- Anthony's Ornamental Iron
- Apartment Gallery
- Apartments At Waterford
- Apex York Landscaping Contract
- Applebee's Neighborhood Grill
- Appliance Distribution
- Applied Industrial Tech Inc
- Applied Learning Group
- Apria Healthcare
- APS Wireless Communication
- Aqua Massage & Chiropractic
- Arastone Internet Inc
- Arby's
- Arc Applications
- Arc Machines Inc
- Architectural Doors & Hardware
- Architectural Testing Inc
- Arctic Contractors Inc
