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Sprague is proud to now power the Castle brand. Customers will benefit from a wider network of petroleum supply terminals, and access to an extensive portfolio of natural gas and electricity products catering to residential and commercial property management needs. Founded more than 140 years ago, Sprague’s record of dependability and integrity has withstood the test of time. No other New York City energy supplier has capabilities as robust. We look forward to serving you.

Click here to read about how Castle’s Foundation is Now Stronger Than Ever.

Products/ServicesProduct SpecificationsCommercial Natural Gas

It takes a special kind of energy to make it in New York


At Castle, we carry the three principal grades of Fuel Oils, Transportation Grade Diesel Fuels and Bio Fuels.

Natural Gas you can buy anywhere.
Here you can manage it.



When it comes to your energy needs , you deserve an experienced partner. For over eight decades, we've been serving the unique energy needs of the New York market.

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Every shipment of fuel is tested before it is loaded into our terminals and our inventory is tested daily to ensure it meets all applicable specifications and is free of contaminants.

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It's tempting to buy a commodity like natural gas on price alone, but there are other variables to consider. Length of contract. Risk tolerance. Weather impact. Usage swings. Contracted swing bands.

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