Onsite Septic Inspections & Service

Maryland's Leading Onsite Septic Servicing Company

It's our pleasure to serve the state of Maryland in servicing your HOOT, Hydro Action, Clearstream, Geoflow Drip, and commercial septic systems.

Nancy Mayer

President & Owner

Greg Minahan

Inventory Manager

Mike Sample

Technician

Andrew Rumble

Technician

Eric Zamparo

Technician

Edward Barnett

Technician

Aimee Maloney

Technician/Office Staff

Christine Lee

OSIS Office Manager

Contact

Office Location: 100 Sharp Rd., Denton MD 21629

Stocking Locations in Denton, Glen Arm, and Pasadena, MD