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UTILITIES & ENVIRONMENT
   
Energy Mark LLC.
6653 Main Street
Williamsville, NY 14221
716-632-1800
EnergyMark Electric & Natural Gas Supply. WNY’s largest private energy supplier. Commercial, Industrial, and Residential users trust EM for savings, strategy & service.
 
National Fuel
6363 Main Street
Williamsville, NY 14221
1-800- 365-3234
National Fuel sells or transports natural gas to more than 740,000 customers in western New York and northwestern Pennsylvania. The company is keenly focused on customer service and the safe and efficient delivery of natural gas. 
 
National Grid
144 Kensington Avenue
Buffalo, NY 14214
716-831-7767
An electricity and natural gas delivery company that connects nearly 7 million customers to vital energy sources through its networks in New York, Massachusetts and Rhode Island. National Grid is transforming its electricity and natural gas networks to support the 21st century digital economy with smarter, cleaner, and more resilient energy solutions.