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GRM is a professional management company for two companies operated out of this address. The company is located in the headquarters for PreRay, a used yacht brokerage located in Lindenhurst, NY and Certa-Cote, a hot tar coating company operated out of the Bronx. 
25 Stone Gate Ct, Smithtown, NY 11787
(631) 406-7433
  • Accessibility Details: A handicapped parking space is available.
  • Hours: Mon - Fri, 9am - 5pm (by appointment only); Sat, Sun, closed
  • Hours: Mon, Tues, Thurs: 9:00am-4:00pm
  • Accessible: yes
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