- 737-HDU: Cincinnati Sub-Zero Products, Inc. (CSZ): OEM Acquisition
- Cincinnati Sub-Zero Products, Inc. (CSZ)
- 737-HDU: Cincinnati Sub-Zero Products, Inc. (CSZ): OEM Acquisition
- Cincinnati Sub-Zero Products, Inc. (CSZ)
- 737-HDU: Cincinnati Sub-Zero Products, Inc. (CSZ): OEM Acquisition
- Cincinnati Sub-Zero Products, Inc. (CSZ)