Exhibit 21.1
SUBSIDIARIES OF AAR CORP. (1)
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| State of |
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Name of Corporation |
| Incorporation |
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AAR Services, Inc. (2) |
| Illinois |
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AAR Allen Services, Inc. (3) |
| Illinois |
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AAR Parts Trading, Inc. (4) |
| Illinois |
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AAR Aircraft Services, Inc. (5) |
| Illinois |
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AAR Aircraft & Engine Sales & Leasing (6) |
| Illinois |
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AAR International, Inc. (7) |
| Illinois |
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AAR Manufacturing Group, Inc. (8) |
| Illinois |
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Summa Technology, Inc. (9) |
| Alabama |
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AAR Aircraft Services — Miami, Inc. (10) |
| Florida |
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Aviation Maintenance Staffing, Inc. |
| Delaware |
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(1) | Subsidiaries required to be listed pursuant to Regulation S-K Item 601(b)(21). |
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(2) | Also does business under the names AAR Aircraft Services-Oklahoma and AAR Aircraft Services-Hot Springs. |
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(3) | Also does business under the names AAR Landing Gear Services, AAR Aircraft Component Services, Mars Aircraft Radio and AAR Wheels and Brakes Services. |
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(4) | Also does business under the names AAR Aircraft Turbine Center, AAR Allen Asset Management, AAR Defense Systems & Logistics, AAR Distribution, AAR Engine Sales & Leasing and AAR PMA Products. |
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(5) | Also does business under the name AAR Aircraft Services-Indianapolis. |
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(6) | Also does business under the names AAR Aircraft Sales & Leasing and AAR Financial Services Corp. |
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(7) | Also does business under the names AAR Distribution International, AAR Aircraft Component Services, AAR Engine Group International, AAR Aircraft Group International, AAR Manufacturing Group International, AAR Defense-Waddington, U.K., AAR Engineering Services - Asia and AAR Allen Group International. |
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(8) | Also does business under the names AAR Cargo Systems, AAR Mobility Systems, AAR Composites, AAR Brown International and AAR ATICS. |
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(9) | Also does business under the name AAR Summa. |
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(10) | Also does business under the name AAR Aircraft Services-Miami. |