Stinger Ghaffarian Technologies (SGT) Inc., of Greenbelt, Md., won a NASA contract worth up to $45 million over four years to provide geophysics, geodynamics and space geodesy support to the agency’s Goddard Space Flight Center, also in Greenbelt.

The indefinite-delivery, indefinite-quantity contract was announced by NASA June 23 and covers a range of activities, including instrument and software development and data collection, archiving and dissemination in support of Goddard-led Earth science missions.

The ordering period for the contract runs from July 1 to Aug. 31, 2015.