A $16.8 billion SpaceX factory is coming to Grimes County, and officials say it will employ more than 3,000 people. A $16.8 billion SpaceX factory is coming to Grimes County, and officials say it will employ more than 3,000 people. A $16.8 billion SpaceX factory is coming to Grimes County, and officials say it will employ more than 3,000 people. A $16.8 billion SpaceX factory is coming to Grimes County, and officials say it will employ more than 3,000 people. ANDERSON, Texas (KTRK) -- A $16.8 billion SpaceX factory is coming to Grimes County, and officials say it will employ more than 3,000 people.