Donnelly Mechanical — not currently ranked
Public exclusion. This company is not currently included in our NYC AC repair ranking. Here is why, on the record.
Reason
DCWP Home Improvement Contractor licence 0972501-DCA lapsed 2025-02-28. Donnelly is a pure commercial mechanical contractor and remains one of the most established commercial HVAC firms in NYC.
Source: NYC Legally Operating Businesses dataset, verified 2026-08-11.
Next step
Will appear in our Commercial HVAC ranking.