Changes to Vendor Information
Address changes: Please send a signed letter on company letterhead notifying Mark L. Shidler, Inc. of your current/correct remit-to address.
Name changes: Please send all certified company change documentation along with a signed letter stating details of the change, as well as an updated W-9.
Please mail to:
Mark L. Shidler, Inc.
Attn: Accounts Payable
1313 Campbell Rd., Bldg. D
Houston, TX 77055
