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Founded In: 1994
Annual Vol: $1 million - $3 million

Our Story

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Building a successful business starts with doing the basics right. C Squared, Inc. is a commercial plumbing contractor in Louisville, KY 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

Whether you're in the middle of a plumbing emergency, you need a simple fixture repair, or you have a renovation project in mind, a Louisville, KY, plumber from C Squared, Inc., has the time, tools, and experience to accomplish what needs to be done. You can also relax knowing that, especially if a disaster strikes, our local company has technicians on-call in the community. Regardless of what your plumbing problem or project might entail, we can handle it. Whenever you need a bonded, licensed, and insured professional plumber and/or HVAC contractor give us a call.

Many Fortune 500 companies in Louisville, 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



Lowe’s Home Improvement

The Home Depot

Courtyard Marriott

Hilton Garden Inn


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. We’re members of the Kentucky Association of Master Contractors (KAMC). 

Call now for your free commercial plumbing installation estimate in Louisville, KY or surrounding areas.

What We Do

Products/Services Relating to Plumbing Contractors
Products/Services Relating to Underground Utilities--Contractors

Project Experience

Service Sector:
Project Types:
Service Work/Repairs
Project Size:
From $2 to $2,000,000,000
Civil & Site Development
Dams & Levies
Education (K-12)
School / College / University
Fire / Police Station
Gas Station
Golf Course
Hospital / Nursing Home
Industrial Maintenance
City / Town Hall
Office Building
Pre-Manufactured Structures
Terminal - Airport / Bus / Railroad
Church / Synagogue
Road / Highway
Sewage / Water Treatment Plant
Jail / Prison
Theme Park
Arena / Stadium
Parking Garage
Club House / Community Center
Historic Preservation
Secure and Shielded Facilities
Park / Playground
Storage Facility / Warehouse
Grocery Stores
Assisted Living
Design Build
Data Centers - Mission Critical
Auto Dealership / Service
Misc Project
Non-Building Construction
Athletic Field
Parking Lots
Swimming Pool
Tennis Court
Court House
Fitness Center
Medical Office
Post Office
Radio / Television Station
Tract Housing

Service Areas

Associations & Memberships

Member of Associated Builders and Contractors ABC ABC