PALEONTOLOGISTS CIRCLE
Ernest and Sarah Butler
Natural Science Guild of Austin
The City of Austin Parks and Recreation Department
The University of Texas at Austin

CURATORS CIRCLE
Austin Commercial, LP . The Kodosky Foundation . Crescent Real Estate Equities
Graeber, Simmons & Cowan . Robert and Bettie Girling . The Austin Community Foundation
Mattsson-McHale Family Foundation . William and Bettye Nowlin . Anne Elizabeth and Will Wynn

DIGGERS CIRCLE
Austin Natural Science Association

EXPLORERS CIRCLE
Ben and Joanie Bentzin . Paul Koehler Brown . The Webber Family Foundation
Energy Engineering Associates . H-E-B . Texas Gas Service

PLATINUM SPONSORS
i2i . Fugro . Convergence Institute . TBG Partners
Baker-Aicklen & Associates, Inc.

GOLD SPONSORS
McKinney Drilling . Steel Design, Inc. . Tri Dal
Stephen and Stefani Griffith . Bailey and Beverly Griffith

SILVER SPONSORS
Capital Equipment . Capitol Aggregates

BRONZE SPONSORS
Texas Industrial Mechanical . Bank of America

SUPPORT
Austin Bridge & Road . SBC Foundation . Aaron Concrete . Seasha Pools
Barton Springs Nursery . Capitol City Steel . TXI