Caterpillar_Inc. | keyPerson | Douglas_R._Oberhelman Caterpillar_Inc. | location | Illinois Caterpillar_Inc. | foundationPlace | California AIDAluna | powerType | Caterpillar_Inc.
Douglas R. Oberhelman is a key person at Caterpillar Inc which was founded in California. The company is located in Illinois and provides the engine power for the AIDAluna.