Company Overview
Company Name
John Duffy Energy Services
Address
465 Mulberry St, Newark, NJ, 07114, United States
Website
duffyenergy.comPhone
(800) 246-3516Approx. Annual Revenue
$5.0M
Employees
25
Established
2011
Google Reviews
2.0 (8 reviews)
Locations
2
About John Duffy Energy Services
John Duffy Energy Services is a well-established energy services company based in New Jersey, providing a range of services including air conditioning, heating, and motor fleet fueling for homes and businesses since 1891. The company serves the community in Essex, Union, Middlesex, Morris, and Hudson counties, offering reliable and trusted energy solutions.
Business Profile
Read from the John Duffy Energy Services website on Oct 12, 2026. Hover an item to see the exact wording it came from.
How John Duffy Energy Services works
About the website
- Website quality (AI-assessed)
- 7/10 · Copyright notice says 2026; Clear service descriptions
- Footer copyright year
- 2026
John Duffy Energy Services locations
2 Google Business Profile listings.
| Location | Google category | Reviews | Status |
|---|---|---|---|
| 465 Mulberry St, Newark, NJprimary | — | 2.0 (8) | Claimed |
| John Duffy Energy | — | 3.7 (27) | Claimed |
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