Aircraft tractor supplier selection (ATSS) is critical for equipment procurement management in airport ground handling service (AGHS) companies because it guarantees the work safety of airport ramps. Although AGHS ATSS plays a crucial role in the safety of ground handling ramp operations, few studies have analyzed the ATSS of AGHS companies. This paper describes a new approach to compare the Delphi method, analytic hierarchy process, involvement cost-factor measures, and multi-choice goal programming by considering both financial and nonfinancial factors for ATSS from a financial perspective. In particular, we introduce a real case to demonstrate the practicability of the proposed approach.

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