GridWorld GridWorld (Beijing GridWorld Software Technology, 北京网格天地软件技术股份有限公司) is a company that focuses on the development of geoscientific modeling and analysis technologies. | ![]() D&F Systems D&F Systems is a company that specializes in the design, development, and testing of aerospace systems and components. | ![]() MathSys MathSys (Mathematical Systems and Solutions) is a provider of virtual test range software for electromagnetic (EM) modeling and simulation. | |
Founding Date | Founding Date 2003 | Founding Date 2020 | Founding Date 1998 |
Type | Type Public | Type Private | Type Private |
Tags | |||
Locations | Locations Beijing, CN HQ Nanjing, CN Houston, US | Locations Madison, US HQ | Locations Pasadena, US HQ |
Employees | Employees 353% decrease | Employees 2 | Employees 2 |

D&F Systems is a company that specializes in the design, development, and testing of aerospace systems and components.
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MathSys (Mathematical Systems and Solutions) is a provider of virtual test range software for electromagnetic (EM) modeling and simulation.
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