High Security Electrical Contractors

High Security Electrical Contractors We are a family owned and operated business serving Long Island for over 40 years. We service both new and existing residential and commercial properties.

Ran a 100Amp sub-panel line from an existing outdoor commercial panel to a new sub-panel 75ft away in a commercial garag...
03/06/2026

Ran a 100Amp sub-panel line from an existing outdoor commercial panel to a new sub-panel 75ft away in a commercial garage for a condo complex

Another boiler replacement
03/06/2026

Another boiler replacement

Replaced a small 3 phase 208v panel and 2 pole 220v sub panel to (1) 3 phase 60 circuit panel
03/06/2026

Replaced a small 3 phase 208v panel and 2 pole 220v sub panel to (1) 3 phase 60 circuit panel

Boiler replacement/conversion oil to electric.
03/06/2026

Boiler replacement/conversion oil to electric.

Some recent jobs
03/06/2026

Some recent jobs

01/08/2026

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Rooftop A/C unit replaced on route 110 in Melville. Before and after. Old conduit and wiring removed, new conduit and wi...
01/07/2026

Rooftop A/C unit replaced on route 110 in Melville. Before and after. Old conduit and wiring removed, new conduit and wiring installed. New rooftop conduit supports installed. You can see the old conduit was not well supported and was fractured and leaking. 2x4 wood was "supporting" old conduit. This new installation will last for years to come

New commercial lighting job. "UFO" lights as the are aptly nicknamed
01/07/2026

New commercial lighting job. "UFO" lights as the are aptly nicknamed

Rain date will be Sunday the 6th, if rain on the 6th then the following Saturday.
04/02/2025

Rain date will be Sunday the 6th, if rain on the 6th then the following Saturday.

54+ years in business, 2 generations, over 80 years of experience between us! No matter the need we have a solution for ...
02/18/2025

54+ years in business, 2 generations, over 80 years of experience between us! No matter the need we have a solution for you!

Address

Melville, NY
11747

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm
Saturday 9am - 7pm
Sunday 10am - 5pm

Telephone

+15169960056

Website

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