- Omni Financial Services
- Omni Fitness
- Omni Fitness Equipment
- Omni Fitness Equipment Specialists
- Omni Medical Group
- Omni Video
- Omniserve Wireless
- Omron Electronics
- On Broadway
- On Target
- On the Avenue
- On The Border
- On the Border Mexican Cafe
- On the Go
- On the Go Wireless
- On the Rocks
- On The Run
- On The Run Store
- On the Spot
- Once & Again
- Once Upon A Child
- Once Upon A Time
- One
- One Cut Above
- One Dollar Shop
- One Dollar Store
- One Hair Place
- One Hour Air Conditioning & Heating
- One Hour Cleaners
- One Hour Martinizing Cleaners
- One Hour Moto Photo
- One Hour Motophoto & Portrait Studio
- One Hour Optical
- One Hour Photo
- One Hour Photo Express
- One Hour Photo Laboratory
- One Low Price Cleaners
- One of A Kind
- One Price & More