North America Utility Locator Market Segmentation, By Technique (Electromagnetic Field, Ground Penetrating Radar, and Others), Offering (Equipment and Services), Target (Metallic and Non-Metallic), End User Industry (Telecommunication, Electricity, Water and Sewage, Oil and Gas, Transportation and Others), Device Type (Portable Locators, Truck-Mounted Locators, and Handheld Locators),Sales...