The largest family-owned electrical-mechanical business in the Northeast!

LONGO - Over 75 years Experience

The largest family-owned electrical-mechanical business in the Northeast!

LONGO - Over 75 years Experience

Case Studies

  • All Case Studies
  • Engineering
  • Fans
  • Field Service
  • Motors
  • Preventative Maintenance
  • Pumps
  • Switchgear
Case StudiesMotors

Longo Keeps the Governor’s Island Ferry Up and Running!

Governors Island is steadily becoming one of the most popular family outing destinations in New York City, thanks to all that it has to offer: ...
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Case StudiesEngineering

Project Spotlight: Pharmaceutical Cooling Towers

There are few things that will derail a business more quickly than attempting to operate old, unreliable and inefficient equipment. So when a client in ...
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Case StudiesEngineering

Project Spotlight: Instrumentation Calibration

Instrumentation systems of all types – especially those that monitor and control specific operational processes – require at least some bit of maintenance over time. ...
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Field-Services-Longo
Case StudiesField Service

Longo Helps NYC Rebuild After Hurricane Sandy

Lower Manhattan was just one of many areas ravaged by Sandy. While others were helping people survive, we were helping to bring buildings back to ...
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Case StudiesField Service

When Weather Causes Problems, Call Longo!

The equipment that blew up was a transformer, rated at 3500 kva with a primary voltage of 12,470 and a secondary voltage of 480...
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Case StudiesFans

See How Longo’s 24/7 Response Handled a Fan Failure Over the Weekend

On a Saturday afternoon a customer called Longo's 24/7 response line concerned about a large ventilation fan that was not just vibrating, but literally shaking ...
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Case StudiesPreventative Maintenance

The Benefits of Thermal Imaging

Thermal imaging is a valuable tool in not just disaster prevention, but in diagnosis production planning....
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Case StudiesField Service

What do you do when there is a problem with an 8 ton generator on top of a 300 ft high pole? Call Longo!

On May 20, 2004 two Longo Field Service technicians from our Wharton, NJ facility found themselves in the California Desert...
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Case StudiesMotors

How Longo Kept New Jersey’s Largest Ski Resort in Business Over the Holidays

At 4 PM, Tuesday, December 11, 2001, Longo received a call from Mountain Creek Ski Resort that one of their three 2500 hp snowmaking motors ...
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Case StudiesFans

Use Preventative Maintenance to Avoid Fan Explosions Like This

This is the aftermath of a fan that ate itself along with the motor that drove it - the result of ignoring basic maintenance procedures!
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Case StudiesNews

Project Spotlight: 16MW Battery Storage Project

Longo has been contracted to install one of the first battery projects in the Northeast to support superior grid stability. This 16MW battery system will ...
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Case StudiesPumps

See how Longo handled a 10+ ton, 68,500 GPM, 25ft long cooling pump

With a 5 foot intake, 4 foot discharge, driven by a 2,100 HP motor...
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