Mainstay Engineering Group Employee Directory

Engineering ServicesPennsylvania, United States51-200 Employees

Mainstay Engineering Group, Inc. is a multi-discipline engineering firm providing structural and civil engineering services for complex, Science and Technology, and other mission-critical environments. With five decades of deep technical expertise, Mainstay has earned a reputation for technical excellence, responsiveness, and long-term flexible, cost-effective solutions that meet the demands of the most challenging projects.  

Mainstay’s capabilities have grown significantly since its founding through strategic expansion, enabling the firm to offer even deeper expertise across a broad range of sectors, including: higher education, pharmaceutical, life sciences/biotechnology, healthcare, industrial manufacturing, material handling, chemical processing, utilities, heavy industrial, food and beverage, semiconductor, data center, EV/battery infrastructure and sustainable energy – all to better serve its clients. Mainstay’s team is skilled in navigating the unique challenges of these environments – from equipment supports and infrastructure upgrades to full facility expansions, and work seamlessly with its partners to keep projects on track and operations running.

The company’s team of 70 professionals and Subject Matter Experts (SMEs), including LEED Green Associates, are licensed to perform engineering services in 50 states throughout the United States however, its reach extends beyond borders, providing consulting services internationally. 

Check out some of our project work at MainstayEngineering.com.
For a listing of career opportunities, visit: https://www.megr.com/careers

Trust Mainstay to be your cornerstone.

Find Mainstay Engineering Group employees' phone numbers or email addresses

Mainstay Engineering Group Global Highlights

Location
Employees

North America
98

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  • United States Of America
    98

Europe
7

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  • United Kingdom Of Great Britain And Northern Ireland
    6
  • Poland
    1

Mainstay Engineering Group's Leadership

  • Stylized image of a person
    J. B.
    Vice President Human Resources
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    C. S.
    Vice President Of Business Development
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  • Stylized image of a person
    P. A.
    Vice President Operations
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  • Stylized image of a person
    C. S.
    Vice President Of Marketing
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  • Stylized image of a person
    J. V.
    President
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  • Stylized image of a person
    D. J.
    Owner
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  • Stylized image of a person
    F. S.
    Owner
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  • Stylized image of a person
    L. T.
    Owner
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Mainstay Engineering Group Employee Metrics

100%
50%
0%
2026
2025
  • Engineering
  • Program & Project Management
  • Accounting
  • Arts & Design
  • Human Resources
  • Other

Contact profiles from Mainstay Engineering Group

Name
Title
Contact Info
Location
Last Update
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    D. J.
    Owner
    Phone icon
    Oct 18, 2024
  • Stylized image of a person
    F. S.
    Owner
    Phone icon
    UNITED STATES
    Mar 07, 2023
  • Stylized image of a person
    J. V.
    President
    Phone icon
    Oct 17, 2024
  • Stylized image of a person
    L. T.
    Owner
    Phone icon
    Sep 08, 2025
  • Stylized image of a person
    M. R.
    Owner
    Phone icon
    Oct 17, 2024
  • Stylized image of a person
    M. S.
    Owner
    Phone icon
    Oct 17, 2024
  • Stylized image of a person
    T. B.
    Owner
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    Oct 16, 2024
  • Stylized image of a person
    T. P.
    Owner
    Phone icon
    UNITED STATES
    Mar 07, 2023
  • Stylized image of a person
    J. R.
    Vice President, Engineering
    Phone icon
    United StatesPennsylvania
    Mar 10, 2026
  • Stylized image of a person
    J. B.
    Vice President Human Resources
    Phone icon
    United StatesMississippi
    Jan 07, 2026

Frequently Asked Questions

What is Mainstay Engineering Group known for?

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Mainstay Engineering Group was founded in 1978 operates in the Engineering Services industry. The company's main headquarters is located in 1750 Walton Road Blue Bell, Pennsylvania 19422 United States; you can contact the main corporate office by phone at . Explore Mainstay Engineering Group's company overview page for more information.

What is Mainstay Engineering Group's most common email format?

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Mainstay Engineering Group employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Mainstay Engineering Group email formats with LeadIQ.

How many employees does Mainstay Engineering Group have currently?

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Mainstay Engineering Group has approximately 55 employees as of March 2026. These team members are located across 2 continents, including North AmericaEurope.

Who are Mainstay Engineering Group's key employees and leadership?

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As of March 2026, Mainstay Engineering Group's key employees include:

  • Vice President Human Resources: J. B.
  • Vice President Of Business Development: C. S.
  • Vice President Operations: P. A.
  • Vice President Of Marketing: C. S.
  • President: J. V.

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