Flame Rite Gas Service is a Mamaroneck-based utility company specializing in the distribution of natural gas.
Westchester Joint Water Works is the utilities company supplying Harrison, Mamaroneck, New Rochelle and Rye with fresh water. The company's Web site contains metering and water quality information.
Washingtonville Fuel Corporation offers fixed and capped fuel rates for the Sound Shore area. It is located toward the bottom of Library Lane.