Mackin Engineering Company Employee Directory

Civil EngineeringPennsylvania, United States51-200 Employees

Founded in 1960 by Italo (Ody) Mackin, Mackin Engineers & Consultants has proudly served clients across Pennsylvania and the surrounding Tri-State area for more than 65 years. While our foundation is in civil engineering, we’ve grown into a multi-disciplinary consulting firm offering services in traffic engineering, landscape architecture, planning, and more. Today, our work is guided by CEO Zach Olawski and President Bill Harris, PE, CBSI, who lead a team of experienced professionals dedicated to creating lasting value for our clients and communities.

As a third-generation, family-owned firm, Mackin is 65 Years Strong and Built to Last. We pair Big Firm Capabilities with a Small Firm Feel, ensuring that every client has Direct Access and Real Connections to our leadership. We believe in a hands-on approach—our President and CEO remain actively engaged and accessible throughout every project.

Our purpose remains the same after three generations: to deliver engineering services that create safe and healthy spaces in the communities where we live, work, and play. We stay ahead of the curve through our commitment to advanced technology, ongoing professional development, and a deep understanding of the communities we serve.

Mackin is headquartered near Pittsburgh International Airport, with additional offices in Harrisburg and West Virginia. Wherever you are, we’re ready to partner with you.


Pittsburgh Office (Corporate Office):
103 Technology Drive; Suite 200
Pittsburgh, PA 15275
p: 412.788.0472     f: 412.787.3588

Harrisburg Area Office:
300 Corporate Center Drive
Suite 304
Camp Hill, PA 17011
p: 717.774.8900     f: 717.774.5445

West Virginia Office:
834 Main Street
Suite A
Follansbee, WV 26037
p: 304.394.3040

For more information:
email: info@mackinengineering.com
website: www.mackinengineering.com

Find Mackin Engineering Company employees' phone numbers or email addresses

Mackin Engineering Company Global Highlights

Location
Employees

North America
84

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  • United States Of America
    84

Asia
3

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  • Saudi Arabia
    1
  • Pakistan
    1
  • Indonesia
    1

Mackin Engineering Company's Leadership

  • Stylized image of a person
    Z. O.
    Chief Executive Officer
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    S. G.
    Chief Highway Engineer - Harrisburg Office
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    R. H.
    Vice President Information Technology
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  • Stylized image of a person
    Z. O.
    Vice President Of Strategic Planning
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  • Stylized image of a person
    T. R.
    President
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    B. H.
    President
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  • Stylized image of a person
    G. D.
    President
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  • Stylized image of a person
    T. R.
    President
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Contact profiles from Mackin Engineering Company

Name
Title
Contact Info
Location
Last Update
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    J. B.
    Manager - Water And Wastewater
    Phone icon
    United StatesPennsylvania
    Nov 11, 2024
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    M. M.
    Senior Manager Administration
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    Saudi Arabia
    Feb 03, 2024
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    S. J.
    Survey Manager
    Phone icon
    UNITED STATES
    May 17, 2025
  • Stylized image of a person
    S. N.
    Manager
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    Oct 17, 2024
  • Stylized image of a person
    S. B.
    Senior Structural/Hydraulic Engineer
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    United StatesPennsylvania
    Nov 19, 2025
  • Stylized image of a person
    R. S.
    Senior Highway Engineer
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    United StatesPennsylvania
    Oct 18, 2025
  • Stylized image of a person
    C. J.
    Senior Traffic Engineer
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    Oct 23, 2024
  • Stylized image of a person
    C. P.
    Senior Survey Technician / Right Of Way Coordinator
    Phone icon
    United StatesPennsylvania
    Apr 04, 2024
  • Stylized image of a person
    D. P.
    Senior Highway Engineer
    Phone icon
    United StatesPennsylvania
    Oct 16, 2024
  • Stylized image of a person
    D. P.
    Senior Highway Engineer
    Phone icon
    UNITED STATES
    May 01, 2024

Frequently Asked Questions

What is Mackin Engineering Company known for?

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Mackin Engineering Company was founded in 1960 operates in the Civil Engineering industry. The company's main headquarters is located in 103 Technology Drive, Suite 200; you can contact the main corporate office by phone at . Explore Mackin Engineering Company's company overview page for more information.

What is Mackin Engineering Company's most common email format?

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

How many employees does Mackin Engineering Company have currently?

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Mackin Engineering Company has approximately 55 employees as of December 2025. These team members are located across 2 continents, including North AmericaAsia.

Who are Mackin Engineering Company's key employees and leadership?

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As of December 2025, Mackin Engineering Company's key employees include:

  • Chief Executive Officer: Z. O.
  • Chief Highway Engineer - Harrisburg Office: S. G.
  • Vice President Information Technology: R. H.
  • Vice President Of Strategic Planning: Z. O.
  • President: T. R.

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