In operation for more than 18 years, LandAir Surveying Company is a professional land surveying company. Headquartered in Roswell, Ga., it maintains offices throughout the United States. The company provides civil engineering, laser imaging, global positioning system and aerial mapping services. LandAir Surveying Company serves the transportation and commercial sectors, as well as federal and local government agencies. Its client list includes the Georgia Department of Transportation, City of Roswell, Parsons Brinckerhoff Quade & Douglas and URS Corporation. The company is a member of the Surveying and Mapping Society of Georgia, American Council of Engineering Companies of Georgia, American Institute of Architects and American Society of Highway Engineers. LandAir Surveying Company maintains a location in Lawrenceville, Ga.