Line & Grade INC is a construction layout and surveyor company. We work with general contractors to help them dot their work, lay out roads and bridges, and generally keep everything on track. Our mission is to provide precision construction services that make everyone's lives easier. We're visionaries who see the potential in every project, and we're committed to making our clients happy - no matter what it takes. With over a decade of experience in the industry, we know how to get the job done right. So if you're looking for someone who can take your construction project from start to finish, Line & Grade INC is your go-to team.

UtiliSurvey, LLC was founded in 2005 by Hans J. Wonneberger together with two Registered Land Surveyors in Marietta, GA. offering their services to local engineers and surveyors. UtiliSurvey soon gained an excellent reputation in the industry and expanded their range of services to offer all levels of Subsurface Utility Engineering. In 2010 Hans J. Wonneberger retained sole ownership of the company and the main office moved to Peachtree City, GA. Our experienced team of professionals uses the latest SUE technologies, including Radio Frequency Detection, Ground Penetrating Radar (GPR), remote controlled CCTV cameras and nondestructive Hydro Vacuum Excavation equipment. UtiliSurvey's underground utility locating services designate, locate and accurately map underground utilities.