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Marran Oil Llc

20 Corporate Dr Holtsville NY 11742
(631) 654-2500
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Information about this business (2)

Today's Marran is a full spectrum energy supplier, providing the latest in high-efficiency oil, gas and solar heating systems. Nobody knows how to keep your house warm the way Marran does. Our expert technicians design, install, and maintain the finest central air conditioning systems available. Trust Marran to provide the system that's just right for you. For more information about our HVAC,...

In 1935, during the Great Depression, Francis died, leaving his wife Marcelle and four young children. Against the advice of many individuals (who could not envision a woman running an oil company ) and warnings from competitors threatening to steal customers, Marcelle Marran took up the challenge of running Marran Oil. She not only succeeded in keeping the business going, but it was under her...

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Run for your life!!

Average Rating

used this company 30 years ago when they were truly a customer oriented family business. jack marran has led them down a different path to corporate mongers driven by greed arrogance! they are bullies, from top right on down to customer service. read the contract carefully. its all one sided and punitive. the service dept is the worst and takes multiple visits to fix any problem. they have...

Average Rating

This company offers service tragedy, instead of service excellence. They don't keep their promises and are punitive when dealing with customer issues. In my opinion, this is not a growing company, they are in a downward spiral. They bully customers and act in spiteful ways that one has to think is inconsistent with the values of the Marran family legacy. Profit goals now drive their behavior....

Business description (1)

Home heating oil and high efficiency heating and air conditioning equipment

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