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Joseph Frederick & Sons Employee Directory

ConstructionDelaware, United States2-10 Employees

Joseph Frederick & Sons is a Wilmington, Delaware-based construction firm with a long family history dating back to 1947. The company operates primarily in residential plumbing, heating, air conditioning, and electrical repair and replacement, serving customers in New Castle County, Delaware, as well as parts of nearby Pennsylvania and Maryland. With a small workforce, the business focuses on providing essential maintenance and system replacement services for homes, addressing the needs of homeowners and property owners seeking reliable, local trades expertise. The firm has a history of ownership changes but has continued operating in the Delaware operation, including a period of private ownership and later re-establishment by family members. In April 2024, the company received a Top Rated Local award for HVAC contractors in Delaware, reflecting sustained recognition within its market.

Find Joseph Frederick & Sons employees' phone numbers or email addresses

Joseph Frederick & Sons Global Highlights

Location
Employees

North America
10

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  • United States Of America
    10

Joseph Frederick & Sons's Leadership

  • Stylized image of a person
    B. B.
    Installation Coordinator
    Phone icon
    Mobile Phone
  • Stylized image of a person
    D. J.
    Plumber
    Phone icon
    Mobile Phone
  • Stylized image of a person
    E. W.
    Hvac Installer
    Phone icon
    Mobile Phone

Joseph Frederick & Sons Employee Metrics

100%
50%
0%
2026
2025
  • Accounting
  • Administrative
  • Business Development
  • Civil Engineering & Construction
  • Analytics
  • Other
  • Community & Social Services

Contact profiles from Joseph Frederick & Sons

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    B. B.
    Installation Coordinator
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    D. J.
    Plumber
    Phone icon
    Mobile Phone
    Oct 23, 2024
  • Stylized image of a person
    E. W.
    Hvac Installer
    Phone icon
    Mobile Phone
    Apr 25, 2025

Frequently Asked Questions

What is Joseph Frederick & Sons known for?

Minus sign iconPlus sign iconJoseph Frederick & Sons was founded in 1947 operates in the Construction industry. Explore Joseph Frederick & Sons's company overview page for more information.

What is Joseph Frederick & Sons's most common email format?

Minus sign iconPlus sign iconJoseph Frederick & Sons employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Joseph Frederick & Sons email formats with LeadIQ.

How many employees does Joseph Frederick & Sons have currently?

Minus sign iconPlus sign iconJoseph Frederick & Sons has approximately 10 employees as of July 2026. These team members are located across 1 continents, including North America.

Who are Joseph Frederick & Sons's key employees and leadership?

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As of July 2026, Joseph Frederick & Sons's key employees include:

  • Installation Coordinator: B. B.
  • Plumber: D. J.
  • Hvac Installer: E. W.

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