Sterling Mainz & Sons

Oct 27, 2025 1:38 PM

114 South Main Street
Oconomowoc, WI (Wisconsin) 53066-5221
(262) 567-4****

Business Details

62 years Since 1953 Sterling Mainz (Owner) (262) 567-7001 (Fax)

Serving the Areas:	Serving Lake Country
Products:	Service, Repair, Water Heaters, Softeners, Pumps, Disposals, Remodeling, Gas Motors, Gasoline Motors
Services:	Service, Repair, Water Heaters, Softeners, Pumps, Disposals, Water / Gas Leaks, Remodeling
Service Features:	Guarantees
Brands:	Ao Smith
Specialties:	Garbage Disposals, Pumps
General Content:	Call The Right Plumber The First Time, Family Owned For Over 60 Years, Quickly And Guaranteed, Service, Serving Lake Country For Over 70 Years, We Will Have Your Problem Fixed
Credit Rating:	Very Good
Sales Volume:	500K
Employee Size Range:	1-4
Franchise/Chain:	Standalone
Number of PC's:	0-1
Square Footage:	0-2499
Fortune 500:	No

Additional Categories

Sterling Mainz & Sons is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Plumbing Contractors
Pumps
Sewer & Drain Cleaning Service & Repair
Water Heaters Repair
Water Treatment Systems Equipment Service & Supplies

North American Industry Classification System (NAICS) Categories:

Plumbing, Heating, And Air-Conditioning Contractors > Plumbing Contractors
Plumbing, Heating, And Air-Conditioning Contractors > Water Heater Contractors
Plumbing And Heating Equipment And Supplies (Hydronics) Merchant Wholesalers > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
All Other Business Support Services > Water Services > Water Treatment Service
All Other Support Services > Water Services > Water Treatment Service
Septic Tank And Related Services > Septic Cleaning

Standard Industry Classification (SIC) Categories:

Plumbing, Heating And Air Conditioning > Plumbing Contractors
Plumbing, Heating And Air Conditioning > Water Heater Contractors
Plumbing And Heating Equipment And Supplies (Hydronics) > Water Filters & Purification Equipment > Water Softening & Conditioning Equipment
Industrial Machinery & Equipment > Compressors, Generators, Fans & Pumps > Pumps
Business Services, Nec > Water Services > Water Treatment Service
Repair Shops And Related Services, Nec > Cleaning Services > Sewer & Drain Cleaning

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