| Richfield | 2000 | Accommodation and Food Services | 1412 |
| Richfield | 2000 | Administrative and Waste Services | 1143 |
| Richfield | 2000 | All Other Industries | 837 |
| Richfield | 2000 | Arts, Entertainment, and Recreation | 76 |
| Richfield | 2000 | Construction | 556 |
| Richfield | 2000 | Educational Services | 1007 |
| Richfield | 2000 | Finance and Insurance | 558 |
| Richfield | 2000 | Health Care and Social Assistance | 1140 |
| Richfield | 2000 | Information | 230 |
| Richfield | 2000 | Other Services, Ex. Public Admin | 947 |
| Richfield | 2000 | Public Administration | 416 |
| Richfield | 2000 | Real Estate and Rental and Leasing | 214 |
| Richfield | 2000 | Retail Trade | 2784 |
| Richfield | 2000 | Transportation and Warehousing | 72 |
| Richfield | 2000 | Wholesale Trade | 370 |
| Richfield | 2001 | Accommodation and Food Services | 1618 |
| Richfield | 2001 | Administrative and Waste Services | 1239 |
| Richfield | 2001 | All Other Industries | 165 |
| Richfield | 2001 | Arts, Entertainment, and Recreation | 62 |
| Richfield | 2001 | Construction | 678 |
| Richfield | 2001 | Educational Services | 983 |
| Richfield | 2001 | Finance and Insurance | 562 |
| Richfield | 2001 | Health Care and Social Assistance | 1208 |
| Richfield | 2001 | Information | 222 |
| Richfield | 2001 | Management of Companies and Enterprises | 33 |
| Richfield | 2001 | Other Services, Ex. Public Admin | 790 |
| Richfield | 2001 | Professional and Technical Services | 539 |
| Richfield | 2001 | Public Administration | 404 |
| Richfield | 2001 | Real Estate and Rental and Leasing | 166 |
| Richfield | 2001 | Retail Trade | 2787 |
| Richfield | 2001 | Transportation and Warehousing | 85 |
| Richfield | 2001 | Wholesale Trade | 358 |
| Richfield | 2002 | Accommodation and Food Services | 1475 |
| Richfield | 2002 | All Other Industries | 549 |
| Richfield | 2002 | Arts, Entertainment, and Recreation | 75 |
| Richfield | 2002 | Construction | 568 |
| Richfield | 2002 | Educational Services | 986 |
| Richfield | 2002 | Finance and Insurance | 467 |
| Richfield | 2002 | Health Care and Social Assistance | 1275 |
| Richfield | 2002 | Information | 203 |
| Richfield | 2002 | Other Services, Ex. Public Admin | 823 |
| Richfield | 2002 | Professional and Technical Services | 434 |
| Richfield | 2002 | Public Administration | 373 |
| Richfield | 2002 | Real Estate and Rental and Leasing | 220 |
| Richfield | 2002 | Retail Trade | 2660 |
| Richfield | 2002 | Transportation and Warehousing | 95 |
| Richfield | 2002 | Wholesale Trade | 333 |
| Richfield | 2003 | Accommodation and Food Services | 1431 |
| Richfield | 2003 | Administrative and Waste Services | 405 |
| Richfield | 2003 | All Other Industries | 174 |
| Richfield | 2003 | Arts, Entertainment, and Recreation | 69 |
| Richfield | 2003 | Construction | 565 |
| Richfield | 2003 | Educational Services | 1029 |
| Richfield | 2003 | Finance and Insurance | 323 |
| Richfield | 2003 | Health Care and Social Assistance | 1436 |
| Richfield | 2003 | Information | 195 |
| Richfield | 2003 | Management of Companies and Enterprises | 4434 |
| Richfield | 2003 | Other Services, Ex. Public Admin | 788 |
| Richfield | 2003 | Professional and Technical Services | 459 |
| Richfield | 2003 | Public Administration | 355 |
| Richfield | 2003 | Real Estate and Rental and Leasing | 232 |
| Richfield | 2003 | Retail Trade | 2408 |
| Richfield | 2003 | Transportation and Warehousing | 51 |
| Richfield | 2003 | Wholesale Trade | 404 |
| Richfield | 2004 | Accommodation and Food Services | 1407 |
| Richfield | 2004 | Administrative and Waste Services | 396 |
| Richfield | 2004 | All Other Industries | 170 |
| Richfield | 2004 | Arts, Entertainment, and Recreation | 66 |
| Richfield | 2004 | Construction | 610 |
| Richfield | 2004 | Educational Services | 1027 |
| Richfield | 2004 | Finance and Insurance | 381 |
| Richfield | 2004 | Health Care and Social Assistance | 1425 |
| Richfield | 2004 | Information | 304 |
| Richfield | 2004 | Management of Companies and Enterprises | 4453 |
| Richfield | 2004 | Other Services, Ex. Public Admin | 677 |
| Richfield | 2004 | Professional and Technical Services | 374 |
| Richfield | 2004 | Public Administration | 360 |
| Richfield | 2004 | Real Estate and Rental and Leasing | 196 |
| Richfield | 2004 | Retail Trade | 2185 |
| Richfield | 2004 | Transportation and Warehousing | 47 |
| Richfield | 2004 | Wholesale Trade | 419 |
| Richfield | 2005 | Accommodation and Food Services | 1338 |
| Richfield | 2005 | Administrative and Waste Services | 489 |
| Richfield | 2005 | All Other Industries | 145 |
| Richfield | 2005 | Arts, Entertainment, and Recreation | 71 |
| Richfield | 2005 | Construction | 613 |
| Richfield | 2005 | Educational Services | 1050 |
| Richfield | 2005 | Finance and Insurance | 344 |
| Richfield | 2005 | Health Care and Social Assistance | 1624 |
| Richfield | 2005 | Information | 292 |
| Richfield | 2005 | Management of Companies and Enterprises | 3598 |
| Richfield | 2005 | Other Services, Ex. Public Admin | 790 |
| Richfield | 2005 | Professional and Technical Services | 1150 |
| Richfield | 2005 | Public Administration | 363 |
| Richfield | 2005 | Real Estate and Rental and Leasing | 184 |
| Richfield | 2005 | Retail Trade | 2031 |
| Richfield | 2005 | Transportation and Warehousing | 56 |
| Richfield | 2005 | Wholesale Trade | 387 |
| Richfield | 2006 | Accommodation and Food Services | 1281 |
| Richfield | 2006 | Administrative and Waste Services | 489 |
| Richfield | 2006 | All Other Industries | 2480 |
| Richfield | 2006 | Arts, Entertainment, and Recreation | 60 |
| Richfield | 2006 | Construction | 476 |
| Richfield | 2006 | Educational Services | 1044 |
| Richfield | 2006 | Health Care and Social Assistance | 1893 |
| Richfield | 2006 | Information | 246 |
| Richfield | 2006 | Management of Companies and Enterprises | 4030 |
| Richfield | 2006 | Manufacturing | 126 |
| Richfield | 2006 | Other Services, Ex. Public Admin | 694 |
| Richfield | 2006 | Professional and Technical Services | 1002 |
| Richfield | 2006 | Public Administration | 358 |
| Richfield | 2006 | Retail Trade | 2042 |
| Richfield | 2006 | Transportation and Warehousing | 59 |
| Richfield | 2006 | Wholesale Trade | 485 |
| Richfield | 2007 | Accommodation and Food Services | 1397 |
| Richfield | 2007 | Administrative and Waste Services | 438 |
| Richfield | 2007 | All Other Industries | 2264 |
| Richfield | 2007 | Arts, Entertainment, and Recreation | 66 |
| Richfield | 2007 | Construction | 446 |
| Richfield | 2007 | Educational Services | 1721 |
| Richfield | 2007 | Health Care and Social Assistance | 1831 |
| Richfield | 2007 | Information | 227 |
| Richfield | 2007 | Management of Companies and Enterprises | 3760 |
| Richfield | 2007 | Manufacturing | 133 |
| Richfield | 2007 | Other Services, Ex. Public Admin | 580 |
| Richfield | 2007 | Professional and Technical Services | 1051 |
| Richfield | 2007 | Public Administration | 355 |
| Richfield | 2007 | Retail Trade | 1951 |
| Richfield | 2007 | Transportation and Warehousing | 105 |
| Richfield | 2007 | Wholesale Trade | 542 |
| Richfield | 2008 | Accommodation and Food Services | 1215 |
| Richfield | 2008 | Administrative and Waste Services | 497 |
| Richfield | 2008 | All Other Industries | 239 |
| Richfield | 2008 | Arts, Entertainment, and Recreation | 61 |
| Richfield | 2008 | Construction | 378 |
| Richfield | 2008 | Educational Services | 1811 |
| Richfield | 2008 | Finance and Insurance | 1186 |
| Richfield | 2008 | Health Care and Social Assistance | 2271 |
| Richfield | 2008 | Management of Companies and Enterprises | 3851 |
| Richfield | 2008 | Manufacturing | 122 |
| Richfield | 2008 | Other Services, Ex. Public Admin | 538 |
| Richfield | 2008 | Professional and Technical Services | 1078 |
| Richfield | 2008 | Public Administration | 354 |
| Richfield | 2008 | Real Estate and Rental and Leasing | 183 |
| Richfield | 2008 | Retail Trade | 2908 |
| Richfield | 2008 | Transportation and Warehousing | 120 |
| Richfield | 2008 | Wholesale Trade | 365 |
| Richfield | 2009 | Accommodation and Food Services | 1092 |
| Richfield | 2009 | Administrative and Waste Services | 0 |
| Richfield | 2009 | All Other Industries | 4391 |
| Richfield | 2009 | Arts, Entertainment, and Recreation | 58 |
| Richfield | 2009 | Construction | 272 |
| Richfield | 2009 | Educational Services | 2025 |
| Richfield | 2009 | Finance and Insurance | 599 |
| Richfield | 2009 | Health Care and Social Assistance | 2489 |
| Richfield | 2009 | Management of Companies and Enterprises | 0 |
| Richfield | 2009 | Manufacturing | 100 |
| Richfield | 2009 | Other Services, Ex. Public Admin | 543 |
| Richfield | 2009 | Professional and Technical Services | 1034 |
| Richfield | 2009 | Public Administration | 384 |
| Richfield | 2009 | Real Estate and Rental and Leasing | 265 |
| Richfield | 2009 | Retail Trade | 2388 |
| Richfield | 2009 | Transportation and Warehousing | 140 |
| Richfield | 2009 | Wholesale Trade | 286 |
| Richfield | 2010 | Accommodation and Food Services | 1080 |
| Richfield | 2010 | Administrative and Waste Services | 1269 |
| Richfield | 2010 | All Other Industries | 2933 |
| Richfield | 2010 | Arts, Entertainment, and Recreation | 43 |
| Richfield | 2010 | Construction | 246 |
| Richfield | 2010 | Educational Services | 2255 |
| Richfield | 2010 | Finance and Insurance | 401 |
| Richfield | 2010 | Health Care and Social Assistance | 2451 |
| Richfield | 2010 | Information | 157 |
| Richfield | 2010 | Manufacturing | 97 |
| Richfield | 2010 | Other Services, Ex. Public Admin | 533 |
| Richfield | 2010 | Public Administration | 380 |
| Richfield | 2010 | Real Estate and Rental and Leasing | 279 |
| Richfield | 2010 | Retail Trade | 2728 |
| Richfield | 2010 | Transportation and Warehousing | 386 |
| Richfield | 2010 | Wholesale Trade | 366 |
| Richfield | 2011 | Accommodation and Food Services | 1108 |
| Richfield | 2011 | Administrative and Waste Services | 1325 |
| Richfield | 2011 | All Other Industries | 4 |
| Richfield | 2011 | Arts, Entertainment, and Recreation | 37 |
| Richfield | 2011 | Construction | 260 |
| Richfield | 2011 | Educational Services | 2354 |
| Richfield | 2011 | Finance and Insurance | 2148 |
| Richfield | 2011 | Health Care and Social Assistance | 2174 |
| Richfield | 2011 | Information | 124 |
| Richfield | 2011 | Management of Companies and Enterprises | 2723 |
| Richfield | 2011 | Manufacturing | 88 |
| Richfield | 2011 | Other Services, Ex. Public Admin | 550 |
| Richfield | 2011 | Professional and Technical Services | 409 |
| Richfield | 2011 | Public Administration | 379 |
| Richfield | 2011 | Real Estate and Rental and Leasing | 295 |
| Richfield | 2011 | Retail Trade | 2755 |
| Richfield | 2011 | Transportation and Warehousing | 504 |
| Richfield | 2011 | Wholesale Trade | 364 |
| Richfield | 2012 | Accommodation and Food Services | 1228 |
| Richfield | 2012 | Administrative and Waste Services | 1396 |
| Richfield | 2012 | All Other Industries | 5 |
| Richfield | 2012 | Arts, Entertainment, and Recreation | 58 |
| Richfield | 2012 | Construction | 260 |
| Richfield | 2012 | Educational Services | 2067 |
| Richfield | 2012 | Finance and Insurance | 1912 |
| Richfield | 2012 | Health Care and Social Assistance | 2245 |
| Richfield | 2012 | Information | 71 |
| Richfield | 2012 | Management of Companies and Enterprises | 3055 |
| Richfield | 2012 | Manufacturing | 93 |
| Richfield | 2012 | Other Services, Ex. Public Admin | 553 |
| Richfield | 2012 | Professional and Technical Services | 344 |
| Richfield | 2012 | Public Administration | 377 |
| Richfield | 2012 | Real Estate and Rental and Leasing | 330 |
| Richfield | 2012 | Retail Trade | 2413 |
| Richfield | 2012 | Transportation and Warehousing | 389 |
| Richfield | 2012 | Wholesale Trade | 474 |
| Richfield | 2013 | Accommodation and Food Services | 1312 |
| Richfield | 2013 | Administrative and Waste Services | 526 |
| Richfield | 2013 | All Other Industries | 4 |
| Richfield | 2013 | Arts, Entertainment, and Recreation | 74 |
| Richfield | 2013 | Construction | 264 |
| Richfield | 2013 | Educational Services | 1423 |
| Richfield | 2013 | Finance and Insurance | 2055 |
| Richfield | 2013 | Health Care and Social Assistance | 2236 |
| Richfield | 2013 | Information | 60 |
| Richfield | 2013 | Management of Companies and Enterprises | 3691 |
| Richfield | 2013 | Manufacturing | 65 |
| Richfield | 2013 | Other Services, Ex. Public Admin | 537 |
| Richfield | 2013 | Professional and Technical Services | 309 |
| Richfield | 2013 | Public Administration | 387 |
| Richfield | 2013 | Real Estate and Rental and Leasing | 356 |
| Richfield | 2013 | Retail Trade | 2662 |
| Richfield | 2013 | Transportation and Warehousing | 390 |
| Richfield | 2013 | Wholesale Trade | 474 |
| Richfield | 2014 | Accommodation and Food Services | 1288 |
| Richfield | 2014 | Administrative and Waste Services | 686 |
| Richfield | 2014 | All Other Industries | 833 |
| Richfield | 2014 | Arts, Entertainment, and Recreation | 82 |
| Richfield | 2014 | Construction | 305 |
| Richfield | 2014 | Educational Services | 1398 |
| Richfield | 2014 | Finance and Insurance | 2213 |
| Richfield | 2014 | Health Care and Social Assistance | 1587 |
| Richfield | 2014 | Information | 61 |
| Richfield | 2014 | Management of Companies and Enterprises | 3492 |
| Richfield | 2014 | Manufacturing | 68 |
| Richfield | 2014 | Other Services, Ex. Public Admin | 542 |
| Richfield | 2014 | Professional and Technical Services | 359 |
| Richfield | 2014 | Public Administration | 386 |
| Richfield | 2014 | Real Estate and Rental and Leasing | 317 |
| Richfield | 2014 | Retail Trade | 2680 |
| Richfield | 2015 | Accommodation and Food Services | 1300 |
| Richfield | 2015 | Administrative and Waste Services | 376 |
| Richfield | 2015 | All Other Industries | 817 |
| Richfield | 2015 | Arts, Entertainment, and Recreation | 91 |
| Richfield | 2015 | Construction | 363 |
| Richfield | 2015 | Educational Services | 1320 |
| Richfield | 2015 | Finance and Insurance | 2213 |
| Richfield | 2015 | Health Care and Social Assistance | 1669 |
| Richfield | 2015 | Information | 79 |
| Richfield | 2015 | Management of Companies and Enterprises | 3707 |
| Richfield | 2015 | Manufacturing | 75 |
| Richfield | 2015 | Other Services, Ex. Public Admin | 541 |
| Richfield | 2015 | Professional and Technical Services | 475 |
| Richfield | 2015 | Public Administration | 383 |
| Richfield | 2015 | Real Estate and Rental and Leasing | 291 |
| Richfield | 2015 | Retail Trade | 2848 |
| Richfield | 2016 | Accommodation and Food Services | 1534 |
| Richfield | 2016 | Administrative and Waste Services | 366 |
| Richfield | 2016 | All Other Industries | 724 |
| Richfield | 2016 | Arts, Entertainment, and Recreation | 99 |
| Richfield | 2016 | Construction | 368 |
| Richfield | 2016 | Educational Services | 1245 |
| Richfield | 2016 | Finance and Insurance | 2272 |
| Richfield | 2016 | Health Care and Social Assistance | 1627 |
| Richfield | 2016 | Information | 94 |
| Richfield | 2016 | Management of Companies and Enterprises | 3850 |
| Richfield | 2016 | Manufacturing | 40 |
| Richfield | 2016 | Other Services, Ex. Public Admin | 495 |
| Richfield | 2016 | Professional and Technical Services | 809 |
| Richfield | 2016 | Public Administration | 388 |
| Richfield | 2016 | Real Estate and Rental and Leasing | 386 |
| Richfield | 2016 | Retail Trade | 3009 |
| Richfield | 2017 | Accommodation and Food Services | 1347 |
| Richfield | 2017 | Administrative and Waste Services | 315 |
| Richfield | 2017 | All Other Industries | 745 |
| Richfield | 2017 | Arts, Entertainment, and Recreation | 80 |
| Richfield | 2017 | Construction | 333 |
| Richfield | 2017 | Educational Services | 1153 |
| Richfield | 2017 | Finance and Insurance | 2475 |
| Richfield | 2017 | Health Care and Social Assistance | 1613 |
| Richfield | 2017 | Information | 114 |
| Richfield | 2017 | Management of Companies and Enterprises | 3900 |
| Richfield | 2017 | Manufacturing | 31 |
| Richfield | 2017 | Other Services, Ex. Public Admin | 503 |
| Richfield | 2017 | Professional and Technical Services | 946 |
| Richfield | 2017 | Public Administration | 379 |
| Richfield | 2017 | Real Estate and Rental and Leasing | 194 |
| Richfield | 2017 | Retail Trade | 3127 |
| Richfield | 2018 | Accommodation and Food Services | 1441 |
| Richfield | 2018 | Administrative and Waste Services | 305 |
| Richfield | 2018 | All Other Industries | 484 |
| Richfield | 2018 | Arts, Entertainment, and Recreation | 91 |
| Richfield | 2018 | Construction | 290 |
| Richfield | 2018 | Educational Services | 1061 |
| Richfield | 2018 | Finance and Insurance | 2562 |
| Richfield | 2018 | Health Care and Social Assistance | 1507 |
| Richfield | 2018 | Information | 118 |
| Richfield | 2018 | Management of Companies and Enterprises | 3978 |
| Richfield | 2018 | Manufacturing | 38 |
| Richfield | 2018 | Other Services, Ex. Public Admin | 556 |
| Richfield | 2018 | Professional and Technical Services | 859 |
| Richfield | 2018 | Public Administration | 378 |
| Richfield | 2018 | Real Estate and Rental and Leasing | 223 |
| Richfield | 2018 | Retail Trade | 3192 |
| Richfield | 2018 | Transportation and Warehousing | 0 |
| Richfield | 2018 | Wholesale Trade | 0 |
| Richfield | 2019 | Accommodation and Food Services | 1306 |
| Richfield | 2019 | Administrative and Waste Services | 432 |
| Richfield | 2019 | All Other Industries | 7 |
| Richfield | 2019 | Arts, Entertainment, and Recreation | 114 |
| Richfield | 2019 | Construction | 304 |
| Richfield | 2019 | Educational Services | 1081 |
| Richfield | 2019 | Finance and Insurance | 2435 |
| Richfield | 2019 | Health Care and Social Assistance | 1584 |
| Richfield | 2019 | Information | 111 |
| Richfield | 2019 | Management of Companies and Enterprises | 4709 |
| Richfield | 2019 | Manufacturing | 36 |
| Richfield | 2019 | Other Services, Ex. Public Admin | 640 |
| Richfield | 2019 | Professional and Technical Services | 1181 |
| Richfield | 2019 | Public Administration | 387 |
| Richfield | 2019 | Real Estate and Rental and Leasing | 195 |
| Richfield | 2019 | Retail Trade | 2392 |
| Richfield | 2019 | Transportation and Warehousing | 102 |
| Richfield | 2019 | Wholesale Trade | 385 |
| Richfield | 2020 | Accommodation and Food Services | 917 |
| Richfield | 2020 | Administrative and Waste Services | 407 |
| Richfield | 2020 | All Other Industries | 441 |
| Richfield | 2020 | Arts, Entertainment, and Recreation | 25 |
| Richfield | 2020 | Construction | 285 |
| Richfield | 2020 | Educational Services | 1142 |
| Richfield | 2020 | Finance and Insurance | 2151 |
| Richfield | 2020 | Health Care and Social Assistance | 1310 |
| Richfield | 2020 | Information | 103 |
| Richfield | 2020 | Management of Companies and Enterprises | 4787 |
| Richfield | 2020 | Manufacturing | 25 |
| Richfield | 2020 | Other Services, Ex. Public Admin | 329 |
| Richfield | 2020 | Professional and Technical Services | 1046 |
| Richfield | 2020 | Public Administration | 328 |
| Richfield | 2020 | Real Estate and Rental and Leasing | 191 |
| Richfield | 2020 | Retail Trade | 2259 |
| Richfield | 2020 | Transportation and Warehousing | 0 |
| Richfield | 2020 | Wholesale Trade | 0 |
| Richfield | 2021 | Accommodation and Food Services | 1156 |
| Richfield | 2021 | Administrative and Waste Services | 517 |
| Richfield | 2021 | All Other Industries | 4 |
| Richfield | 2021 | Arts, Entertainment, and Recreation | 79 |
| Richfield | 2021 | Construction | 303 |
| Richfield | 2021 | Educational Services | 1150 |
| Richfield | 2021 | Finance and Insurance | 1684 |
| Richfield | 2021 | Health Care and Social Assistance | 1478 |
| Richfield | 2021 | Information | 92 |
| Richfield | 2021 | Management of Companies and Enterprises | 4984 |
| Richfield | 2021 | Manufacturing | 36 |
| Richfield | 2021 | Other Services, Ex. Public Admin | 543 |
| Richfield | 2021 | Professional and Technical Services | 1151 |
| Richfield | 2021 | Public Administration | 364 |
| Richfield | 2021 | Real Estate and Rental and Leasing | 182 |
| Richfield | 2021 | Retail Trade | 2531 |
| Richfield | 2021 | Transportation and Warehousing | 122 |
| Richfield | 2021 | Wholesale Trade | 359 |
| Richfield | 2022 | Accommodation and Food Services | 1198 |
| Richfield | 2022 | Administrative and Waste Services | 534 |
| Richfield | 2022 | All Other Industries | 6 |
| Richfield | 2022 | Arts, Entertainment, and Recreation | 92 |
| Richfield | 2022 | Construction | 301 |
| Richfield | 2022 | Educational Services | 1242 |
| Richfield | 2022 | Finance and Insurance | 1524 |
| Richfield | 2022 | Health Care and Social Assistance | 2683 |
| Richfield | 2022 | Information | 88 |
| Richfield | 2022 | Management of Companies and Enterprises | 5480 |
| Richfield | 2022 | Manufacturing | 31 |
| Richfield | 2022 | Other Services, Ex. Public Admin | 542 |
| Richfield | 2022 | Professional and Technical Services | 1135 |
| Richfield | 2022 | Public Administration | 364 |
| Richfield | 2022 | Real Estate and Rental and Leasing | 193 |
| Richfield | 2022 | Retail Trade | 2564 |
| Richfield | 2022 | Transportation and Warehousing | 139 |
| Richfield | 2022 | Wholesale Trade | 378 |