This list shows firms in the Fortune 500, which ranks firms by total revenues reported before January 31, 2018.[4] Only the top five firms (if available) are included as a sample.
Integrated gas and electrical utility, including distribution and pipelines. The firm is also a provider of infrastructure development.
Notable firms
This list includes notable companies with primary headquarters located in the state. The industry and sector follow the Industry Classification Benchmark taxonomy. Organizations which have ceased operations are included and noted as defunct.