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On the Mark Locators
Newark, DE 19702
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Our Story
Our main lines of business include: Underground Utility Location, GPR, Hydro Excavation.
On the Mark Locators has been listed in the Blue Book since 2020.
What We Do
- Hydro Excavation
- Underground Utility Location, GPR
Regions & Counties Serviced
- Pennsylvania-Eastern
Delaware 1
- New Castle
Our CSI Codes
01 35 23 - Owner Safety Requirements
01 35 26 - Governmental Safety Requirements
01 35 29 - Health, Safety, and Emergency Response Procedures
01 35 33 - Infection Control Procedures
01 43 29 - Code-Required Special Inspector Qualifications
01 45 23 - Testing and Inspecting Services
01 79 00.00.01 - Demonstration and Training
02 22 23 - Accessibility Assessment
08 08 00.00.01 - Commissioning of Openings
