Commercial Electrical Services


Commercial electricians specializing in installation, maintenance, and repair for Long Island

What you should consider when choosing an electrical contractor.

  • Contractor has quick response time for service calls
  • Contractor has immediate availability of parts
  • Contractor is properly licensed and insured
  • Contractor is experienced and does quality work
  • Contractor is willing to supply references
  • The work meets the National Electrical Code

You can rest assured that Mohrmann Electric meets and exceeds each of these expectations. From cable wiring to outdoor lighting design and maintenance, we can help you. Please contact us today for a free estimate. Call us at 516-826-3311


Your business is known to be reliable, efficient and affordable. Shouldn’t your electrician be the same? Don’t risk losing business or closing early due to inept technicians or missed appointments. Instead, put our experience to work for you.

Fast & reliable second-generation electricians serving Long Island for over 50 years.


When you’re looking to build a new location or remodel your building, we can handle the job from beginning to end. If you’re looking for repair and maintenance services, we want to be your go-to electrician.

Services for retail, franchises, restaurants, hotels, malls, plazas and warehouses.

See our full range of our services:

  • Cable Tracing
  • Code Corrections
  • Commercial Upgrades
  • Computer and Communications Cabling
  • Control Work
  • Electrical Inspections
  • Emergency Service
  • High Bay Lighting
  • Landscape & Outdoor Lighting
  • Lighting Design, & Maintained
  • Motion sensors
  • Lighting
  • Exit & Emergency Lighting
  • New Wiring
  • Renovation
  • Generators
  • Lamps & Ballast replaced
  • Infra red scanning
  • Service change 200 to 4000 amp