← All generator installers in Nassau & Suffolk
GJS Electric LLC is based in Mattituck and mentions generators on its own website, with a focus on lighting and home automation, serving eastern Long Island for more than 20 years.
Phone shown is the company's own website number, as decided during review; directories list a different number, which is not used here.
Eastern Long Island: Cutchogue, East Marion, Southampton, Southold, Shelter Island, Westhampton, Quogue
No license number is published on the company’s own website, so no number is shown here. New York has no statewide electrician license; Nassau and Suffolk counties license electricians separately.
6619 Main Rd, Mattituck, NY
631-298-4545
Generator work is priced after a site visit — no installer in this guide prices your job sight unseen. Send one request and compare up to three local quotes.
Get quotes — freeGenerac PowerPro Elite dealer in Hempstead serving all of Nassau and Suffolk. Its own website publishes county license numbers and a 22 kW installed price of $11,000–$16,500.
Mineola electrician offering generator installation, serving Nassau and Suffolk. Its own website publishes two numbers: the main number and a “South” number for its Syosset listing — the same company.
Albertson company in business since 1961 that installs, maintains and repairs generators, serving Long Island and Queens.