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D.E. Duffey Employee Directory

Oil and GasPennsylvania, United States2-10 Employees

D.E. Duffey, established in 1898 and based in Plymouth Meeting, Pennsylvania, operates as a family-owned oil and gas service provider focused on building long-term relationships with customers. The company delivers heating oil and a range of services including system selection, installation, maintenance, repairs, and service contracts, emphasizing dependable and consistent support for its clients. Serving the suburban Philadelphia area, it positions itself as a local, service-oriented business rather than a quick-transaction operation. With a small team, the firm emphasizes continuity, trust, and tailored assistance to meet customers’ heating and cooling needs over time.

Find D.E. Duffey employees' phone numbers or email addresses

D.E. Duffey Global Highlights

Location
Employees

North America
9

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  • United States Of America
    9

D.E. Duffey's Leadership

  • Project Manager at D.E. Duffey
    T. C.
    Project Manager
    Mobile Phone
  • Sales Associate at D.E. Duffey
    P. D.
    Sales Associate
    Mobile Phone
  • Employee at D.E. Duffey
    D. D.
    Mobile Phone
  • Employee at D.E. Duffey
    J. H.
    Mobile Phone

D.E. Duffey Employee Metrics

100%
50%
0%
2026
2025
  • Other
  • Program & Project Management

Contact profiles from D.E. Duffey

Name
Title
Contact
Location
Last Update
  • Project Manager at D.E. Duffey
    T. C.
    Project Manager
    Mobile Phone
    United States, Pennsylvania
    Jun 24, 2026
  • Sales Associate at D.E. Duffey
    P. D.
    Sales Associate
    Mobile Phone
    United States, Georgia
    Mar 26, 2026
  • Employee at D.E. Duffey
    D. D.
    Mobile Phone
    UNITED STATES
    Mar 07, 2023
  • Employee at D.E. Duffey
    J. H.
    Mobile Phone
    UNITED STATES
    Mar 07, 2023

Frequently Asked Questions

What is D.E. Duffey known for?

Minus sign iconPlus sign iconD.E. Duffey was founded in 1898 and operates in the Oil and Gas industry. You can contact D.E. Duffey's main corporate office by phone at
+1-610-940-****
. Explore D.E. Duffey's company overview page for more information.

What is D.E. Duffey's most common email format?

Minus sign iconPlus sign iconD.E. Duffey employees' email format typically follows the pattern of First@deduffey.com. Trying to find reliable and up-to-date employee contact data? Find more D.E. Duffey email formats with LeadIQ.

How many employees does D.E. Duffey have currently?

Minus sign iconPlus sign iconD.E. Duffey has approximately 6 employees as of September 2026. These team members are located across 1 continents, including North America.

Who are D.E. Duffey's key employees and leadership?

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As of September 2026, D.E. Duffey's key employees include:

  • Project Manager: T. C.
  • Sales Associate: P. D.
  • : D. D.
  • : J. H.

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