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Powering The World
Through Quality Engineering

We Specialize in the Design, Engineering, and Maintenance of Power Systems and Substations Throughout the USA
ABOUT US

A leading engineering firm since 1991 —employee-owned, with over 300 experts across the U.S., delivering turnkey automation and power solutions.

Electrical Substation Engineering Company
With over 300 experts across ten U.S. offices, we partner with clients in industries ranging from energy and biopharma to manufacturing and renewables. Our end-to-end services—from design and commissioning to lifecycle support—ensure safe, efficient, and sustainable operations. Recognized nationally as a top system integrator, we remain committed to quality, innovation, and building lasting client partnerships.
Years of
Experience
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OUR SERVICES

Comprehensive services designed to optimize performance and safety

OUR SERVICES

Trusted by Diverse Industries Nationwide

For over 34 years, we’ve been a trusted partner to industries that power communities and drive progress. From energy and utilities to manufacturing and life sciences, our expertise spans a wide spectrum of sectors that rely on safe, efficient, and reliable operations.
No matter the industry, our approach remains the same—listening closely, engineering with precision, and delivering solutions that stand the test of time. This commitment has made us a nationwide leader, trusted to solve complex challenges and support long-term growth.

Oil & Gas / Refining

Reliable, safe, and efficient solutions for complex operations.

Chemical & Manufacturing

Reliable, safe, and efficient solutions for complex operations.

Biopharmaceutical

Compliance-driven engineering for safe, efficient operations.

Power & Utilities

Robust systems to keep industries and communities running.

Renewable Energy

End-to-end solutions that drive the clean energy future.

Food & Beverage

Automation and controls for safe, high-quality production.

Mangan Midstream
Barry D. Payne & Associates
Mangan Biopharm
Mangan Safety Instrumented Systems
Mangan Power Group
CONTACT US

Numbers That Tell Our Story of Innovation and Growth

Every number reflects our commitment to excellence, innovation, and lasting partnerships. From decades of proven experience to the hundreds of experts on our team, our track record shows the impact we’ve made in building safer, smarter, and more sustainable industries.
Team of Experts
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Offices Across the U.S.
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Successful Projects Completed
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Years of Experience
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CONTACT US

Exploring the Stories and
Strategies Behind Meaningful Work

Adaptive reclosing wildfire protection for safer power lines

Adaptive reclosing wildfire protection strategies for safe grids

Rooftop solar short circuit dangers and prevention guide

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