Utility Locating Services

It is quite common for inaccuracies of utility records to result in change orders, project design changes, and most importantly, serious safety implications.  By identifying the location of utilities prior to the start of a construction project, we help our clients insure the safety and timely completion of their projects.


    • Ground Penetrating Radar (GPR)
    • Electromagnetic Surveys (EM)
    • Snaking Sondes
    • Radio-frequency / 60 Hz Utility Locating
    • Subsurface Utility Engineering (SUE)

THG provides private locating services for boring location clearances and utility mapping.