Our highly-motivated, sustainable team  provides innovative solutions and is viewed by customers and suppliers as an extension of their organization.





Mary Ann Warren is a native Texan who brings over 30 years of chemical manufacturing and delivery experience to the company and the client. Mary was born and raised in Baytown, Texas graduating from Robert E. Lee High School and later obtaining an Associates Degree in Business Administration from Lee College. Mary started working with ChemCentral in Houston in 1980. Over the years she held progressively more responsible positions that included purchasing expediter, inventory control specialist, customer service representative and assistant office manager. Mary worked for Baker Hughes in a purchasing capacity before joining The Plaza Group.



Mary holds an Associate Degree in Business Administration from Lee College.


Mary Ann Warren

Mary Ann Warren

Customer Service


T: (713) 266-0707

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The Plaza Group · 1177 West Loop South, Suite 1450 · Houston, Texas 77027

Phone (713) 266-0707 · Fax (713) 266-8660 · Orders (800) 876-3738 · Email contact@theplazagrp.com


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