1. njtr1::insurance
    Insurance companies licensed to do business in New Jersey
  2. zipcodeR::zcta_crosswalk
    ZCTA to Census Tract (2010) Crosswalk
  3. zipcodeR::zip_code_db
    ZIP Code Database
    data.frame|41877 x 24
  4. zipcodeR::zip_to_cd
    ZIP Code to Congressional District Relationship File