I NEED THE MAILING ADDRESS AND PHONE NUMBER OF RW LYLE CO.
IN CALIFORNIA OR TEXAS

I believe the company you're looking for is R.W. Lyall & Company,
Inc., a manufacturer of polyethylene ball valves.

Here's contact information:

R.W. Lyall & Company, Inc.
Corporate Headquarters Mfg and Sales
2665 Research Drive, Corona, CA 92882-6918

Telephone: (800) 53 LYALL    Fax: (909) 270-1600

E-mail: info@rwlyall.com  

R.W. Lyall & Co: Contact
http://www.rwlyall.com/contact.php

The webpage linked above has an online form that you can use to
contact the company, and also has links to departmental email
addresses for Accounting, Engineering, Sales, Marketing, Customer
Service, Human Resources, and Quality.

There is also a separate customer service link, here:

R.W. Lyall & Co: Customer Service
http://www.rwlyall.com/locations/custserv.php 

Google search strategy:

Google Web Search: "rw lyall"
://www.google.com/search?hl=en&ie=UTF-8&q=%22rw+lyall

I hope this helps. If this is not the correct company, please request
clarification; I'll be glad to offer further assistance before you
rate my answer.

Best regards,
pinkfreud