Businesses and Occupations
- Publishers Clearing House
- Publix Super Markets Inc
- Pulaski Furniture Corp
- Purolator Products Company
- Pythagorean theorem
- Qantas Airways Limited
- Quaker Oats Company
- Quaker State Corp
- Qualcomm Inc
- Quality circles
- Quality control
- Quanex Corp
- Quantum Corp
- Quebecor Inc
- Questar Corp
- Quiksilver Inc
- Quintiles Transnational Corp
- R. H. Macy & Co., Inc.
- R.G. Barry Corp
- R.R. Donnelley & Sons Company