Home › New York › Suffolk County › Whole-House Generator Installation › Riverhead

Whole-House Generator Installation in Riverhead, New York

5 businesses offering whole-house generator installation with a Riverhead address in Suffolk County, NY. Updated 9-22-26.

Business	Phone	Website
Advanced Electrical SolutionsRiverhead	(631) 723-0053	—	Report Phone doesn’t work
Commander Power SystemsRiverhead	(631) 765-6400	commanderpowersystems.com	Report Phone doesn’t work Website doesn’t work
F M Electric Inc.Riverhead	(631) 727-6822	newyork-electrician.com/electrician-in-riverhead	Report Phone doesn’t work Website doesn’t work
National GridRiverhead	(800) 322-3223	nationalgridus.com	Report Phone doesn’t work Website doesn’t work
Tuthill Electric CorporationRiverhead	(631) 722-4380	—	Report Phone doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All whole-house generator installation in Suffolk County, by townAll 105 trades in Suffolk County