR Aircraft & Engine Sales & Leasing, Inc. (4) | Illinois | ​
AAR Asset Management, LLC | Delaware | ​
AAR International Financial Services, L.L.C. | Illinois | 10%
AAR Aircraft Services, Inc. (5) | Illinois | ​
Aviation Maintenance Staffing, Inc. | Delaware | ​
Aeronautica Corporation (6) | Illinois | ​
AAR Airlift Group, Inc. (7) | Florida | ​
AAR Airlift Pakistan (Private) Limited | Pakistan | 50%
AAR Airlift S.A.S. | Colombia | ​
Wide Open Sky General Trading & Services, LLC | Iraq | ​
AAR Government Services, Inc. | Illinois | ​
AAR Airlift Group Afghanistan Inc. Logistic Services (8) | Afghanistan | ​
AAR Airlift Cyprus Limited | Cyprus | ​
AAR Airlift Panama, Inc. | Panama | ​
AAR Airlift Group Peru S.A.C. | Peru | 0.1%
AAR Airlift Group Peru S.A.C. | Peru | 99.9%
KALS, LLC (Joint Venture | Virginia | 49%
AAR Defence Services Canada ULC | British Columbia | ​
AAR International, Inc. (9) | Illinois | ​
AAR (25262) LLC | Delaware | ​
AAR Airlift Pakistan (Private) Limited | Pakistan | 50%
AAR Australia, L.L.C. | Illinois | ​
AAR Canada Holdings ULC | British Columbia | ​
AAR Aircraft Services – Windsor ULC (10) | British Columbia | ​
AAR Aircraft Services – Trois Rivieres ULC(11) | British Columbia | ​
AAR Global Services – Australia Pty Ltd (12) | Australia | ​
AAR Component Services (Thailand) Ltd | Thailand | 0.01%
AAR Component Services (Thailand) Ltd | Thailand | 99.99%
AAR International Financial Services, L.L.C. | Illinois | 90%
AARIFS (561) LLC | Illinois | ​
AARIFS (662) LLC | Delaware | ​
AARIFS (25092) LLC | Delaware | ​
AARIFS (25093) LLC | Delaware | ​
Primat Capital LLC (Joint Venture) | Delaware | 10%
Primat Capital 2019-I LLC | Delaware | ​
Primat Capital 2020-I LLC | Delaware | ​
Osprey 737-300 Leasing LLC | Delaware | ​

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Name(1) | Place of Incorporation | Ownership %(2)
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TN-AR Holdings LLC | Delaware | 1 Million Class A (Non-voting) Units
AAR Ireland Limited (13) | Ireland | ​
AAR Japan, Inc. | Illinois | ​
Airinmar Limited | United Kingdom | ​
Technisch Handelskantoor Lloyd B.V. | Netherlands | ​
Allen Airmotive Properties B.V. | Netherlands | ​
AAR Manufacturing, Inc. (14) | Illinois | ​
Brown International Corporation (15) | Alabama | ​
AAR Supply Chain, Inc. (16) | Illinois | ​
AAR Allen Services, Inc. (17) | Illinois | ​
AAR Component Services – Hot Springs, LLC | Arkansas | ​
xCelle Americas, LLC (Joint Venture) (20) | Delaware | 49.9%
AAR Component Services – Grand Prairie, Inc. | Delaware | ​
EP Aviation, LLC | Delaware | ​
AAR Sumisho Aviation Services LLC (Joint Venture) (19) | Delaware | 50%
Onset Aviation Parts, Inc. | Delaware | ​
Trax USA Corp. | Florida | ​
AAR CORP. Foundation | Illinois | ​

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| (1) | An italicized name means the entity is a subsidiary of the entity appearing in bold above it. An indentation means the entity is a subsidiary of the entity above.

| (2) | Where not wholly owned by AAR CORP. and/or one of its affiliated companies. Joint ventures are so noted.

| (3) | Also does business under the name AAR Aviation Corp.

| (4) | Also does business under the name AAR Aircraft Advisory Services.

| (5) | Also does business under the names AAR Aircraft Services — Indianapolis, AAR Aircraft Services — Oklahoma, AAR Aircraft Services —Duluth, AAR Aircraft Services — Rockford, AAR Aircraft Services – Miami, and AAR Engineering Services.

| (6) | Also does business under the name Aeronautica.

| (7) | Also does business under the names AAR Airlift, AAR Airlift Group, AAR Aircraft Services —Melbourne and AAR Rotorcraft Services.

| (8) | Also does business under the name AAR Defense Systems & Logistics.

| (9) | Also does business under the names AAR Aircraft Component Services International, AAR Engineering Services — Asia, Allen Asset Management, AAR International, Inc. – Dubai, AAR International, Inc. – Abu Dhabi.

| (10) | Also does business under the name AAR MRO Services-Canada, Windsor (ON).

| (11) | Also does business under the name AAR MRO Services-Canada, Trois Rivieres (QC).

| (12) | Also does business under the name AAR Defense Systems and Logistics.

| (13) | Also does business under the name AAR Aircraft Turbine Center.

| (14) | Also does business under the names AAR Mobility Systems, and AAR Manufacturing.

| (15) | Also does business under the name AAR Integrated Technologies.

| (16) | Also does business under the names AAR Aircraft Turbine Center, AAR Defense Systems & Logistics, Allen Asset Management, AAR Distribution, Airinmar, and AAR Electronics.

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| (17) | Also does business under the names AAR Aircraft Component Services, AAR Hermetic, AAR Petrotech, AAR Allen Services, Inc. - AAR Component Services – Wellington, Inc., and AAR Component Services – San Antonio.

| (18) | Also does business under the names AAR Landing Gear Services and AAR Wheels and Brakes Services.

| (19) | This entity is not a subsidiary but a separate joint venture entity under AAR Supply Chain.

| (20) | This entity is not a subsidiary but a separate joint venture entity under AAR Component Services – Hot Springs, LLC.

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