Industry                              Estab. and emp.           Total  est. & emp.        Fewer than 5 workers [3]  5 to 9 workers            10 to 19 workers          20 to 49 workers          50 to 99 workers          100 to 249 workers        250 to 499 workers        500 to 999 workers        1000 or more workers      
Total all industries [1]              Quarterly establishments  8203193                   4937585                   1368471                   900660                    620350                    210747                    119647                    29663                     10633                     5437                      
Total all industries [1]              March employment          108400665                 7342119                   9060122                   12154050                  18712178                  14484991                  17908651                  10135444                  7202266                   11400844                  
Natural resources and mining          Quarterly establishments  122314                    69037                     23171                     15130                     9542                      3024                      1679                      505                       170                       56                        
Natural resources and mining          March employment          1591414                   110672                    153458                    203615                    285777                    207152                    254726                    175153                    114603                    86258                     
Construction                          Quarterly establishments  831198                    541438                    136884                    81651                     49546                     13963                     6186                      1178                      279                       73                        
Construction                          March employment          6801693                   788401                    897445                    1095463                   1480278                   946712                    911056                    393664                    185993                    102681                    
Manufacturing                         Quarterly establishments  365703                    139265                    62539                     55531                     53217                     25598                     19498                     6468                      2432                      1155                      
Manufacturing                         March employment          14154939                  241424                    419954                    763046                    1655600                   1792309                   2996843                   2232678                   1644836                   2408249                   
Trade, transportation, and utilities  Quarterly establishments  1857536                   986399                    378634                    243020                    154658                    53059                     32572                     6921                      1746                      527                       
Trade, transportation, and utilities  March employment          25178580                  1648596                   2519528                   3253554                   4670426                   3660431                   4845270                   2356307                   1132759                   1091709                   
Information                           Quarterly establishments  141249                    80206                     20516                     16131                     13347                     5569                      3553                      1153                      518                       256                       
Information                           March employment          3044649                   111997                    136803                    220670                    410443                    384425                    539896                    393212                    352742                    494461                    
Financial activities                  Quarterly establishments  801843                    514145                    145932                    80803                     39849                     11798                     6105                      1872                      884                       455                       
Financial activities                  March employment          7920659                   838192                    961226                    1069124                   1186061                   805249                    917119                    647897                    614198                    881593                    
Professional and business services    Quarterly establishments  1352317                   914425                    186219                    116874                    77281                     29848                     19141                     5588                      2075                      866                       
Professional and business services    March employment          16461563                  1277785                   1223193                   1575508                   2339310                   2069104                   2908692                   1909120                   1412210                   1746641                   
Education and health services         Quarterly establishments  758591                    356913                    171672                    109414                    69888                     25217                     17969                     3985                      1810                      1723                      
Education and health services         March employment          16369857                  659950                    1139990                   1470423                   2099073                   1757066                   2693346                   1355658                   1260059                   3934292                   
Leisure and hospitality               Quarterly establishments  683022                    265161                    115748                    124094                    128070                    37122                     10332                     1563                      624                       308                       
Leisure and hospitality               March employment          12325005                  421191                    780979                    1739011                   3861338                   2485398                   1460338                   528449                    422549                    625752                    
Other services                        Quarterly establishments  1097218                   889756                    117854                    56303                     24642                     5518                      2603                      429                       95                        18                        
Other services                        March employment          4284985                   1069170                   769066                    741466                    715321                    375264                    380117                    143056                    62317                     29208