| 1Spatial, United Kingdom |
| 1Spatial Group Ltd, United Kingdom |
| 3001, Northrop Grumman company, United States |
| 308 Systems Inc, United States |
| 3D Earth Inc., Korea |
| 3D Mapper Pty Ltd, Australia |
| 3D Nature LLC, United States |
| 3D Total, Portugal |
| 3-GIS, United States |
| 4C Consultants, India |
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