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Our Story
On The Mark Locators is a WBE, MBE & DBE certified organization, which provides professional Subsurface Engineering Utility Locating Service, we are committed to providing the necessary guidance you need in order to safely advance in your construction process. Our experience technicians and engineer team will provide facilities locating and mapping, Ground Penetration Radar, Concrete Scan, Leak Detection, and Damage Prevention Investigations. Providing a scope of services suitable to the client’s project and needs.
What We Do
Commercial Experience
Misc Project
Airport Runway
Animal Hospital / Kennel
Apartments & Condominiums
Arena / Stadium
Assisted Living
Athletic Field
Auto Dealership / Service
Bank
Casinos
Church / Synagogue
City / Town Hall
Civil & Site Development
Club House / Community Center
Court House
Data Centers - Mission Critical
Design Build
Education (K-12)
Fire / Police Station
Fitness Center
Gas Station
Golf Course
Government
Grocery Stores
Hospital / Nursing Home
Hotel / Motel
Jail / Prison
Library
Lighting Retrofits
Manufacturing Plant
Medical Office
Military
Museum
Non-Residential Building
Office Building
Park / Playground
Parking Lots
Post Office
Power Generation & Distribution
Radio / Television Station
Renewable Energy
Residential Building
Restaurant
Retail Store
Road / Highway
School / College / University
Secure and Shielded Facilities
Sewage / Water Treatment Plant
Single Family Residential
Storage Facility / Warehouse
Swimming Pool
Terminal - Airport / Bus / Railroad
Theater
Theme Park
Utilities
Regions & Counties Serviced
- Pennsylvania-Eastern
Delaware All
District Of Columbia All
Maryland 16
- Anne Arundel
- Baltimore
- Baltimore City
- Caroline
- Cecil
- Charles
- Dorchester
- Kent
- Montgomery
- Prince Georges
- Queen Annes
- Somerset
- Talbot
- Washington
- Wicomico
- Worcester
New Jersey 13
- Atlantic
- Burlington
- Camden
- Cape May
- Cumberland
- Gloucester
- Hunterdon
- Mercer
- Middlesex
- Ocean
- Salem
- Somerset
- Union
Pennsylvania 16
- Adams
- Berks
- Chester
- Dauphin
- Delaware
- Lancaster
- Lebanon
- Lehigh
- Monroe
- Montgomery
- Northampton
- Perry
- Philadelphia
- Schuylkill
- Union
- York
Our CSI Codes
02 30 00.00.01 - Subsurface Investigation