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The Insulators LLC

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Doing business as SOUTHERN MINNESOTA MECHANICAL

UEIUEI: the 12-character ID the government gives every company registered for federal work. It replaced the DUNS number in April 2022. Glossary DJZSLKH9C175· CAGECAGE code: a 5-character code that identifies one company location for federal work. A company with several sites can have several. Glossary 9LEN0· MADELIA, MN· Active registration until Dec 3, 2026· smnmech.com (opens in a new tab)

Overview

Registered industries (NAICS)

Registered in 6 industries; primary 238220

  • 238220 Plumbing, Heating, and Air-Conditioning Contractors
  • 423720 Plumbing and Heating Equipment and Supplies (Hydronics) Merchant Wholesalers
  • 423730 Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers
  • 423740 Refrigeration Equipment and Supplies Merchant Wholesalers
  • 423840 Industrial Supplies Merchant Wholesalers
  • 444180 Other Building Material Dealers

No prime contract or subcontract to this company appears in the federal contract records from FY2001 on.

About

From the company's SBA profile, updated Dec 2025

The Insulators LLC DBA Southern Minnesota Mechanical is a small women owned business that specializes in Plumbing and HVAC installation and repairs in the Southern Minnesota region. We proudly have been servering the DNR MRR4 SO REGION with their planned service and other needs that have requested.