- Yelcot Telephone Co
- Yelcot Telephone Co
- Yelcot Telephone Co Inc
- Yelcot Telephone Repair Svc
- Yellow Book
- Yelsot Telephone Co
- Yipes Communications Inc
- Yolanda M Cummings
- Yolanda M Cummings
- York Telecom
- York Telecom Corp
- York Telephone Co
- Your Phone Co
- Yourtel Inc
- Yukon Telephone Co
- Yvtmc Elaine Miller Back Up
- Zebra Communications
- Zenda Telephone Co
- Zephyr Telecommunications Inc
- Zero One Communications
- ZH Technologies Inc
- Zumbrota Telephone Co
