- Source of wealth: Pipelines - Headquarters: Houston, TX The son of an oil worker, Dan Duncan founded Enterprise Products Partners in 1968. He later became one of the largest pipeline operators in the United States. Today, his eldest daughter, Randa Duncan Williams, chairs the Enterprise Prod...
- Source of wealth: Pipelines - Headquarters: Houston, TX The son of an oil worker, Dan Duncan founded Enterprise Products Partners in 1968. He later became one of the largest pipeline operators in the United States. Today, his eldest daughter, Randa Duncan Williams, chairs the Enterprise Prod...
- Source of wealth: Pipelines - Headquarters: Houston, TX The son of an oil worker, Dan Duncan founded Enterprise Products Partners in 1968. He later became one of the largest pipeline operators in the United States. Today, his eldest daughter, Randa Duncan Williams, chairs the Enterprise Prod...