| Tree service companies, California | 4,244 | 1,416 | 33% |
| Tree service companies, Texas | 3,475 | 1,131 | 33% |
| Tree service companies, Florida | 3,399 | 1,110 | 33% |
| Tree service companies, Georgia | 1,749 | 535 | 31% |
| Tree service companies, North Carolina | 1,738 | 591 | 34% |
| Tree service companies, Ohio | 1,643 | 629 | 38% |
| Tree service companies, Michigan | 1,452 | 463 | 32% |
| Tree service companies, New York | 1,433 | 442 | 31% |
| Tree service companies, Illinois | 1,400 | 486 | 35% |
| Tree service companies, Pennsylvania | 1,281 | 338 | 26% |
| Tree service companies, Tennessee | 1,155 | 370 | 32% |
| Tree service companies, Virginia | 1,120 | 275 | 25% |
| Tree service companies, Indiana | 1,059 | 380 | 36% |
| Tree service companies, Wisconsin | 1,055 | 316 | 30% |
| Tree service companies, Washington | 1,045 | 223 | 21% |
| Tree service companies, Massachusetts | 1,037 | 246 | 24% |
| Tree service companies, South Carolina | 983 | 314 | 32% |
| Tree service companies, Missouri | 884 | 292 | 33% |
| Tree service companies, Minnesota | 879 | 189 | 22% |
| Tree service companies, Alabama | 865 | 315 | 36% |
| Tree service companies, Colorado | 830 | 212 | 26% |
| Tree service companies, New Jersey | 810 | 218 | 27% |
| Tree service companies, Connecticut | 749 | 222 | 30% |
| Tree service companies, Oregon | 729 | 170 | 23% |
| Tree service companies, Arizona | 612 | 191 | 31% |
| Tree service companies, Oklahoma | 587 | 220 | 37% |
| Tree service companies, Iowa | 562 | 235 | 42% |
| Tree service companies, Louisiana | 560 | 196 | 35% |
| Tree service companies, Arkansas | 542 | 226 | 42% |
| Tree service companies, Kentucky | 505 | 215 | 43% |
| Tree service companies, Utah | 473 | 132 | 28% |
| Tree service companies, Maryland | 392 | 49 | 12% |
| Tree service companies, Kansas | 388 | 135 | 35% |
| Tree service companies, Idaho | 386 | 107 | 28% |
| Tree service companies, Mississippi | 362 | 162 | 45% |
| Tree service companies, Nebraska | 284 | 94 | 33% |
| Tree service companies, Montana | 283 | 82 | 29% |
| Tree service companies, Maine | 260 | 59 | 23% |
| Tree service companies, New Mexico | 239 | 114 | 48% |
| Tree service companies, New Hampshire | 228 | 50 | 22% |
| Tree service companies, Nevada | 193 | 54 | 28% |
| Tree service companies, West Virginia | 156 | 56 | 36% |
| Tree service companies, South Dakota | 137 | 57 | 42% |
| Tree service companies, Rhode Island | 134 | 36 | 27% |
| Tree service companies, Delaware | 115 | 28 | 24% |
| Tree service companies, Alaska | 96 | 34 | 35% |
| Tree service companies, Wyoming | 90 | 39 | 43% |
| Tree service companies, Hawaii | 79 | 19 | 24% |
| Tree service companies, North Dakota | 76 | 32 | 42% |
| Tree service companies, Vermont | 71 | 13 | 18% |
| Law firms, California | 1,399 | 41 | 3% |
| Law firms, Texas | 1,048 | 34 | 3% |
| Law firms, Florida | 449 | 6 | 1% |
| Law firms, Arizona | 329 | 5 | 2% |
| Law firms, Colorado | 313 | 7 | 2% |
| Law firms, Oklahoma | 273 | 6 | 2% |
| Law firms, North Carolina | 267 | 5 | 2% |
| Law firms, Tennessee | 249 | 8 | 3% |
| Law firms, Missouri | 246 | 3 | 1% |
| Law firms, Ohio | 243 | 9 | 4% |
| Law firms, Oregon | 178 | 3 | 2% |
| Law firms, Michigan | 159 | 5 | 3% |
| Law firms, Washington | 158 | 1 | 1% |
| Law firms, New Mexico | 152 | 5 | 3% |
| Law firms, Hawaii | 140 | 17 | 12% |
| Law firms, Minnesota | 137 | 0 | 0% |
| Law firms, Nebraska | 136 | 1 | 1% |
| Law firms, Georgia | 135 | 0 | 0% |
| Law firms, Kentucky | 135 | 4 | 3% |
| Law firms, Nevada | 132 | 1 | 1% |
| Law firms, Pennsylvania | 132 | 2 | 2% |
| Law firms, Wisconsin | 130 | 1 | 1% |
| Law firms, District of Columbia | 128 | 2 | 2% |
| Law firms, Massachusetts | 128 | 4 | 3% |
| Law firms, Maryland | 125 | 1 | 1% |
| Law firms, Indiana | 122 | 0 | 0% |
| Law firms, Kansas | 118 | 9 | 8% |
| Law firms, Illinois | 117 | 4 | 3% |
| Law firms, Virginia | 95 | 0 | 0% |
| Law firms, Louisiana | 81 | 0 | 0% |
| Law firms, New York | 78 | 0 | 0% |
| Cleaning companies, California | 1,081 | 189 | 17% |
| Cleaning companies, Texas | 718 | 87 | 12% |
| Cleaning companies, Arizona | 281 | 21 | 7% |
| Cleaning companies, Florida | 257 | 14 | 5% |
| Cleaning companies, Colorado | 246 | 25 | 10% |
| Cleaning companies, North Carolina | 196 | 9 | 5% |
| Cleaning companies, Oklahoma | 181 | 24 | 13% |
| Cleaning companies, Tennessee | 177 | 19 | 11% |
| Cleaning companies, Missouri | 166 | 17 | 10% |
| Cleaning companies, Ohio | 154 | 10 | 6% |
| Cleaning companies, Illinois | 123 | 7 | 6% |
| Cleaning companies, Nevada | 113 | 8 | 7% |
| Cleaning companies, Oregon | 112 | 7 | 6% |
| Cleaning companies, Massachusetts | 110 | 13 | 12% |
| Cleaning companies, Indiana | 105 | 10 | 10% |
| Cleaning companies, New York | 103 | 4 | 4% |
| Cleaning companies, Minnesota | 102 | 16 | 16% |
| Cleaning companies, Georgia | 100 | 2 | 2% |
| Cleaning companies, Michigan | 99 | 17 | 17% |
| Cleaning companies, Wisconsin | 98 | 14 | 14% |
| Cleaning companies, Kansas | 94 | 11 | 12% |
| Cleaning companies, Virginia | 94 | 12 | 13% |
| Cleaning companies, Washington | 90 | 1 | 1% |
| Cleaning companies, Nebraska | 86 | 5 | 6% |
| Cleaning companies, New Mexico | 84 | 26 | 31% |
| Cleaning companies, Kentucky | 79 | 12 | 15% |
| Cleaning companies, Hawaii | 70 | 10 | 14% |
| Cleaning companies, Louisiana | 69 | 12 | 17% |
| Cleaning companies, Maryland | 66 | 4 | 6% |
| Cleaning companies, Pennsylvania | 66 | 3 | 5% |
| Cleaning companies, District of Columbia | 64 | 6 | 9% |
| HVAC contractors, California | 584 | 149 | 26% |
| HVAC contractors, Texas | 527 | 42 | 8% |
| HVAC contractors, Florida | 306 | 14 | 5% |
| HVAC contractors, Ohio | 237 | 46 | 19% |
| HVAC contractors, Arizona | 210 | 9 | 4% |
| HVAC contractors, Tennessee | 197 | 26 | 13% |
| HVAC contractors, Colorado | 190 | 18 | 9% |
| HVAC contractors, South Carolina | 185 | 14 | 8% |
| HVAC contractors, North Carolina | 159 | 13 | 8% |
| HVAC contractors, New York | 144 | 13 | 9% |
| HVAC contractors, Michigan | 142 | 39 | 27% |
| HVAC contractors, Pennsylvania | 136 | 21 | 15% |
| HVAC contractors, Washington | 135 | 35 | 26% |
| HVAC contractors, Louisiana | 117 | 16 | 14% |
| HVAC contractors, Wisconsin | 116 | 18 | 16% |
| HVAC contractors, Virginia | 112 | 14 | 12% |
| HVAC contractors, Kentucky | 109 | 11 | 10% |
| HVAC contractors, Minnesota | 105 | 50 | 48% |
| HVAC contractors, Oklahoma | 97 | 12 | 12% |
| HVAC contractors, Missouri | 87 | 18 | 21% |
| HVAC contractors, Georgia | 85 | 18 | 21% |
| HVAC contractors, Oregon | 77 | 5 | 6% |
| HVAC contractors, Massachusetts | 74 | 15 | 20% |
| HVAC contractors, Maryland | 73 | 14 | 19% |
| HVAC contractors, Illinois | 72 | 12 | 17% |
| HVAC contractors, Idaho | 71 | 4 | 6% |
| HVAC contractors, Utah | 67 | 5 | 7% |
| HVAC contractors, Connecticut | 66 | 13 | 20% |
| HVAC contractors, Iowa | 64 | 23 | 36% |
| HVAC contractors, Alabama | 63 | 7 | 11% |
| HVAC contractors, Rhode Island | 62 | 21 | 34% |
| HVAC contractors, Arkansas | 61 | 5 | 8% |
| HVAC contractors, Nevada | 60 | 1 | 2% |
| HVAC contractors, Kansas | 59 | 3 | 5% |
| HVAC contractors, Mississippi | 57 | 9 | 16% |
| HVAC contractors, Indiana | 53 | 4 | 8% |
| Plumbers, California | 758 | 63 | 8% |
| Plumbers, Texas | 575 | 78 | 14% |
| Plumbers, Ohio | 254 | 33 | 13% |
| Plumbers, Florida | 211 | 15 | 7% |
| Plumbers, Colorado | 195 | 11 | 6% |
| Plumbers, Arizona | 190 | 16 | 8% |
| Plumbers, North Carolina | 173 | 17 | 10% |
| Plumbers, Pennsylvania | 150 | 22 | 15% |
| Plumbers, Minnesota | 137 | 13 | 9% |
| Plumbers, Oklahoma | 128 | 22 | 17% |
| Plumbers, Tennessee | 126 | 13 | 10% |
| Plumbers, Missouri | 124 | 25 | 20% |
| Plumbers, Kentucky | 108 | 10 | 9% |
| Plumbers, New York | 87 | 13 | 15% |
| Plumbers, Nevada | 85 | 2 | 2% |
| Plumbers, Indiana | 81 | 5 | 6% |
| Plumbers, New Jersey | 81 | 9 | 11% |
| Plumbers, Maryland | 79 | 8 | 10% |
| Plumbers, Virginia | 79 | 4 | 5% |
| Plumbers, Washington | 78 | 4 | 5% |
| Plumbers, Massachusetts | 74 | 4 | 5% |
| Plumbers, Georgia | 72 | 5 | 7% |
| Plumbers, Illinois | 69 | 6 | 9% |
| Plumbers, Kansas | 68 | 10 | 15% |
| Plumbers, Oregon | 66 | 4 | 6% |
| Plumbers, Michigan | 65 | 16 | 25% |
| Plumbers, Wisconsin | 63 | 7 | 11% |
| Plumbers, Nebraska | 59 | 11 | 19% |
| Plumbers, Louisiana | 53 | 7 | 13% |
| Plumbers, New Mexico | 53 | 2 | 4% |
| Plumbers, Alaska | 52 | 11 | 21% |
| Dentists, California | 930 | 85 | 9% |
| Dentists, Texas | 710 | 31 | 4% |
| Dentists, Ohio | 289 | 18 | 6% |
| Dentists, Colorado | 237 | 9 | 4% |
| Dentists, North Carolina | 215 | 8 | 4% |
| Dentists, Arizona | 213 | 3 | 1% |
| Dentists, Florida | 205 | 10 | 5% |
| Dentists, Tennessee | 154 | 13 | 8% |
| Dentists, Kentucky | 145 | 7 | 5% |
| Dentists, Pennsylvania | 145 | 14 | 10% |
| Dentists, Oklahoma | 140 | 6 | 4% |
| Dentists, Missouri | 136 | 6 | 4% |
| Dentists, Minnesota | 126 | 3 | 2% |
| Dentists, New York | 100 | 4 | 4% |
| Dentists, Indiana | 97 | 5 | 5% |
| Dentists, Georgia | 92 | 8 | 9% |
| Dentists, Illinois | 84 | 1 | 1% |
| Dentists, Oregon | 84 | 7 | 8% |
| Dentists, Kansas | 79 | 2 | 3% |
| Dentists, District of Columbia | 77 | 2 | 3% |
| Dentists, Wisconsin | 77 | 4 | 5% |
| Dentists, Nevada | 75 | 5 | 7% |
| Dentists, Massachusetts | 74 | 6 | 8% |
| Dentists, Louisiana | 70 | 6 | 9% |
| Dentists, Washington | 69 | 2 | 3% |
| Dentists, Michigan | 66 | 12 | 18% |
| Dentists, New Mexico | 66 | 1 | 2% |
| Dentists, Virginia | 61 | 1 | 2% |
| Dentists, New Jersey | 60 | 8 | 13% |
| Dentists, Maryland | 59 | 4 | 7% |
| Dentists, Nebraska | 57 | 0 | 0% |
| Dentists, Hawaii | 55 | 2 | 4% |
| Roofing contractors, California | 842 | 181 | 21% |
| Roofing contractors, Texas | 699 | 36 | 5% |
| Roofing contractors, Ohio | 278 | 18 | 6% |
| Roofing contractors, Florida | 253 | 16 | 6% |
| Roofing contractors, Arizona | 197 | 8 | 4% |
| Roofing contractors, Colorado | 194 | 12 | 6% |
| Roofing contractors, North Carolina | 185 | 6 | 3% |
| Roofing contractors, Oklahoma | 150 | 3 | 2% |
| Roofing contractors, Minnesota | 140 | 10 | 7% |
| Roofing contractors, Missouri | 129 | 3 | 2% |
| Roofing contractors, New York | 129 | 13 | 10% |
| Roofing contractors, Tennessee | 126 | 2 | 2% |
| Roofing contractors, Kentucky | 121 | 2 | 2% |
| Roofing contractors, Maryland | 83 | 6 | 7% |
| Roofing contractors, Kansas | 81 | 5 | 6% |
| Roofing contractors, Indiana | 78 | 5 | 6% |
| Roofing contractors, Illinois | 76 | 7 | 9% |
| Roofing contractors, New Jersey | 76 | 13 | 17% |
| Roofing contractors, Massachusetts | 75 | 7 | 9% |
| Roofing contractors, Nevada | 74 | 10 | 14% |
| Roofing contractors, Pennsylvania | 74 | 3 | 4% |
| Roofing contractors, Washington | 74 | 12 | 16% |
| Roofing contractors, Nebraska | 72 | 0 | 0% |
| Roofing contractors, Michigan | 71 | 9 | 13% |
| Roofing contractors, Georgia | 68 | 4 | 6% |
| Roofing contractors, Louisiana | 68 | 5 | 7% |
| Roofing contractors, Oregon | 65 | 2 | 3% |
| Roofing contractors, Virginia | 64 | 3 | 5% |
| Roofing contractors, Wisconsin | 64 | 4 | 6% |
| Roofing contractors, New Mexico | 59 | 4 | 7% |
| Roofing contractors, Alaska | 58 | 10 | 17% |
| Roofing contractors, Hawaii | 52 | 9 | 17% |
| Insulation contractors, California | 407 | 93 | 23% |
| Insulation contractors, Texas | 356 | 50 | 14% |
| Insulation contractors, Florida | 232 | 41 | 18% |
| Insulation contractors, Ohio | 151 | 22 | 15% |
| Insulation contractors, Tennessee | 127 | 19 | 15% |
| Insulation contractors, South Carolina | 124 | 18 | 15% |
| Insulation contractors, New York | 119 | 27 | 23% |
| Insulation contractors, Virginia | 116 | 28 | 24% |
| Insulation contractors, Michigan | 112 | 18 | 16% |
| Insulation contractors, North Carolina | 112 | 17 | 15% |
| Insulation contractors, Arizona | 107 | 18 | 17% |
| Insulation contractors, Pennsylvania | 100 | 27 | 27% |
| Insulation contractors, Colorado | 99 | 12 | 12% |
| Insulation contractors, Massachusetts | 97 | 15 | 15% |
| Insulation contractors, Washington | 95 | 24 | 25% |
| Insulation contractors, Wisconsin | 94 | 8 | 9% |
| Insulation contractors, Oklahoma | 90 | 26 | 29% |
| Insulation contractors, Illinois | 85 | 17 | 20% |
| Insulation contractors, Kentucky | 85 | 21 | 25% |
| Insulation contractors, Louisiana | 84 | 25 | 30% |
| Insulation contractors, Georgia | 82 | 12 | 15% |
| Insulation contractors, Minnesota | 76 | 26 | 34% |
| Insulation contractors, Missouri | 71 | 7 | 10% |
| Insulation contractors, Connecticut | 69 | 12 | 17% |
| Insulation contractors, Utah | 64 | 12 | 19% |
| Insulation contractors, Indiana | 62 | 13 | 21% |
| Insulation contractors, Maryland | 59 | 10 | 17% |
| Pest control companies, California | 663 | 65 | 10% |
| Pest control companies, Texas | 461 | 42 | 9% |
| Pest control companies, Florida | 202 | 18 | 9% |
| Pest control companies, Arizona | 186 | 5 | 3% |
| Pest control companies, North Carolina | 143 | 8 | 6% |
| Pest control companies, Ohio | 138 | 12 | 9% |
| Pest control companies, Tennessee | 126 | 15 | 12% |
| Pest control companies, Colorado | 118 | 12 | 10% |
| Pest control companies, Oklahoma | 118 | 14 | 12% |
| Pest control companies, Missouri | 88 | 6 | 7% |
| Pest control companies, Georgia | 87 | 10 | 11% |
| Pest control companies, New York | 85 | 9 | 11% |
| Pest control companies, Washington | 81 | 4 | 5% |
| Pest control companies, Illinois | 78 | 7 | 9% |
| Pest control companies, Indiana | 75 | 7 | 9% |
| Pest control companies, Maryland | 72 | 2 | 3% |
| Pest control companies, Virginia | 66 | 7 | 11% |
| Pest control companies, Kansas | 65 | 7 | 11% |
| Pest control companies, Pennsylvania | 62 | 17 | 27% |
| Pest control companies, Minnesota | 61 | 6 | 10% |
| Pest control companies, Nevada | 60 | 1 | 2% |
| Pest control companies, Massachusetts | 59 | 1 | 2% |
| Pest control companies, Wisconsin | 58 | 9 | 16% |
| Pest control companies, Nebraska | 55 | 4 | 7% |
| Pest control companies, Louisiana | 52 | 12 | 23% |
| Pest control companies, Oregon | 52 | 3 | 6% |
| Electricians, California | 632 | 160 | 25% |
| Electricians, Texas | 469 | 108 | 23% |
| Electricians, Ohio | 197 | 34 | 17% |
| Electricians, North Carolina | 155 | 21 | 14% |
| Electricians, Arizona | 142 | 22 | 15% |
| Electricians, Florida | 129 | 17 | 13% |
| Electricians, Colorado | 128 | 11 | 9% |
| Electricians, Pennsylvania | 116 | 24 | 21% |
| Electricians, Oklahoma | 98 | 12 | 12% |
| Electricians, Tennessee | 96 | 16 | 17% |
| Electricians, Kentucky | 95 | 19 | 20% |
| Electricians, Missouri | 89 | 8 | 9% |
| Electricians, New York | 79 | 13 | 16% |
| Electricians, Maryland | 71 | 8 | 11% |
| Electricians, Minnesota | 71 | 15 | 21% |
| Electricians, Oregon | 67 | 8 | 12% |
| Electricians, Kansas | 64 | 8 | 12% |
| Electricians, Massachusetts | 60 | 17 | 28% |
| Electricians, New Mexico | 60 | 14 | 23% |
| Electricians, Virginia | 60 | 13 | 22% |
| Electricians, Washington | 59 | 13 | 22% |
| Electricians, Indiana | 56 | 9 | 16% |
| Electricians, Michigan | 56 | 9 | 16% |
| Electricians, Illinois | 55 | 12 | 22% |
| Electricians, Nevada | 53 | 7 | 13% |
| Electricians, Wisconsin | 53 | 11 | 21% |
| Electricians, Alaska | 52 | 18 | 35% |
| Electricians, Georgia | 52 | 5 | 10% |
| Electricians, Nebraska | 52 | 9 | 17% |
| Electricians, New Jersey | 50 | 14 | 28% |
| Chiropractors, California | 681 | 55 | 8% |
| Chiropractors, Texas | 517 | 21 | 4% |
| Chiropractors, Arizona | 199 | 9 | 5% |
| Chiropractors, Florida | 173 | 4 | 2% |
| Chiropractors, Colorado | 168 | 7 | 4% |
| Chiropractors, Missouri | 157 | 8 | 5% |
| Chiropractors, North Carolina | 153 | 0 | 0% |
| Chiropractors, Ohio | 129 | 2 | 2% |
| Chiropractors, Oklahoma | 114 | 3 | 3% |
| Chiropractors, Tennessee | 104 | 2 | 2% |
| Chiropractors, Georgia | 81 | 0 | 0% |
| Chiropractors, Kansas | 78 | 6 | 8% |
| Chiropractors, New York | 78 | 3 | 4% |
| Chiropractors, Michigan | 73 | 6 | 8% |
| Chiropractors, Nevada | 67 | 2 | 3% |
| Chiropractors, Illinois | 66 | 1 | 2% |
| Chiropractors, Virginia | 63 | 2 | 3% |
| Chiropractors, Washington | 63 | 0 | 0% |
| Chiropractors, Maryland | 60 | 3 | 5% |
| Chiropractors, Indiana | 59 | 3 | 5% |
| Chiropractors, Hawaii | 58 | 11 | 19% |
| Chiropractors, Pennsylvania | 57 | 10 | 18% |
| Chiropractors, Louisiana | 55 | 6 | 11% |
| Chiropractors, Wisconsin | 55 | 4 | 7% |
| Chiropractors, Kentucky | 53 | 3 | 6% |
| Chiropractors, Oregon | 52 | 2 | 4% |
| Med spas, California | 633 | 25 | 4% |
| Med spas, Texas | 519 | 12 | 2% |
| Med spas, Florida | 204 | 6 | 3% |
| Med spas, Ohio | 192 | 3 | 2% |
| Med spas, Arizona | 184 | 5 | 3% |
| Med spas, Colorado | 156 | 1 | 1% |
| Med spas, North Carolina | 147 | 2 | 1% |
| Med spas, Pennsylvania | 111 | 1 | 1% |
| Med spas, Kentucky | 105 | 4 | 4% |
| Med spas, Oklahoma | 104 | 3 | 3% |
| Med spas, Tennessee | 99 | 1 | 1% |
| Med spas, Missouri | 88 | 2 | 2% |
| Med spas, Minnesota | 87 | 2 | 2% |
| Med spas, New York | 74 | 0 | 0% |
| Med spas, Nevada | 64 | 1 | 2% |
| Med spas, Georgia | 63 | 1 | 2% |
| Med spas, Massachusetts | 61 | 0 | 0% |
| Med spas, Hawaii | 59 | 1 | 2% |
| Med spas, Oregon | 58 | 0 | 0% |
| Med spas, Indiana | 56 | 0 | 0% |
| Med spas, Kansas | 56 | 1 | 2% |
| Med spas, Maryland | 55 | 3 | 5% |
| Med spas, Wisconsin | 55 | 3 | 5% |
| Med spas, Michigan | 54 | 4 | 7% |