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3940 Glenbrook Drive
Hailey, ID 83333
United States

55 E Monroe St
Chicago, IL 60603
United States
1220 19th Street, NW
Suite 800
Washington, DC 20036
United States

PO Box 1124
Jackson, MI 49204
United States
COMMONWEALTH is an EC&M magazine 2017 Top 10 Electrical Design Firm serving utilities, independent power producers, government, industry, and some of the world's most prestigious academic, research, and healthcare institutions. We are committed to influencing and shaping the secure energy future and making a powerful and positive difference in the world. We do that by achieving project success for our clients and giving back to the communities in which we live and work.
As consultants, Commonwealth knows that each client is unique, and that each project has a different set of challenges to be addressed. Our leadership in the organizations that set industry standards, combined with our extensive technical experience with hundreds of utility standards and procedures, results in the development and delivery of innovative solutions to our clients’ problems.
Commonwealth’s strength is our people. We hire top talent and foster an environment of continuous learning where they can meet professional goals and deliver increasing value to our clients. We encourage professional licensure and participation in organizations such as the Institute of Electrical and Electronics Engineers, the American Society of Civil Engineers, the American Society of Mechanical Engineers, the National Society of Professional Engineers, and the Edison Electric Institute. We are proud to be 100% employee-owned and -managed.
Commonwealth’s complete package of services for power generation and power delivery facilities includes: owner’s engineering services; program management; electrical systems analyses; planning; mechanical, civil/structural, and electrical engineering; licensing; land acquisition services; drone services; and construction support.
HISTORY
Commonwealth is proud of its deep roots dating back to 1888 as innovators in the electric power industry. It started with two pioneering brothers from Michigan with an interest in arc lighting and the transmission of electricity generated by hydro power, and eventually became part of the behemoth known as Commonwealth & Southern Corporation. Commonwealth Associates was reestablished as a employee-owned engineering and consulting firm in 1988. Thirty years later, Commonwealth's staff of approximately 270 professionals represents one of the most skilled, experienced technical resources available to analyze, plan, design, and construct electrical power projects.
LOCATIONS
Commonwealth services clients conveniently with offices coast-to-coast. In addition to our Mid-Michigan headquarters, Commonwealth has the following offices: Lancaster (PA); Columbus (OH); Atlanta (GA); Spokane, and Seattle (WA).
1327 285th Rd.
Seward, NE 68434
United States
8601 Six Forks Road
Suite 300
Raleigh, NC 27615
United States

104 E 11th St.
PO Box 148
Lamar, MO 64759
United States
Finley Engineering is a full-service engineering consultancy with a successful history of Consulting, Design, Engineering and Project Management for both the Broadband and Energy industries. Finley works with a variety of client types such as private companies, cooperatives, municipals, large carriers, investor-owned companies and a variety of government entities.

2300 Oracle Wy
Austin, TX 78741
United States
Innovation fuels Oracle's every step toward the next-generation utility business. They’ve combined deep industry expertise and end-to-end solutions with the most powerful customer engagement platform on the market—all supported by an intelligent service network, deeper data analytics and more flexible cloud services. All of their products and services are smart options to make your transition to the future utility ecosystem completely seamless.
126 Woodward Ave.
Iron Mountain, MI 49801
United States
1501 M Street, N.W.
Suite 1000
Washington, DC 20005
United States