Gillan & Hartmann, Inc. Employee Directory

Engineering ServicesPennsylvania, United States11-50 Employees

For more than a half century, Gillan & Hartmann, Inc. (G&H), a 3rd generation family run business, has provided creative and cost-effective engineering solutions.
• More than 4,000+ completed projects with a total construction value in excess of $2.75 Billion;
• Engineering and Design Quality resulting in less than 0.5% of Construction Budget in design based change orders;
• Attention to detail for accuracy in definition of project costs, routinely achieves construction cost estimates within +/- 5.0% of the awarded construction contract bid and within the bottom 10.0% of all proposed contractor bids;
• Extensive experience consulting to Project Architects for Healthcare, Commercial, Industrial, Institutional, Elementary and Higher Educational, Multi-Occupancy Residential, and Governmental Clients;
• Extensive experience serving as Project Prime Professional. Responsible for control of Budget, Schedule, Quality and Project Commissioning;
• Certified LEED AP Professionals, Energy Managers and Green Building Engineers, with numerous completed projects involving Green Architecture, cogeneration, total energy plants, and Utility Master Planning;
•Developed/maintained a diversified Client base;

Find Gillan & Hartmann, Inc. employees' phone numbers or email addresses

Gillan & Hartmann, Inc. Global Highlights

Location
Employees

North America
34

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  • United States Of America
    34

Gillan & Hartmann, Inc.'s Leadership

  • Stylized image of a person
    M. B.
    Chief Executive Officer
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  • Stylized image of a person
    M. S. G.
    Vice President Enginnering
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  • Stylized image of a person
    M. G.
    President
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  • Stylized image of a person
    A. C.
    Executive Assistant To The President
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  • Stylized image of a person
    D. B. -. G.
    Vice President
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  • Stylized image of a person
    C. S.
    Vice President, Client Relationship Manager
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  • Stylized image of a person
    P. B.
    Director - Business Development
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  • Stylized image of a person
    D. D.
    Project Manager
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Gillan & Hartmann, Inc. Employee Metrics

100%
50%
0%
2026
2025
  • Community & Social Services
  • Engineering
  • Business
  • Business Development
  • Program & Project Management
  • Other

Contact profiles from Gillan & Hartmann, Inc.

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    A. C.
    Executive Assistant To The President
    Phone icon
    Feb 18, 2026
  • Stylized image of a person
    M. B.
    Chief Executive Officer
    Phone icon
    Oct 18, 2024
  • Stylized image of a person
    M. G.
    President
    Phone icon
    UNITED STATES
    Oct 21, 2024
  • Stylized image of a person
    D. B. -. G.
    Vice President
    Phone icon
    United StatesPennsylvania
    Feb 18, 2026
  • Stylized image of a person
    C. S.
    Vice President, Client Relationship Manager
    Phone icon
    Oct 23, 2024
  • Stylized image of a person
    M. S. G.
    Vice President Enginnering
    Phone icon
    United StatesPennsylvania
    Sep 17, 2024
  • Stylized image of a person
    P. B.
    Director - Business Development
    Phone icon
    United StatesPennsylvania
    Oct 21, 2024
  • Stylized image of a person
    D. D.
    Project Manager
    Phone icon
    United StatesNew Jersey
    Oct 18, 2025
  • Stylized image of a person
    R. S.
    Project Manager
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    United StatesPennsylvania
    Nov 15, 2025
  • Stylized image of a person
    T. L.
    Manager
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    Oct 22, 2024

Frequently Asked Questions

What is Gillan & Hartmann, Inc. known for?

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Gillan & Hartmann, Inc. was founded in 1950 operates in the Engineering Services industry. The company's main headquarters is located in 140 Whitaker Avenue Mont Clare, Pennsylvania 19453 United States; you can contact the main corporate office by phone at . Explore Gillan & Hartmann, Inc.'s company overview page for more information.

What is Gillan & Hartmann, Inc.'s most common email format?

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Gillan & Hartmann, Inc. employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Gillan & Hartmann, Inc. email formats with LeadIQ.

How many employees does Gillan & Hartmann, Inc. have currently?

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Gillan & Hartmann, Inc. has approximately 16 employees as of March 2026. These team members are located across 1 continents, including North America.

Who are Gillan & Hartmann, Inc.'s key employees and leadership?

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As of March 2026, Gillan & Hartmann, Inc.'s key employees include:

  • Chief Executive Officer: M. B.
  • Vice President Enginnering: M. S. G.
  • President: M. G.
  • Executive Assistant To The President: A. C.
  • Vice President: D. B. -. G.

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