About us
40+ Years of engineering with distinction
25+ years of extraordinary execution
As one of the country’s leading power utility consulting design firms, ECI operates from more than 37 offices across North America, continuously expanding to serve the needs of our clients.
40+
Years in Business
1200+
Team Members
37+
Offices
500+
Power Utility Project Builds via EPCS
30k+
Power Utility Engineering Designs & Consults
50
States of Project Work
Electrical Consultants Inc. (ECI) was incorporated in 1985. Our in-house portfolio of services, including overhead and underground transmission engineering, substation and switchyard design, protection, automation & communication systems, industrial power systems design, land survey and construction staking, right-of-way services, environmental planning, project management, construction management, and procurement services have provided a key resource for hundreds of utilities. ECI ranks among the largest power delivery engineering firms in North America. We bring comprehensive experience in power delivery services through 765 kV to our clients.
Our team members are our greatest asset
Our range of professional staff assures that your projects are completed on time and on budget.
Our team has highly specialized and unique experience that ensure prompt and qualified responses to any project work scope item, whether it be to answer a simple design question, or provide guidance on complex, regional issues.
Our cross-disciplined engineering approach has resulted in millions of dollars of savings for our clients and our employee-owned structure ensures that personal ownership and commitment are at the foundation of all successful projects.
EXCELLENCE ACROSS NORTH AMERICA
Our 37+ offices provide the ability to partner on projects across the US and Canada.
975 Berkshire Boulevard
Suite 102
Wyomissing, PA 19610
94-285 Pupuole Street
Suite C
Waipahu, HI 96797
Tempe, AZ 85284
94-285 Pupuole Street
Suite C
Waipahu, HI 96797
117 South 7th Street
Jenks, OK 74037
117 South 7th Street
Jenks, OK 74037
820 A Street
Suite 300
Tacoma, WA 98402
820 A Street
Suite 300
Tacoma, WA 98402
975 Berkshire Boulevard
Suite 102
Wyomissing, PA 19610
8000 Regency Parkway
Suite 610
Cary, NC 27518
8000 Regency Parkway
Suite 610
Cary, NC 27518
10851 North Black Canyon Highway
Suite 620
Phoenix, AZ 85030
10851 North Black Canyon Highway
Suite 660
Phoenix, AZ 85029
3633 Inland Empire Boulevard
Suite 670
Ontario, CA 91764
3633 Inland Empire Boulevard
Suite 670
Ontario, CA 91764
10900 Hefner Pointe Dr.
Suite 305
Oklahoma City, OK 73120
10900 Hefner Pointe Dr.
Suite 305
Oklahoma City, OK 73120
2800 Royal Avenue
Suite 300
Monona, WI 53713
2800 Royal Avenue
Suite 300
Monona, WI 53713
7042 South Revere Parkway
#460
Centennial, Colorado, 80114
345 Inverness Dr South
Building A, Suite 100
Englewood, CO 80112
25 Commerce Drive
Suite 230
Cranford, NJ 07016
25 Commerce Drive
Suite 230
Cranford, NJ 07016
607 Leander Dr.
Suite 410
Leander, TX 78641
490 West Magee Road
Oro Valley, AZ 85704
100 Chesterfield Business Parkway
Suite 120
Chesterfield, MO 63005
5030 Camino De La Siesta
Suite 407
San Diego, CA 92108
660 West 700 S.
Woods Cross, UT 84087
895 SE Clearwater Drive
Pullman, WA 99163
Triangle Corporate Park
13221 SW 68th Parkway
Suite 450
Tigard, OR 97223
1051 Winderley Place
Suite 101
Maitland, FL 32751
600 Reed Street
Mankato, MN 56001
901 N Green Valley Pkwy
Suite 270
Henderson, NV 89074
375 AMS Court
Suite A
Green Bay, WI 54313
1 Faraday Drive
Suite 1
Cumberland, ME 04021
6120 South Gilmore Road
Suite 101
Fairfield, OH 45014
505 Independence Parkway
Suite 200
Chesapeake, VA 23320
1400 Computer Drive
Suite #300
Westborough, MA 01581
3340 East Goldstone Drive
Meridian, ID 83642
14 Edison Drive
Suite 2
Augusta, ME 04330
4620 Manilla Road SE
Suite 16A
Calgary, AB, T2G 4B7
172 North Main
Suite #3
Sheridan, WY 82801
687 West 700 S.
Suite F
Woods Cross, UT 84087
630 Morrison Road
Suite 320
Gahanna, OH 43230
5401 Circle Drive
Black Hawk, SD 57718
2661 Cascadia Industrial St. SE
Suite 140
Salem, OR 97302
1506 Mountain View Rd.
Suite 101
Rapid City, SD 57702
5113 Southwest Parkway
Suite 115
Austin, TX 78735
1241 South 31st Street West
Billings, MT 59102
3521 Gabel Road
Billings, MT 59102
A TImeline of Electrical Consultants, Inc.
From our humble beginnings in Montana, discover how Electrical Consultants has grown exponentially and contributed to some of the most critical power delivery projects throughout the United States and abroad.
Expansion & Acquisitions
Growing together with exceptional people and teams, elevating how we serve our customers and the industries we support.
2000 – EPC Services Company
ECI’s wholly owned subsidiary, EPC Services Company (EPCS), was formed in 2000 to provide a professional based Project Management/EPC firm to handle the demand for utility and independent power delivery projects having ever shorter times for completion. EPC Services Company now focuses on traditional utility projects as well as major renewable project developments.
2019 – Industrial Automation Consulting
ECI acquired Industrial Automation Consulting (IAC), a turnkey automation engineering and information management firm, expanding our Industrial Services offerings and enhancing capabilities in real‑time control system integration.
2019 – Relay Application Innovation
ECI acquired Relay Application Innovation (RAI), expanding our capabilities in system protection design, integration, protection settings, customized software and hardware solutions, and field commissioning across all levels of the protection field.
2020 – Casco Systems
ECI acquired Casco Systems, headquartered in Cumberland, Maine, strengthening our capabilities in IEC 61850 design, integration, protection, and cybersecurity. This acquisition enhanced our ability to serve a wide range of utility and energy customers with advanced protection and control solutions.
2024 – PS Technologies Inc.
ECI acquired PS Technologies Inc. (PSTI), headquartered in Calgary, Alberta, marking our first international acquisition. This acquisition expanded our system protection and high‑voltage design capabilities and strengthened our ability to serve utility clients across Alberta and Western Canada.
2024 – Electro-Test & Maintenance
EPC Services Company, a subsidiary of ECI, acquired Electro‑Test & Maintenance (ETMI), headquartered in Rapid City, South Dakota. This acquisition expanded our utility maintenance, commissioning, equipment testing, and transformer service capabilities, strengthening support for electric utilities across the Western U.S.
2025 – TRANSCO.ENERGY, LLC
TransCo.Energy, LLC joins ECI, bringing its power system analysis and technical expertise from Tempe, AZ. This partnership strengthens ECI’s capabilities in system planning, operations, interconnection support, and transmission development up to 765 kV across the Southwest U.S.
Innovative
Whether raised platform substations, non-traditional transmission structures or creative sequencing, our team works collaboratively to provide an innovative solution.
Cost effective
Our designs are prepared with the overall capital, operation and maintenance budget in mind.
Responsive
ECI is committed to being the most responsive professional service provider in the industry.
We excel at full-scale
Engineer-Procure-Construct (EPC) Delivery
Together, ECI and EPCS can provide complete design-build capabilities for your power delivery substation or transmission facilities through 765 kV. If you’re ready to partner with us for your design + build project, contact us today!
let’s build something great
Are you in need of planning, conceptual design, detailed engineering, or a full turn-key project? Let our team provide a comprehensive scope of services and cost for your upcoming project.
