Insights

Local Trust D.E. Duffey is a locally owned family business with deep roots in suburban Philadelphia, built on trust and reliable service. This trust can drive higher retention for maintenance contracts and recurring heating oil deliveries, and creates opportunities to upsell premium service plans to existing customers.

Service Growth The company already offers maintenance, repairs, and service contracts, indicating room to expand preventive maintenance, system upgrades, and bundled energy efficiency packages for homeowners and small businesses in the region.

Regional Partnerships With a small team and long local presence, there are opportunities to partner with local builders, property managers, and tradespeople to become the preferred HVAC and fuel service provider, securing recurring revenue through installations and maintenance.

Digital Growth An active digital footprint with Google Ads and WordPress suggests room to optimize local lead generation, improve SEO for heating and cooling services, and implement conversion tracking to grow inquiries for both service and installation projects.

Alliances and Offerings Consider strategic alliances with suppliers and manufacturers to scale, and expand offerings to energy-efficient equipment such as heat pumps or hybrid systems, potentially including financing options to close larger projects.

D.E. Duffey Tech Stack

D.E. Duffey uses 8 technology products and services including Marchex, Fastly, RSS, and more. Explore D.E. Duffey's tech stack below.

  • Marchex
    Analytics
  • Fastly
    Content Delivery Network
  • RSS
    Content Management System
  • MySQL
    Database
  • Flywheel
    Platform As A Service
  • PHP
    Programming Languages
  • prettyPhoto
    Web Tools And Plugins
  • TouchSwipe
    Web Tools And Plugins

Media & News

D.E. Duffey's Email Address Formats

D.E. Duffey uses at least 1 format(s):
D.E. Duffey Email FormatsExamplePercentage
First@deduffey.comJohn@deduffey.com
100%

Frequently Asked Questions

Where is D.E. Duffey's headquarters located?

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D.E. Duffey's main headquarters is located at 1982 Butler Pike po Box 763 Plymouth Meeting, Pennsylvania 19462 United States. The company has employees across 1 continents, including North America.

What is D.E. Duffey's phone number?

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You can contact D.E. Duffey's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is D.E. Duffey's official website and social media links?

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D.E. Duffey's official website is deduffey.com and has social profiles on LinkedIn.

What is D.E. Duffey's SIC code NAICS code?

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D.E. Duffey's SIC code is 7389 - Business Services, Not Elsewhere Classified NAICS code is 211 - Oil and Gas Extraction.

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

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As of June 2026, D.E. Duffey has approximately 6 employees across 1 continents, including North America. Key team members include Project Manager: T. C.Sales Associate: P. D.: D. D.. Explore D.E. Duffey's employee directory with LeadIQ.

What industry does D.E. Duffey belong to?

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D.E. Duffey operates in the Oil and Gas industry.

What technology does D.E. Duffey use?

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D.E. Duffey's tech stack includes MarchexFastlyRSSMySQLFlywheelPHPprettyPhotoTouchSwipe.

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

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D.E. Duffey's email format typically follows the pattern of First@deduffey.com. Find more D.E. Duffey email formats with LeadIQ.

When was D.E. Duffey founded?

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D.E. Duffey was founded in 1898.
D.E. Duffey logo

D.E. Duffey

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.

Section iconCompany Overview

Headquarters
1982 Butler Pike po Box 763 Plymouth Meeting, Pennsylvania 19462 United States
Phone number
SIC Code
7389 - Business Services, Not Elsewhere Classified
NAICS Code
211 - Oil and Gas Extraction
Founded
1898
Employees
2-10

Section iconMedia & News

Section iconFunding & Financials

  • $1M$10M

    D.E. Duffey's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    D.E. Duffey's revenue is estimated to be in the range of $1M$10M

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