Company
- Northwest Airlines8
- United Air Lines7
- Transcontinental & Western Air, Inc.4
- Delta Airlines3
- Greyhound3
- Capital Airlines2
- Trans World Airline2
- Western Air Lines2
- Chicago and Southern Air Lines1
- Colonial Airlines1
- Eastern Air Lines Inc.1
- Indian National Airways1
- KLM Royal Dutch Airlines1
- National Airlines1
- New Haven Railroad1
- PCA1
- Peruvian International Airways1
- Santa Fe System Lines1
- Santa Fe Trailways1
- Trans Caribbean World Airways1
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