Many universities, small business and companies from Fortune 500 and Nasdaq 100 are <oXygen/> customers. This is a partial list with some of them listed by industry:
| Advertising & Marketing | Aerospace & Defense |
| Automotive | Biotech-Pharmaceuticals |
| Business Solutions, Outsourcing | Consumer Food Products |
| Education & Research | Energy |
| Government/International Organisations | Insurance |
| Internet & eBusiness | Investments & Financial |
| Legal | Manufacturing |
| Medical & Healthcare | Metals, Mining & Crude-Oil Production |
| Property Management & Real Estate | Publishing, Printing & Production |
| Scientific, Photo & Control Equipment | Semiconductors & E-Components |
| Technology | Telecommunications |
| Transportation | Travel & Hospitality |
