| Company | Contact Information | Offers Windows Mobile 5.0 Smart Phone Models | Offers Windows Mobile 5.0 Pocket PC Phone Edition Models |
| Cingular | http://www.cingular.com 888-333-6651 | Yes | Yes |
| E-TEN | http://www.etencorp.com | No | Yes |
| HP | http://www.hp.com 800-752-0900 | No | Yes |
| HTC | http://www.htc.com | Yes | Yes |
| imate | http://www.clubimate.com | No | Yes |
| Motorola | http://www.motorola.com | Yes | No |
| Palm | http://www.palm.com 800-881-7256 | No | Yes |
| Samsung | http://www.samsung.com 800-Samsung | Yes | Yes |
| Sprint | http://www.sprint.com | No | Yes |
| T-Mobile | http://www.tmobile.com 800-937-8997 | Yes | Yes |
| UT Starcom | http://www.utstar.com 1-510-864-8800 | No | Yes |
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