Mike Schutter
President
210-215-8824
schutterm@vmcmail.com
Vulcan Materials Co.
San Antonio

Ronald Robles
Vice President
830-934-2625
roblesr@vmcmail.com 
Vulcan Materials Company Knippa

Clay Coleman
Vice President
830-591-1400
sta_clay@yahoo.com
South Texas Aggregates
Uvalde

Chris Havelka
Secretary
830-278-6205
havelkac@vmcmail.com
Vulcan Materials Co.
Uvalde

For corrections/additions please contact jhenderson@mail.utexas.edu or 512-232-2238.

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updated 9/08