There are many companies offering a home warranty - some of them are listed below. Choose the one that best fits your needs.
AMERICAN HOME SHIELD
CHOICE HOME WARRANTY
FIDELITY NATIONAL HOME WARRANTY
HOME WARRANTY OF AMERICA
LANDMARK HOME WARRANTY
An article to help you make a selection: What to Look for in a Home Warranty
If you prefer a video presentation of what a home warranty is - and is not, AHS - American Home Shield has done a great job with that. The following videos are presented for educational purposes. Each Home Warranty Company will have specific details on the coverage they offer. Be sure to thoroughly review the coverage you select. What is in writing counts!
See their video collection: https://www.youtube.com/channel/UCWdwIE3yZBy1mb76iYfFdVg
The Texas Office of Insurance provides an on line tool for price shopping and comparison. It is a way to know what else is out there in insurance coverage.
(that link is to a Texas.gov site - ya'll be sure to let us know if the link stops working so we can update it)