Find the right locating capability for the job

1st Call Utility Locating is a Northern California private utility locating company specializing in identifying and documenting underground infrastructure before excavation, drilling, coring, construction, and other site work begins.

AcuMark Utility Locating, LLC provides professional underground utility locating services for contractors, utility companies, engineers, property owners, and other organizations that need accurate information about subsurface infrastructure.

American Leak Detection of New York provides specialized leak detection and diagnostic services for residential, commercial, and municipal properties throughout the greater New York City area, including Brooklyn, Queens, the Bronx, Staten Island, Long Island, and surrounding communities. The company focuses on locating concealed water leaks and other plumbing problems while minimizing unnecessary demolition or disruption to the property.

Center Line Locating is a woman-owned utility locating and underground infrastructure services company based in Charlotte, North Carolina. The company provides public and private utility locating, utility mapping, hydro excavation and soft-dig services, CCTV pipe inspections, jetting and flushing, continuity testing, underground system cleaning, and trenchless point repairs. Its services help contractors, engineers, developers, municipalities, and property owners identify and verify buried infrastructure before excavation, construction, design, or maintenance work begins. Center Line Locating serves projects throughout North Carolina and South Carolina, with additional project-based work across the Southeast, emphasizing accurate field data, utility verification, detailed documentation, and damage prevention.

Core Dynamics GPR Inc. is a California-based subsurface investigation and damage-prevention company specializing in ground-penetrating radar (GPR), private utility locating, concrete scanning, and GPS mapping. The company works with contractors, property owners, engineers, and construction teams that need to identify hidden utilities or structural elements before excavation, drilling, coring, saw cutting, or other potentially destructive work begins.

Northern Lights Locating & Inspection, Inc. provides underground utility locating, mapping, inspection, and damage-prevention services for contractors, utility companies, municipalities, property owners, and construction teams. Based in Indiana, the company supports projects where accurate identification of buried infrastructure is critical before excavation, paving, grading, drilling, or other site work begins.

Quark Scan Inc. is a New Jersey-based subsurface investigation company specializing in underground utility locating, concrete scanning, ground-penetrating radar (GPR), underground storage tank locating, and geophysical surveys. The company primarily supports construction, engineering, environmental, and commercial projects where accurate information about buried or embedded infrastructure is needed before excavation, drilling, coring, saw cutting, or other site work begins.

RHD Services is a Georgia-based subsurface utility investigation company providing professional utility locating and site investigation services throughout the southeastern United States.

StrataTrace LLC is a New Jersey utility locating and subsurface documentation company that helps contractors, property owners, and project teams identify buried infrastructure before excavation or construction begins. The company specializes in private utility locating, electromagnetic detection, excavation safety support, and as-built utility mapping, with an emphasis on finding privately owned lines that may fall outside the scope of standard 811 mark-outs.

Sparus is a nationwide utility and infrastructure services organization that supports electric, gas, water, industrial, and other mission-critical infrastructure operators. The company provides a combination of field services, technical expertise, program management, and infrastructure products designed to help clients maintain existing systems, complete capital improvements, meet regulatory requirements, and reduce operational risk.