Distribution of manufacturing workers by size of establishment, March 2000 Size Percent Workers 1,000 or more workers 19.8 3,655,517 500 to 999 workers 13.3 2,447,483 250 to 499 workers 16.1 2,976,720 100 to 249 workers 20.3 3,738,404 50 to 99 workers 11.6 2,145,098 20 to 49 workers 10.4 1,922,856 10 to 19 workers 4.6 842,917 5 to 9 workers 2.5 453,495 Fewer than 5 workers 1.4 251,162