Factories in federal records
EPA's ECHO database lists 145,910 active manufacturing facilities it regulates; the Census Bureau counts 284,452 manufacturing establishments in all (2023). 1,967 factories have their own page so far, starting with Toxics Release Inventory reporters. Each shows what's made there and its public EPA records, with dates.
Each dot sizes the number of active manufacturing facilities in EPA records in that area.
| State | In EPA records | TRI reporters | Factory pages |
|---|---|---|---|
| Alabama | 3,132 | 954 | 49 |
| Alaska | 250 | 28 | 3 |
| Arizona | 983 | 392 | 18 |
| Arkansas | 1,798 | 580 | 28 |
| California | 32,455 | 3,540 | 176 |
| Colorado | 1,833 | 414 | 21 |
| Connecticut | 1,417 | 661 | 33 |
| Delaware | 265 | 93 | 6 |
| District of Columbia | 42 | 9 | 6 |
| Florida | 5,357 | 1,176 | 58 |
| Georgia | 2,607 | 1,275 | 61 |
| Hawaii | 113 | 20 | 6 |
| Idaho | 863 | 178 | 9 |
| Illinois | 9,279 | 1,836 | 91 |
| Indiana | 3,706 | 1,551 | 79 |
| Iowa | 2,262 | 760 | 39 |
| Kansas | 2,156 | 531 | 27 |
| Kentucky | 1,551 | 601 | 31 |
| Louisiana | 3,589 | 636 | 32 |
| Maine | 490 | 154 | 8 |
| Maryland | 2,251 | 383 | 18 |
| Massachusetts | 4,349 | 964 | 49 |
| Michigan | 6,071 | 1,572 | 81 |
| Minnesota | 2,782 | 939 | 48 |
| Mississippi | 1,381 | 550 | 28 |
| Missouri | 3,907 | 933 | 47 |
| Montana | 205 | 61 | 6 |
| Nebraska | 1,130 | 354 | 18 |
| Nevada | 474 | 165 | 7 |
| New Hampshire | 787 | 212 | 11 |
| New Jersey | 3,425 | 1,022 | 51 |
| New Mexico | 695 | 86 | 5 |
| New York | 3,802 | 1,370 | 71 |
| North Carolina | 4,465 | 1,423 | 71 |
| North Dakota | 323 | 78 | 6 |
| Ohio | 5,100 | 2,213 | 112 |
| Oklahoma | 1,274 | 530 | 26 |
| Oregon | 1,214 | 516 | 26 |
| Pennsylvania | 5,394 | 1,877 | 96 |
| Rhode Island | 625 | 223 | 9 |
| South Carolina | 2,359 | 891 | 45 |
| South Dakota | 380 | 168 | 8 |
| Tennessee | 3,005 | 975 | 48 |
| Texas | 6,127 | 2,610 | 132 |
| Utah | 884 | 297 | 13 |
| Vermont | 349 | 58 | 6 |
| Virginia | 2,837 | 701 | 33 |
| Washington | 2,425 | 600 | 31 |
| West Virginia | 686 | 212 | 10 |
| Wisconsin | 2,851 | 1,348 | 69 |
| Wyoming | 205 | 61 | 5 |