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Trusted Partnerships 

Strong communication and analytical management are at the core of SECo’s operations. Successful projects are built on a foundation of clear, open communication and a rigorous approach to problem-solving.

  

SECo provides deliverables of the highest quality such that we will be your engineer of choice (EOC) for any future projects.  

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2002+

Projects Completed

20+

Years in Service

Red Lion Energy Center in Delaware

Red Lion Energy Center

Awarded Engineering News Report's Best Project Award, 2014

Substation Project in Pennsylvania

Greenfield 230/69kV Substation

500-230kV Substation Site

500-230kV Substation

450kV HVDC Project in Massachusetts

450kV HVDC Rapid-Recloser Switch Replacement

Substation Project in Washington, D.C

Two bays of 230kV GIS breaker-and-a-half addition

115/239-34.5kV 125 MVA Transformer site

115/230-34.5kV 125 MVA Transformer

HVDC Converter Station

HVDC Converter Station

Project site in Colorado

Fault Current Limiting Reactors

Substation Project in Maryland

34.5/138 KV Collector and Step-Up Substation

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Partner with Us

SECo's collaborative partnerships ensure that SECo stays aligned

with your goals at every stage. 

Join the Team

Join SECo’s growing team of experienced professionals and 

the experts that are shaping the

power industry. 

SECo logo in white text

Headquarters

6 Commerce Drive

Reading, PA 19607

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© 2025 by Substation Engineering Company

© 2020 by Substation Engineering Co.

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Headquarters

6 Commerce Drive

Reading, PA 19607

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Phone: 610-603-5011

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Email info@subengco.com for more information.

Career Opportunities

To apply, please send resumes to our Human Resources Department: 

recruiting@subengco.com.

© 2023 by Substation Engineering Company

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