State Guides · Missouri
Missouri Electrician License and Permits Guide 2026
Missouri pairs an optional statewide electrical contractor license with city and county licenses. Learn how to check a license and who pulls permits.
·5 min read
St. Louis
Southwestern Electric Company
Insured Aluminum Wiring Repair Data Cabling Electrical Code Corrections Electrical Remodeling Electrical Service Upgrades Generator Transfer Switches
About Southwestern Electric Company
Southwestern Electric Company Inc. is a locally and family-owned electrical contractor that has worked in St. Louis since 1948. It is licensed, bonded and insured, according to its website.
For homeowners it handles service calls, overhead and underground service replacements and upgrades, panel and sub-panel replacements, wiring for single-family and multi-family buildings, rehabs, remodels, additions and outdoor living areas, pool equipment wiring, standby generators with automatic transfer switches, landscape lighting and low-voltage cabling. It also corrects items found in occupancy inspections and remediates aluminum wiring in condominiums.
The office is at 3838 S. Broadway in St. Louis, MO 63118, open weekdays with weekend appointments available. Call (314) 776-5252 or email sweco@sweco1948.com for a free estimate. Commercial tenant finishes and low-voltage work are handled by the same team.
- Serving St. Louis since 1948
- Family owned
- Licensed, bonded and insured (per website)
- Aluminum wiring remediation for condos
- Free estimates
Services
- Aluminum Wiring Repaircondo remediation with copper pigtails, permit included
- Data CablingStructured computer, network and communications cabling.
- Electrical Code Correctionsoccupancy inspection corrections
- Electrical RemodelingElectrical changes and additions for kitchen, bathroom, basement and other remodeling projects.
- Electrical Service Upgradesoverhead and underground service replacements
- Generator Transfer SwitchesElectrical transfer-switch installation for portable or standby generator connections.
- Home Standby Generator Installationgenerators with automatic transfer switches
- LightingIndoor, outdoor & recessed
- Low-Voltage SystemsInstallation and service of residential low-voltage electrical systems.
- New Construction ElectricalElectrical systems for new residential and multifamily construction.
- Occupancy Inspection CorrectionsFixing electrical items flagged in a city or county occupancy inspection before a sale or rental.
- Panel Upgradespanel and sub-panel replacements
- Pool Wiringpool equipment wiring
- Repairs & TroubleshootingOutlets, breakers, faults
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