Carlson Software, Inc. (USA) is a leading global developer of software for geodesy, land cadastre, mining, civil and industrial construction, road construction, machine control, GIS and other applications, as well as a range of special office applications running in the AutoCAD environment for spatial information processing and design tasks of various objects. The company has created several software packages installed in both electronic total stations and field controllers to work with electronic total stations and GNSS receivers. Since 2010, the company using its own developments and innovative technologies of NovAtel Inc. manufactures the GNSS RTK Surveyor+GPS system.