Find an IRA Registered Contractor
IRA Registered Contractors have met the program's standards of certification, licensing and training. Pick one to guide your project — newly approved contractors appear here automatically.
Displaying 326–350 of 748 contractors · List updated September 29, 2026
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J.C. Heating and Cooling Inc. HEAR 300 S RIVER ST, Janesville, WI 53548 · Rock County (608) 752-2472 jason.cox@jcheatingandcooling.netHVAC, Heat Pumps
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JDM Development LLC HEAR 6114 W CAPITOL DR STE 210, Milwaukee, WI 53216 · Milwaukee County (414) 202-5810 trueessence202@icloud.comWater Heater, Heat Pump Water Heater
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Jefferson Current Electric Inc HEAR 1473 INDUSTRIAL AVE, Jefferson, WI 53549 · Jefferson County (920) 674-6444 matt@jeffersoncurrentelectric.comElectrical
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JM Brennan Inc HEAR 2101 W SAINT PAUL AVE, Milwaukee, WI 53233 · Milwaukee County (414) 430-3970 mlunsmann@jmbrennan.comHVAC
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JM Electrical Contractors LLC HEAR 400 W SUNSET DR, Waukesha, WI 53189 · Waukesha County (262) 574-9473 joel@jmelec.comElectrical
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Johnson Controls Inc HOMESHEAR 5757 N GREEN BAY AVE, Milwaukee, WI 53209 · Milwaukee County (608) 381-8253 james.a.rittenhouse@jci.com
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Jolma Electric LLC HEAR 3100B ELLIS AVE, Ashland, WI 54806 · Ashland County (715) 413-0571 jeff@jolmaelectric.comSolar PV, Electrical
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Katze Electric LLC HEAR N8122 COUNTY ROAD W, Beaver Dam, WI 53916 · Dodge County (920) 296-9722 mitchkatze@gmail.comElectrical
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K&E Distributing Inc. HEAR PO BOX 605, Dallas Center, IA 50063 · Dallas County (515) 992-3328 jordan@kedistributing.comRetailer
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K&E Distributing Inc. HEAR 1501 WALNUT ST, Dallas Center, IA 50063 · Dallas County (515) 992-3328 jordan@kedistributing.comRetailer
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K&E Distributing Inc. HEAR 1501 WALNUT ST PO BOX 605, Dallas Center, IA 50063 · Dallas County (515) 992-3328 jordan@kedistributing.comRetailer
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Kelly Heating & Electric LLC HOMESHEAR 2730 MELBY ST, Eau Claire, WI 54703 · Chippewa County (715) 832-6909 tim@kellyheatingandelectric.comHVAC, Heat Pumps, Electrical
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Kenosha Heating & Cooling LLC HEAR 4421 SHERIDAN RD, Kenosha, WI 53140 · Kenosha County (262) 653-8223 jim@kenoshaheatingandcooling.comHVAC
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Kenosha Plumbing HEAR 7012 30TH AVE, Kenosha, WI 53142 · Kenosha County (262) 653-8223 jim@kenoshaheatingandcooling.comHVAC, Solar PV, Water Heater, Heat Pump Water Heater
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Kettle Moraine Appliance Sales and Service HEAR 7259 SLEEPY HOLLOW RD, West Bend, WI 53090 · Washington County (262) 689-6562 jim@kettlemoraineappliance.comRetailer
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Kettle Moraine Appliance Sales and Service HEAR W63N127 WASHINGTON AVE, Cedarburg, WI 53012 · Ozaukee County (262) 689-6562 jim@kettlemoraineappliance.comRetailer
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Kettle Moraine Appliance Sales and Service HEAR N144W6050 PIONEER RD, Cedarburg, WI 53012 · Ozaukee County (262) 689-6562 jim@kettlemoraineappliance.comRetailer
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Kettle Moraine Heating Air Conditioning LLC HEAR W325S1767 MICKLE RD, Delafield, WI 53018 · Waukesha County (262) 392-9400 joleniczak@kmheat.comHVAC, Geothermal, Heat Pump Water Heater, Electrical
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Kiehl Insulation HOMES 1504 17TH ST, Barron, WI 54812 · Barron County (715) 418-9749 kiehlinsulation@gmail.comInsulation
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Kiernan & Laitinen Heating & Air Conditioning Inc HOMESHEAR 1000 12TH ST, Racine, WI 53403 · Racine County (262) 637-0156 jon@klheatingcooling.comHVAC, Electrical
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King Electric Heating & Air Conditioning Inc. HOMESHEAR 1030 N PAGE ST, Stoughton, WI 53589 · Dane County (608) 873-3306 kingelectrichvac@sbcglobal.netHVAC
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Kish & Sons Electric HEAR 2135 ENTERPRISE AVE, La Crosse, WI 54603 · La Crosse County (608) 784-6623 scottf@kishelectric.comElectrical
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KJM Plumbing HOMESHEAR 3776 NORTH POINT RD, Middleton, WI 53562 · Dane County (920) 356-1403 Kurtmara17@gmail.com
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K Komfort Inc. HOMESHEAR 1201 6TH AVE, Grafton, WI 53024 · Ozaukee County (414) 906-9006 jane.krol@kkomfort.comHVAC
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Knaup Homes Inc. HEAR 1333 WAYLAND ST, Beaver Dam, WI 53916 · Dodge County (920) 887-1701 colpete@pspm.netHVAC, Electrical