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. 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. Our full range of multi-disciplinary services include:
• Civil Engineering
• Community Planning
• Construction Inspection/Construction Management
• Highway/Roadway Engineering
• Landscape Architecture
• Structural Engineering Design
• Structural Inspection
• Traffic Engineering