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Formerly known as IQMotorBase. Same product, new name: 3PhaseFlow.
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Find industrial electric motor repair and rewinding shops in St. Louis, Missouri for plant and facility motors 5 HP and above. Not for residential, pool, or spa motors.
33
Listed centers
1
Based in area
32
Serve this area
32
Rewinding listed
25
Pickup / delivery
27
Rush available
32 centers matching filters

Marion, Iowa (IA)
Founded in 1912 and headquartered in Cedar Rapids, Iowa, Hupp Electric Motors is an EASA-Accredited service center and a premier regional leader in electromechanical repairs and industrial solutions. The company operates a high-capacity, 60,000+ square foot facility specializing in large motor rewinding (up to 10,000 HP), predictive maintenance, and custom control panel engineering.
View Capacity and Capabilities →Motor repair in St. Louis, Missouri
Browse industrial and commercial electric motor repair and rewinding centers in St. Louis, Missouri. This page lists 33 shops that match this area, either based here or explicitly serving it. This network focuses on plant and facility motors typically 5 HP and above. Filter by capability, AC motor rewinding, DC armature rewinding, stator rewinds, high-voltage, servo, and emergency service, then submit a qualified industrial repair request. Residential, pool, and spa motors are not matched here.
1 shop is based in St. Louis, Missouri; others appear because their service area includes this location. Look for the “Based in area” or “Serves area” badge on each card.
32 listings mention rewinding or coil work, open a profile for voltage limits, industries served, and testing scope. Directory listings are not quotes; final pricing comes after inspection.
Use filters to show shops based in St. Louis, Missouri, those that serve the area, or capabilities like rewinding, pickup, or rush turnaround.
Each listing links to capacity, certifications, industries served, and contact details, match voltage, HP, and application to the shop’s published scope.
Use Submit your requirement / Request quote above for plant or facility motors (5+ HP), or reach out to shops directly from their profile pages. Residential and pool/spa work is not routed.
For US ballpark pricing use the rewinding cost calculator and cost guide; for shop selection use our how-to-choose checklist, this page stays focused on finding shops in the area.
This page helps you find shops in St. Louis, Missouri. Use these guides for ballpark pricing and vetting, not duplicated here.
Run job write-ups, work orders, inventory, invoicing, time clock, and repair leads in one system built for electric motor and rewind shops, not motorcycle or auto repair software.