![]() California Surveying & Drafting Supply California Surveying & Drafting Supply engages in surveying, mapping, 3D laser scanning, and wide-format printing and imaging solutions. | ![]() China Siwei China Siwei Surveying and Mapping Technology (中国四维绘测技术有限公司) is a satellite operator for geospatial intelligence and application services. | ||||
Founding Date | Founding Date 1986 | Founding Date 2016 | Founding Date 2002 | Founding Date 1992 | Founding Date 1992 |
Type | Type Private | Type Private | Type Subsidiary | Type Private | Type Subsidiary |
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Locations | Locations Sacramento, US HQ Dublin, US Fresno, US | Locations HQ | Locations Indianapolis, US HQ | Locations HQ | Locations Beijing, CN HQ |
Employees | Employees 801% decrease | Employees 5 | Employees 33 | Employees N/A | Employees 353 |

China Siwei Surveying and Mapping Technology (中国四维绘测技术有限公司) is a satellite operator for geospatial intelligence and application services.
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