Partner With an Experienced Plumbing Contractor

Find quality commercial plumbing services in Louisville, KY

Building a successful business starts with doing the basics right. When you’re constructing a large commercial property from the ground up, you need to rely on experienced professionals to handle the HVAC, underground utility and plumbing installation work.

C Squared, Inc. is a commercial construction plumbing contractor that specializes in big-box stores and other retail buildings.
We never cut corners—our installations are completed right the first time.

We’ve been family owned for almost 70 years.
Marin Eichberger, a WWII vet, borrowed 1K from his uncle to start the business after the war in 1948. Second-generation owners

Chris and Ed took over in 1977 to continue the family tradition of providing the Louisville, KY metro area with quality commercial plumbing services, including:
Natural gas piping installation
Boiler installation
Hot water heater installation
Lead pipe replacement
Water main installation


We’re members of the Kentucky Association of Master Contractors (KAMC).
Call us when you need commercial HVAC and plumbing installation work done by an experienced commercial contractor.

Check out our portfolio

Many Fortune 500 companies in Kentucky and surrounding areas have turned to us for commercial plumbing services. Our portfolio includes work for clients in the retail and hospitality industries, from department stores and strip malls to restaurants and hotels. We’ve helped build properties for:

  • Best Buy
  • Target
  • Kroger
  • Lowe’s Home Improvement
  • The Home Depot
  • Courtyard Marriott
  • Hilton Garden Inn
  • BMW
Call now for your free commercial plumbing installation estimate in Louisville, KY or surrounding areas.

We’re licensed in four states

We hold plumbing licenses in four states: Kentucky, Ohio, Indiana and Tennessee. We also hold a boiler and HVAC license in Kentucky, and we’re certified in RPZ testing. Contact C Squared today to learn more about how we can help you complete your commercial build.

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