- Bio Laboratories
- Carson Pharmaceuticals
- Cowan Chemistry Plant
- Donna Day Fashions
- Gotham Genetics
- Gotham Ice Cream Industries
Gotham Jewelry Planet- Gotham Pharmaceuticals
- Gotham Shipping
- Gotham Space Labs
- Hathcock Shipping Company
- Lana Lang Fashions
- Macurity Manufacturing
- Newman's Import/Export Company
- Rogar
- Sharp Alert Car Locators
- Sloan Securities
- Time All Watch Company
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DC Animated Universe:List of unwritten company articles
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