Enron

Energy company

DLR Group

Engineering company

Leo A Daly

Engineering company

Mutual of Omaha

Insurance company

First National Bank of Omaha

Private banking company

HDR

Engineering company

Omaha Central High School

Linoma Software

Company

Sitel

Customer service company

AviaBellanca Aircraft

Aircraft manufacturing company

Gordmans

Department store company

ATA Martial Arts

Buffett Foundation

Charitable organization

TD Ameritrade

Financial services company