Appendix table 2. Number of workers(1) represented, private industry, National Compensation Survey, 2010 Estimated Occupational group(2) number of workers All workers............................. 99,935,800 Management, professional, and related 24,818,600 Management, business, and financial 8,450,700 Professional and related............ 16,367,900 Service............................... 21,610,500 Protective service.................. 1,259,800 Sales and office...................... 28,779,500 Sales and related................... 11,175,000 Office and administrative support... 17,604,500 Natural resources, construction, and maintenance........................... 7,545,400 Construction, extraction, farming, fishing, and forestry............... 3,549,600 Installation, maintenance, and repair.............................. 3,995,900 Production, transportation, and material moving....................... 17,181,800 Production.......................... 8,334,300 Transportation and material moving.. 8,847,600 1 The number of workers represented by the survey are rounded to the nearest 100. Estimates of the number of workers provide a description of the size and composition of the labor force included in the survey. Estimates are not intended, however, for comparison to other statistical series to measure employment trends or levels. 2 The 2000 Standard Occupational Classification system is used to classify workers.