DHS Preliminary Plan for Retrospective Review ??? USCIS works with the U.S. Department of Justice (DOJ), U.S. Department of Health and Human Services, U.S. Department of Labor (DOL), and U.S. Department of State. ??? U.S. Coast Guard works with many federal agencies, including the Department of Transportation (DOT), Environmental Protection Agency, Food and Drug Administration (FDA), Maritime Admi