Information was obtained from firm representatives. Information on The List was supplied by individual companies through questionnaires and could not be independently verified by the Wichita Business Journal. Only those that responded to our inquiries were listed. In case of ties, companies are listed alphabetically. The Wichita area includes Sedgwick, Butler, Harvey, and Sumner counties.

Columbia Gas unveils renewable natural gas fleet vehicle
The system, known as NeuFuel, differs from compressed natural gas because it can be used at a lower pressure than CNG.


