Platinum Level

Accenture
Caterpillar Inc.
CEMEX, INC.
General Mills
IBM Corporation
Koch Industries Inc.
Procter & Gamble
Rockwell Collins
United Parcel Service

Gold Level

American Airlines
Bandag, Incorporated
Bemis Flexible Packaging
Cargill
Emerson Process Mgmt., Rosemount Inc.
Guidant Corporation
MidAmerican Energy Holdings Company
Pella Corporation
Teradyne, Inc.
Turbine Fuel Technologies, Goodrich Corp.
Yellow Freight System

Silver Level

Boston Scientific Scimed, Inc.
Cedar River Paper, a Weyerhaeuser Business
Dow Chemical
Dynegy
Equistar Chemicals
HDR Engineering, Inc.
Kiewit
Monsanto
Taylor Ball
TRW Inc.
Turner Construction Company
Union Pacific Railroad
United States Navy
URS Corporation
Weis Builders, Inc.

Bronze Level

Allsteel Inc.
Burns & McDonnell
Cajun Constructors
George Butler Associates
Intermec Technologies Inc.
J.E. Dunn Construction Company
Massman Construction Co.
Minnesota Corn Processors, LLC
Rinker Materials Prestress
Russell Construction Company, Inc.
The Stanley Group
Wilson & Company
Xcel Energy

If you would like to receive information about becoming a sponsor, please call 515-294-2541.