Company Index Stats
How many Environmental Consulting companies are in the United States?
There are 45,419 Environmental Consulting companies in the United States as of October 2026, 23.3% of all Environmental Services companies in the country. The top 3 states, California (6,474), Texas (3,623), Florida (3,550), hold 30% of them.
Only companies with a resolvable US state are counted. A company can carry several sub-industry labels, so counts overlap.
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Build this list →Largest state
California
6,474 Environmental Consulting companies
Share of Environmental Services
23.3%
of Environmental Services companies in United States
By State
How many Environmental Consulting companies are in each state
All 50 states with at least one counted company, ranked by count. Share is of the US total on this page.
| # | State | Companies | Share | |
|---|---|---|---|---|
| 1 | California | 6,474 | 14.3% | |
| 2 | Texas | 3,623 | 8.0% | |
| 3 | Florida | 3,550 | 7.8% | |
| 4 | New York | 3,123 | 6.9% | |
| 5 | Colorado | 1,714 | 3.8% | |
| 6 | New Jersey | 1,667 | 3.7% | |
| 7 | Pennsylvania | 1,582 | 3.5% | |
| 8 | Illinois | 1,429 | 3.1% | |
| 9 | North Carolina | 1,326 | 2.9% | |
| 10 | Ohio | 1,314 | 2.9% | |
| 11 | Massachusetts | 1,295 | 2.9% | |
| 12 | Washington | 1,258 | 2.8% | |
| 13 | Georgia | 1,227 | 2.7% | |
| 14 | Michigan | 1,127 | 2.5% | |
| 15 | Virginia | 981 | 2.2% | |
| 16 | Oregon | 924 | 2.0% | |
| 17 | Maryland | 823 | 1.8% | |
| 18 | Arizona | 817 | 1.8% | |
| 19 | Indiana | 708 | 1.6% | |
| 20 | Tennessee | 629 | 1.4% | |
| 21 | Wisconsin | 627 | 1.4% | |
| 22 | Minnesota | 618 | 1.4% | |
| 23 | South Carolina | 605 | 1.3% | |
| 24 | Louisiana | 603 | 1.3% | |
| 25 | Missouri | 502 | 1.1% | |
| 26 | District of Columbia | 476 | 1.0% | |
| 27 | Utah | 475 | 1.0% | |
| 28 | Connecticut | 438 | 1.0% | |
| 29 | Alabama | 409 | 0.9% | |
| 30 | Nevada | 385 | 0.8% | |
| 31 | Iowa | 371 | 0.8% | |
| 32 | Oklahoma | 358 | 0.8% | |
| 33 | New Mexico | 331 | 0.7% | |
| 34 | Montana | 324 | 0.7% | |
| 35 | Maine | 310 | 0.7% | |
| 36 | Idaho | 308 | 0.7% | |
| 37 | Kentucky | 290 | 0.6% | |
| 38 | Hawaii | 253 | 0.6% | |
| 39 | New Hampshire | 233 | 0.5% | |
| 40 | Arkansas | 226 | 0.5% | |
| 41 | Alaska | 225 | 0.5% | |
| 42 | Kansas | 215 | 0.5% | |
| 43 | Wyoming | 191 | 0.4% | |
| 44 | Delaware | 188 | 0.4% | |
| 45 | Nebraska | 167 | 0.4% | |
| 46 | West Virginia | 161 | 0.4% | |
| 47 | Vermont | 158 | 0.3% | |
| 48 | Mississippi | 141 | 0.3% | |
| 49 | Rhode Island | 126 | 0.3% | |
| 50 | North Dakota | 114 | 0.3% |
By Company Size
How big US Environmental Consulting companies are
Headcount is known for 14,056 of them (31%). Size bands too small to report in a state are left out.
Other Environmental Services sub-industries in United States
Methodology
Aggregate counts from the DiscoLike index of 80M+ companies. Companies without a resolvable location are counted under 'unknown', and cells below the minimum count threshold are folded into an 'other' bucket. Industry and business-type categories overlap: a company carrying several labels is counted in each.
Updated monthly. Current snapshot: October 2026. See the full Company Index Stats.
Cite this data
These figures are free to quote, republish, and build on, including by AI assistants and search engines, under the Creative Commons Attribution 4.0 license. Credit DiscoLike and link back to this page.
DiscoLike, "Environmental Consulting companies in United States by state", Company Index Stats, October 2026. https://discolike.com/company-stats/environmental-services/united-states/environmental-consulting/
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