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| Electric Power Generation, Transmission and Distribution (2211  ) |  | National |  |  |  | Building and Grounds Cleaning and Maintenance Occupations |  
| Occupation | Occ. code | Estabs. reporting occupation | Est. empl. | Empl %RSE | Mean wage | Mean %RSE | Entry wage | Exp. wage | 25th pct | Median wage | 75th pct |  
| BUILDING AND GROUNDS CLEANING AND MAINTENANCE OCCUPATIONS | 37-0000 | * | 2,430 | 4.30 | $ 32,690 | 1.40 | * | * | $ 22,680 | $ 31,380 | $ 41,840 |  | hourly |  |  |   | $ 15.71 |   | * | * | $ 10.91 | $ 15.08 | $ 20.12 |  
| First-Line Supervisors/Managers of Landscaping, Lawn Service, and Groundskeeping Workers | 37-1012 | * | 50 | 8.20 | $ 52,930 | 4.10 | * | * | $ 40,550 | $ 52,020 | $ 62,090 |  | hourly |  |  |   | $ 25.45 |   | * | * | $ 19.49 | $ 25.01 | $ 29.85 |  
| Janitors and Cleaners, Except Maids and Housekeeping Cleaners | 37-2011 | * | 1,240 | 5.10 | $ 26,740 | 1.60 | * | * | $ 19,220 | $ 25,140 | $ 32,710 |  | hourly |  |  |   | $ 12.85 |   | * | * | $  9.24 | $ 12.09 | $ 15.73 |  
| Landscaping and Groundskeeping Workers | 37-3011 | * | 460 | 9.40 | $ 39,730 | 2.50 | * | * | $ 32,490 | $ 42,380 | $ 48,480 |  | hourly |  |  |   | $ 19.10 |   | * | * | $ 15.62 | $ 20.38 | $ 23.31 |  
| Tree Trimmers and Pruners | 37-3013 | * | 620 | 9.60 | $ 37,210 | 2.20 | * | * | $ 29,530 | $ 36,560 | $ 44,800 |  | hourly |  |  |   | $ 17.89 |   | * | * | $ 14.20 | $ 17.58 | $ 21.54 |  |