1080 S Chapel St. Suite 201 Newark, DE 19702
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1-888-272-6065
24/7 Emergency Services
info@onthemarklocators.com
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WHO YOU SERVE
On The Mark Locators proudly serves a wide range of public and private sector clients, including:

Engineers & Design Professionals
Our solutions are purpose-built for engineers and design professionals who shape resilient, efficient, and future-ready infrastructure.

Utilities & Infrastructure Owners
Our expertise aligns with the operational and regulatory needs of water and wastewater utilities, helping optimize system performance, compliance.

Owners, Contractors & Public Agencies
We partner with municipal governments, transportation agencies, aviation and airport authorities, higher education campuses, and industrial.
WHAT MAKES ON THE MARK LOCATORS DIFFERENT

Multi-Technology Approach
We combine GPR, EM passive, and EM induction locating to deliver the highest possible accuracy—reducing risk.

Government & Infrastructure Focus
Our experience with municipal governments, transportation agencies, aviation facilities, and utilities ensures compliance.

Regional Expertise
With active projects throughout MD, PA, DE, NJ, DC, and VA, we understand regional utility systems, regulations.
WHAT MAKES ON THE MARK LOCATORS DIFFERENT
LOCATING, TECHNOLOGY, & RESULTS

Industrial, Commercial and Residential
On The Mark Locators is committed into making your job site a safe place to work.

Concrete Scanning
On The Mark Locators understand the importance of finding the Rebar, Electrical and Communications lines.

Utility Mapping
Avoid damages with reliable GPS information regarding location and description of underground.

Private Utility Locating Services
At On The Mark Locators, we deliver professional Private Utility Locating Services that help engineers,

Subsurface Utility Engineering (SUE) Services
On The Mark Locators provides comprehensive Subsurface Utility Engineering (SUE) Services to reduce risk.

Utility Mapping & CAD Deliverables
On The Mark Locators provides professional Utility Mapping & CAD Deliverables that transform verified.

GPR Utility Locating
On The Mark Locators provides professional GPR Utility Locating services to accurately detect underground utilities where traditional.

Utility Locating for Municipalities
On The Mark Locators provides reliable Utility Locating for Municipalities, helping cities, towns, and public.
UTILITY LOCATING QUALITY PROCESS
Our team and utility locating experts provide a full suite of state-of-the-art utility locating experience, designed to help your team avoid accidental underground strikes that can result in costly repairs, severe injury and lost time.
Step 1 : Site Walk
Visual Site Inspection
On The Mark Locators perform a visual job site inspection. We look for surface features and inspect the interior of the buildings to ensure that all underground utilities are accounted for in your scope of work.
Step 2: Locate & Verify the Known Utilities
EM Scans
We locate the known utilities in your scope of work. This is done by connecting, tracing and marking utilities from surface feature to surface feature ( Gas Valves, Water Pit or Meters, Electrical Transformers and Communication Junction Boxes). This may require us to connect to utilities out of the scope of work and trace back through the scope of work to ensure a safe place to work.
Step 3: Find & Identify Unknown Utilities
EM Passive Scans
Step 4: Find Anomalies Underground
Ground Penetrating Radar (GPR)
We have the knowledge along with the equipment to find Storm Drains, Fiber Optics Lines and Sanitary Sewer Lines that are passing through your scope of work. Those types of utilities are not usually located with accuracy. On The Mark Locators have the equipment to find these utilities. All we need is access.
Step 5: Quality
A Secure Job Site
On The Mark Locators walk through your scope of work using Passive Scans and a Unique Metal Detector looking utilities that may not have a surface feature or are just abandoned.
Safety Assessment Program
How Do Utility Locating Services Work?
1. Provides Crucial Underground Utility Informartiom
On The Mark Locators will perform a utility locate to help our clients navigate to make a safe jobsite.
2. Forensics And Data
We locate the known utilities in your scope of work as well as those that are not on the blueprints. Plus we can provide our clients with S.U.E Level A data along with documented video for sanitary sewer and storm lines.
3. Reliable Deliverables
We take pride on providing the information needed to make our clients jobsite a success. Every job is unique and requires a different approach to meet expectations.
4. Information Is Knowledge
With the information provided by On The Mark Locators, our clients make crucial time saving decisions. We solve problems that have not been acct.
Why use On The Mark locators?
Utility locating is a unique approach to finding underground utilities. No one can see in the ground. On The Mark Locators invest in the latest technology combined with numerous years of training to provide our clients with the most detailed utility scan in their scope of work.
We are the best at what we do because utility locating is a commitment to safety.
Industry Partnership