The survey area includes Albany, Columbia, Fulton, Greene, Montgomery, Rensselaer, Saratoga, Schenectady, Schoharie, Warren and Washington counties. Information on The List was supplied by individual residences through questionnaires and could not be independently verified in all cases by the Albany Business Review. In case of ties, companies are listed alphabetically. NA denotes not answered or not applicable.
The system, known as NeuFuel, differs from compressed natural gas because it can be used at a lower pressure than CNG.