| Title | Country |
| Qmax Systems, Pittsburgh | United States |
| CA Technologies, Pittsburgh | United States |
| TEKsystems, Pittsburgh | United States |
| Premiere Global Services, Inc., Pittsburgh | United States |
| EMC Corporation, Pittsburgh | United States |
| Nityo Infotech Services Pte Ltd, Pittsburgh | United States |
| InRhythm Solutions Private Limited, Pittsburgh | United States |
| Extentia Information Technology, Pittsburgh | United States |
| 7Hills, Pittsburgh | United States |
|
| Google Inc.., Pittsburgh | United States |
| BMC Software, Pittsburgh | United States |
| Kris Staffing Solutions Pvt. Ltd., Pittsburgh | United States |
| mindlance, Pittsburgh | United States |
| TimeSys Corporation, Pittsburgh | United States |
| Computer Task Group, Inc, Pittsburgh | United States |
| Mainstay Teleservices, Pittsburgh | United States |
| ObjectWin Technology, Pittsburgh | United States |
| PHi Business Solutions Ltd, Pittsburgh | United States |
|
|
| PHi Business Solutions Ltd, Pittsburgh | United States |
| Zenith Infotech Ltd, Pittsburgh | India |
| SCA Technologies, Pittsburgh | United States |
| Acusis, Pittsburgh | United States |
| Accenture Services Private Limited, Pittsburgh | United States |
|
| Computer Enterprises, Inc, Pittsburgh | United States |
| Prithvi Information Solutions, Ltd, Pittsburgh | United States |