Services Provided

SEI electrical contractors takes a hands-on approach to projects, offering a great deal of services to our clients. 


Job cost analysis and budgeting for architects, contractors and owners during the preliminary design stages of projects.


Value engineering of projects to best suit our clients' financial objectives.


Full communication with architects, contractors and owners, lending assistance in reviewing designs and details that are both compatible and proficient in the construction of their projects.


Introduction and use of new products and the latest up-to-date construction procedures used in the electrical industry.


Get detailed information on our fields of expertise by calling 631-563-6848. Our technicians will provide straightforward answers to all your wiring questions.


Our expertise covers a wide range of fields.


We perform electrical installations for private, commercial and industrial clients, including the installation of energy-efficient lighting technology and cable bus systems.


In addition, our company offers the following services: 

  • Maintenance and repair of existing electrical systems
  • Electrical installations
  • Data processing cables
  • Emergency standby generators
  • Outside lighting
  • Modernization of electrical installations in old structures
  • Fault locating 

Our professional electricians will keep you well informed at every stage of the project. 


Sayville Electric
47 Colony Dr

West Sayville, NY 11796


Phone Sayville:



Phone Sag Harbor:



In order to better service our East End clientele, as of January 1, 2013 we have opened a second location in

Sag Harbor.


New Online Internet Presence

Find out more about our company and our services through our new internet site.