Residential, Commercial, Industrial

TEC Electrical Services is a family-run small business with many generations of tradesmen, with electricians at its core. TEC is the family name Timm, combined with Electrical Contractors. The Timm family prides themselves on their craftsmanship and have been providing exceptional service to Wisconsin residents and businesses since the 1950s.
Welcome to TEC Electrical Services. We are a local, full-service electrical company in the greater Milwaukee area for residential, commercial, and industrial projects. From replacing a switch, installing a generator, or troubleshooting machine controls to keep your business running, we strive on giving you the result you want, regardless of the project. We can provide a fast diagnosis and expert repair.
TEC Electrical Services
WI State Licensed Contractor
TEC Electrical Services is a family-owned and operated small-business serving the greater Milwaukee and south-eastern Wisconsin area. Our experienced and skilled electricians offer a large range of services to meet your needs.
We service service all of SE Wisconsin.
Bay View, Big Bend, Brookfield, Brown Deer, Burlington, Cedarburg, Delafield, Delavan, Eagle, East Troy, Elm Grove, Franklin, Genesee, Germantown, Grafton, Greendale, Greenfield, Hartford, Kansasville, Merton, Mequon, Milwaukee, Muskego, Mukwonago, New Berlin, Oconomowoc, Pleasant Prairie, River Hills, Union Grove, Vernon, Waterford, Waukesha, Wauwatosa, West Allis, Whitefish Bay, Wind Lake--and many other communities in the area.

Learn More About Our Services
We understand that dealing with electrical issues can be overwhelming but we are here to help! Call today to meet with one of our seasoned electricians. We always offer a free consultation for any project or repair--no matter the size. We look forward to hearing from you!
Residential
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​Service Upgrades
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Code updates
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Emergency Service
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Storm damage repair
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Interior/Exterior Lighting
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Remodel/Updates
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Design Build
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Ceiling Fans
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Circuit Troubleshooting
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Charging Stations
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Smart Home Install
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Home generators
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LED upgrades and conversions
And more!​
Commercial
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New Design and Remodels
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Panel Repair
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Emergency Service
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Energy-Efficient Upgrades
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Fire alarm systems
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Building Automation Systems
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Lighting Retrofit
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Troubleshooting
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Safety and Code Corrections
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Rewiring​
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IT/Data Installations
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LED upgrades and conversions
And more!
Industrial
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Arc Flash Analysis
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Industrial Motors
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Facility Distribution Service
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Grounding and Bonding Issues
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Emergency Repair
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Lighting Designs/Install
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Machine & Process Control Wiring/Troubleshooting
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Retrofitting & Remodels
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Preventive Maintenance
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Fire alarm systems
And More!
Let us know what you need:
We offer free estimates and are available for emergency work. We are located out of Mukwonago, WI 53149.
262-500-4812

