Commitment to Safety • Reliable Results
Responsive Resources • Established Expertise

Penhall Technologies provides utility locating, employing both electromagnetic induction (EMI) and ground penetrating radar (GPR) for privately owned property. We can identify and locate subsurface hazards and obstructions existing in the ground. Reduce the risk and help ensure the safety of your next project by contacting Penhall Technologies for your private utility locating needs.

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Once you submit this form, a Penhall Company representative will contact you within 24 hours. Thank you for the opportunity to earn your business!

Penhall Technologies Scanning Analyst Darren


  • 10 Years experience cutting and drilling for Penhall Co.
  • 2 Years experience as a GPR Analyst
  • 30 hr. OSHA Certified
  • Hilti PS1000 Structure Scan certified
  • RD7000 Radio detection certified
  • 7 years without a lost time accident
  • PowerSafe card for Southern Company Facilities

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Locate all utilities to ensure safety when excavating

Locating all utilities before excavationA customer in Montgomery, AL needed to identify subsurface utilities such as water, gas, sewer, and electrical before excavation could begin on a new construction project. Penhall GPR analysts arrived at the job site, used both GPR and RD technology to quickly locate and mark identified utilities.

Detect subsurface utilities and storage tanks for a gas station

Detect subsurface utilities and storage tanksPenhall Technologies located underground utilities at a local gas station in Montgomery, AL prior to an installation of a new perimeter fence. By conducting the utility locates, the project remained on schedule and the gas station only had to be closed for 12 hours during non-business hours.

Ground penetrating radar used to locate and mark electrical and gas lines

Locating electrical and gas linesA private Montgomery, AL residence had a pool installation scheduled for their backyard. Before trenching began, the homeowners called Penhall Technologies to perform underground utility locating on a 20’x30′ area. The analyst marked water and electrical lines and provided the homeowner a written field report to share with the pool company.

Locate utilities in a university parking lot after hours to avoid traffic build up

Experienced utility locator using GPRAt a university in Auburn, AL, a customer requested we locate utilities in a parking lot after normal school hours to avoid closures and traffic build up. The utilities were detected and marked after hours and no traffic issues occurred as a result.