A Reputation of Excellence

3M™ Dynatel™ Underground Locator Products, in their familiar yellow cases, are recognized worldwide for their ruggedness, versatility, outstanding performance and ease of use.

3M has proudly served utilities for more than 40 years, and we continue to invest in industry advances that help our customers around the globe improve their ability to locate and track buried assets. Today we have millions of markers buried worldwide!

We’re committed to developing underground locator and marking products and services that help save money, time -- and lives -- across the globe, by making underground asset locating easier, faster and safer. 3M has been awarded multiple patents related to location technology and we're always searching for new solutions and advancements, from our invention of the original passive marking system, to being the first to integrate RFiD technology into locating and marking products. Our newest industry breakthrough is the Plastic Pipe Location system, allowing for easy and quick identification of buried plastic pipes.

3M proudly offers a full spectrum of services and products for underground locating and marking needs, including:

• Ground fault locating accuracy
• Reliability/warranty returns
• Ruggedness in harsh environments
• Ergonomic design
• Product support (free technical service 800 number, training classes, on-line training)
• Service center (providing calibration, repair, upgrades and modifications for safety, performance and reliability).
• Product support and service center (providing calibration, repair, upgrades and modifications for safety, performance and reliability).
• Product support and service center (providing calibration, repair, upgrades and modifications for safety, performance and reliability).

Learn more about our locating and marking solutions for various industries.