Established in 1920, Electrical Engineering Company known as 3E, is an industry leader with diverse capabilities. We are a group of related businesses working together to enhance service to the electrical industry.

Business Support Solutions
Electrical Supplies & Services
Power Distribution & Energy Management
Commercial Lighting & Control
Industrial Supplies
ITS / Information Technology Systems
Electrical Apparatus Repair
Control Panels / Value Add Service
Custom Steel Fabrication & Equipment



Internship Program

Ours is no ordinary internship. The program offers a real-world work experience to college and voc-tech students who we consider valuable members of our team. During your internship, you will have day-to-day work assignments and project responsibility with real meaning.

We challenge you to bring your new ideas and perspectives to our team to develop innovative ways to better serve our customers. Doing so will allow you to apply the knowledge and skills you gained in the classroom and take back experience you’ll to set yourself apart from the competition in today’s challenging job market.

Who is eligible to apply?

In general, we encourage applications from college (including community college and voc-tech) students who have an interest in pursuing a career in the electrical industry business.

Click here for the Internship application. 


The intern will experience the following areas:

  • Inside Sales
  • Counter Sales
  • Outside Sales
  • Shipping Department
  • Receiving Department
  • Warehouse Operations
  • Lighting Design and Quotations
  • Vendor Trainings
  • Customer Trainings
  • Administrative & Management Procedures
  • Marketing
  • Job Site Visits

These experiences will be performed at 3E’s corporate headquarters in Windsor Heights, Iowa and at one of 3E’s branch locations mutually agreed upon by both the intern and 3E.

Statistics Reinforce Your Solutions & Provide Credibility

Our employee-owners are empowered to give it everything we've got to bolster your bottom line.

Ideas Generate Innovation

Custom wire and cable solutions, online ordering, drive-through service and more.

Orders are promises

Same-day delivery, 800+ brands, and best-in-class fulfillment.

Expertise is essential

On-call technical troubleshooting and six dedicated teams of product specialists.

Gratitude gives back

Volunteering and providing financial support to our communities.

Latest News

Learn about our recent projects, best practices, newest products, latest news and more.

Don't Take Our Word For It

Testimonials are a powerful selling tool. Ask some of your better known affiliations to share a few words about how you've made their lives easier.

"What A Wonderful Team To Rely On"

Ned Plimpton, Belafonte Co.

I'm continually blown away by the team at Symphony. They rock! I would come back again and again.

"Produced With Perfection In Mind"

Walter Sobchak, Rug Collector LLC

I don't know what I would do without Symphony. My happiness has gone through the roof :)

"This Product Blew Me Away"

Lucille Bluth, Real Estate Inc. Group

My expectations were exceeded beyond belief.  The product was wonderful and it asnwered all my problems!