Electrical Contractors Since 1923
When it comes to an experienced electrical contractor you can rely on 24/7, Electric Supply Company has it all. We are one of the largest and most successful full-service electrical contractors in the area because of two things: our commitment to quality and dedication to customer satisfaction. As one of the top electrical contractors in Sioux Falls, we have more than 80 years of proven performance, making Electric Supply a contractor you can count on.
Through superior customer service, we have built our organization with the engineering expertise, financial stability and bonding capacity to undertake any project regardless of size or complexity.
To keep pace with today's demanding business climate, we strive to remain on the cutting edge of electrical technology. We attribute our success to building strategic partnerships with our clients. By treating others the way we want to be treated, we ensure complete customer satisfaction.
New/Remodel Construction, Industrial, Institutional, Commercial.
Electrical Engineering Design Service
Integrated Project Delivery method. (IPD).
Design Bid.
Design as you build.
Remodel.
Complete, Detailed, Proven Budget services.
Design and System Integration services.
Data network wiring, design and testing.
Service Department.
24/7 on call technicians.
14 fully equipped service vehicles.
NJATC trained the best in the industry.
Power quality studies.
Harmonic distortion.
Power factor.
Infrared Thermography.
Heat study’s of electrical systems to prevent failure of electrical components.
Level 1 certified technicians by Snell infrared.
Experienced in the most difficult types of construction.
System Upgrades.
Communications and Specialty Systems.
Fiber optics services offered for aver 20 years.
Security Cameras and Access systems installation.
Nurse Call Systems.
Temperature control.
Fire alarm systems.
Electronic System Integration.
High Voltage Systems.
Installation of high voltage systems.
Energy upgrades and Retrofits.
Generator installations.
Wind Power.
Solar Power.
Trenching.
Boring.
Pole setting.
Boom truck rental.
