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Onsite Septic Inspections & Service

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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.

Technologies We Service

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Meet The Team
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Nancy Mayer

President & Owner

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Greg Minahan

Inventory Manager

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Mike Sample

Technician

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Andrew Rumble

Technician

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Eric Zamparo

Technician

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Edward Barnett

Technician

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Aimee Maloney

Technician/Office Staff

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Sharon King

MBI Office Manager

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Christine Lee

OSIS Office Manager

Contact
Contact us with questions

Office Location: 100 Sharp Rd., Denton MD 21629

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

osismbi@gmail.com

Office: 410-796-1434

Please use this number for general questions or to pay your bill over the phone, during normal business hours:

Monday - Friday 

8am-4pm

After Hours Alarms: 443-883-1951

Please use this number for alarms outside of

normal business hours: After 4pm + Weekends

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