Denver Underground & Grading | Septic Tanks & Systems Contractors & Designers

Nov 5, 2025 9:48 PM

Waterloo, IA (Iowa) 50701
(319) 415-2****

Business Details

Serving the Areas:	Serving The Entire Cedar Valley
Products:	Septic Systems
Services:	Sewer & Water Repair C & Installation, Septic Systems, Basement Excavation, Land Clearing, Site Development, Custom Grading, Finish Grading & Seeding, Basement Digging, Finishing, Lot Clearing, Marine Construction, Septic Problems, Septic Tanks, Septic Work, Water Connections, Water Hook-Ups
Brands:	Septic-1, Septic Shock
Specialties:	Custom Construction, Land Development, Cellars, Custom Built
General Content:	Serving The Entire Cedar Valley

Additional Categories

Denver Underground & Grading is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Excavating Contractors
Grading Contractors
Septic Tanks & Systems Cleaning & Repairing
Septic Tanks & Systems Contractors & Designers
Sewer & Drain Cleaning Service & Repair

North American Industry Classification System (NAICS) Categories:

Highway, Street, And Bridge Construction > Highway Surfacing & Paving > Grading Contractors
Plumbing, Heating, And Air-Conditioning Contractors > Septic Tanks & Systems > Septic Tanks & Systems Repairing
Site Preparation Contractors
Other Specialized Design Services > Decorating & Designing Services > Septic Tanks & Systems Design
Septic Tank And Related Services > Septic Cleaning

Standard Industry Classification (SIC) Categories:

Plumbing, Heating And Air Conditioning > Septic Tanks & Systems > Septic Systems Installation & Repair
Plumbing, Heating And Air Conditioning > Septic Tanks & Systems > Septic Tanks & Systems Contractors & Designers
Excavation Work
Business Services, Nec > Decorating & Designing Services > Septic Tanks & Systems Design
Repair Shops And Related Services, Nec > Cleaning Services > Septic Tank & Systems Cleaning
Repair Shops And Related Services, Nec > Cleaning Services > Sewer & Drain Cleaning

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