Company lists · Data refreshed September 2026
Top 25 Permitting consulting firms based in the United States
RevenueBase identified 1,036 company matches for permitting consulting firms associated with the United States as of September 2026 and tracks 14,738 professional contacts across them, including 7,822 with verified work emails. New York is the largest hub.
This list covers company matches for permitting consulting firms associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest permitting consulting firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,088 contacts → | ||||
Exact match “Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 732 contacts → | ||||
Exact match “ESA is a 100% employee-owned environmental consulting firm.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 479 contacts → | ||||
Exact match “Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 438 contacts → | ||||
Exact match “Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 305 contacts → | ||||
Exact match “Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 293 contacts → | ||||
Exact match “Full Service Land Development and Consulting Dynamic Engineering Consultants, PC provides comprehensive Professional Engineering and related services to the Land Development…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 221 contacts → | ||||
Exact match “Interwest specializes in providing professional and consulting services to public agencies across California, Nevada, Colorado, and beyond.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 183 contacts → | ||||
Exact match “WRA is an environmental consultancy that’s making a net positive impact.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 166 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 165 contacts → | ||||
Exact match “WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 155 contacts → | ||||
Exact match “For 40 years, the consulting engineers at HRP have worked together with our clients to assure that they reach their intended business goals and achieve the right solutions to…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 151 contacts → | ||||
Exact match “Established in 1962, DuBois & King is a multidisciplined consulting engineering firm with extensive experience providing planning, permitting, and technical design services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 144 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 135 contacts → | ||||
Exact match “EnviroTrac Ltd.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 126 contacts → | ||||
Exact match “America's #1 Stormwater Consultants Earthworks Environmental, LLC provides top of the line storm water pollution prevention (SWPP/NPDES), erosion control and dust control…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 116 contacts → | ||||
Exact match “Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 104 contacts → | ||||
Exact match “Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 103 contacts → | ||||
Exact match “Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 101 contacts → | ||||
Exact match “Consulting, Inc.(3e) is a dynamic and progressive certified small business that specializes in environmental studies, environmental engineering, environmental education, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 99 contacts → | ||||
Exact match “Straughan Environmental provides high quality & sustainable environmental planning, permitting and design services to government (federal, state, and municipal) and commercial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 98 contacts → | ||||
Exact match “Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 96 contacts → | ||||
Exact match “We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 92 contacts → | ||||
Exact match “Since 1991, ETIC has been providing clients with environmental and civil consulting, engineering, and construction services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 88 contacts → | ||||
Exact match “Incorporated in 1994, Edwards-Pitman Environmental, Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 87 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “permitting consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,036 permitting consulting firms based in the United States
See the full list, filter by size, metro and specialty, and access 7,822 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Permitting consulting firms based in the United States at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,036 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “permitting consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 7,822 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Permitting consulting firms by metro
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “permitting consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many permitting consulting firms are there based in the United States?
RevenueBase identified 1,036 company matches for permitting consulting firms associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Barr Engineering CO tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most permitting consulting firms?
New York leads with 40 company records, followed by Houston (32) and Tampa (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 7,822 professional contacts with verified work emails tracked across these 1,036 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,036 permitting consulting firms based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Permitting consulting firms by geography
- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States
- Permitting consulting firms based in Australia
- Permitting consulting firms based in Brazil
- Permitting consulting firms based in Canada
- Permitting consulting firms based in Chile
- Permitting consulting firms based in France
- Permitting consulting firms based in Germany
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States
Company intelligence · public preview
Top 25 permitting consulting firms based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,036 matching company records for permitting consulting firms based in the United States, with 14,738 tracked contacts and 7,822 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 permitting consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Barr Engineering CObarr.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Environmental Science Associatesesassoc.comHQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 732 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rincon Consultantsrinconconsultants.comHQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Cherry Hill, NJ, United StatesReported employees: 501-1,000 | Cherry Hill, NJ, United States | 501-1,000 | Exact match | 438 contacts → |
“Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 305 contacts → |
“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Dynamic Engineering Consultants, PCdynamicec.comHQ: Lake Como, NJ, United StatesReported employees: 201-500 | Lake Como, NJ, United States | 201-500 | Exact match | 293 contacts → |
“Full Service Land Development and Consulting Dynamic Engineering Consultants, PC provides comprehensive Professional Engineering and related services to the Land Development…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Interwest Consulting Groupinterwestgrp.comHQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 221 contacts → |
“Interwest specializes in providing professional and consulting services to public agencies across California, Nevada, Colorado, and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Wra, INCwra-ca.comHQ: San Rafael, CA, United StatesReported employees: 51-200 | San Rafael, CA, United States | 51-200 | Exact match | 183 contacts → |
“WRA is an environmental consultancy that’s making a net positive impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Ecorp Consulting, INCecorpconsulting.comHQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 166 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Westland, A Trinity Consultants Teamwestlandresources.comHQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 165 contacts → |
“WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  HRP Associates, INChrpassociates.comHQ: Farmington, CT, United StatesReported employees: 51-200 | Farmington, CT, United States | 51-200 | Exact match | 155 contacts → |
“For 40 years, the consulting engineers at HRP have worked together with our clients to assure that they reach their intended business goals and achieve the right solutions to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Dubois & King, INCdubois-king.comHQ: Randolph, VT, United StatesReported employees: 51-200 | Randolph, VT, United States | 51-200 | Exact match | 151 contacts → |
“Established in 1962, DuBois & King is a multidisciplined consulting engineering firm with extensive experience providing planning, permitting, and technical design services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | VN Engineers, INCvnengineers.com HQ: North Haven, CT, United StatesReported employees: 51-200 | North Haven, CT, United States | 51-200 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Envirotrac LLCenvirotrac.com HQ: Yaphank, NY, United StatesReported employees: 51-200 | Yaphank, NY, United States | 51-200 | Exact match | 135 contacts → |
“EnviroTrac Ltd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Earthworks Environmental, LLCearthworksenv.comHQ: Phoenix, FL, United StatesReported employees: 51-200 | Phoenix, FL, United States | 51-200 | Exact match | 126 contacts → |
“America's #1 Stormwater Consultants Earthworks Environmental, LLC provides top of the line storm water pollution prevention (SWPP/NPDES), erosion control and dust control…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Edge Engineering And Science, LLCedge-es.comHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 116 contacts → |
“Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Techlawtechlawinc.comHQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Hart & Hickman, PCharthickman.comHQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 103 contacts → |
“Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  EEE Consulting, Inc. 3eeee-consulting.comHQ: Mechanicsville, VA, United StatesReported employees: 11-50 | Mechanicsville, VA, United States | 11-50 | Exact match | 101 contacts → |
“Consulting, Inc.(3e) is a dynamic and progressive certified small business that specializes in environmental studies, environmental engineering, environmental education, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Straughan Environmental, INCstraughanenvironmental.comHQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 99 contacts → |
“Straughan Environmental provides high quality & sustainable environmental planning, permitting and design services to government (federal, state, and municipal) and commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Chambers Group, INCchambersgroupinc.comHQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 98 contacts → |
“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AKT Peerlessaktpeerless.comHQ: Saginaw, MI, United StatesReported employees: 51-200 | Saginaw, MI, United States | 51-200 | Exact match | 96 contacts → |
“We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ETICeticeng.com HQ: Pleasant Hill, CA, United StatesReported employees: 51-200 | Pleasant Hill, CA, United States | 51-200 | Exact match | 92 contacts → |
“Since 1991, ETIC has been providing clients with environmental and civil consulting, engineering, and construction services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Edwards-Pitman Environmental, INCedwards-pitman.comHQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 88 contacts → |
“Incorporated in 1994, Edwards-Pitman Environmental, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Epsilon Associates, INCepsilonassociates.com HQ: Maynard, MA, United StatesReported employees: 51-200 | Maynard, MA, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 1,036 company matches
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Permitting consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,034 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,036 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Permitting consulting firms by metro
Questions about this company list
What does Exact match mean for permitting consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many permitting consulting firms did RevenueBase find based in the United States?
The saved snapshot records 1,036 matching company records, 14,738 tracked contacts and 7,822 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Permitting consulting firms by geography
- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States
- Permitting consulting firms based in Australia
- Permitting consulting firms based in Brazil
- Permitting consulting firms based in Canada
- Permitting consulting firms based in Chile
- Permitting consulting firms based in France
- Permitting consulting firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 permitting consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/permitting-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States
Company intelligence · public preview
Top 25 permitting consulting firms based in the United States
RevenueBase records 1,036 matching company records for permitting consulting firms based in the United States, with 14,738 tracked contacts and 7,822 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 permitting consulting firms based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Barr Engineering CObarr.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,088 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Environmental Science Associatesesassoc.com HQ: San Francisco, CA, United StatesReported employees: 501-1,000 | San Francisco, CA, United States | 501-1,000 | Exact match | 732 contacts → |
“ESA is a 100% employee-owned environmental consulting firm.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rincon Consultantsrinconconsultants.com HQ: Ventura, CA, United StatesReported employees: 501-1,000 | Ventura, CA, United States | 501-1,000 | Exact match | 479 contacts → |
“Rincon Consultants is a multi-disciplinary environmental sciences, planning, and engineering consulting firm that provides quality professional services to government and industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Cherry Hill, NJ, United StatesReported employees: 501-1,000 | Cherry Hill, NJ, United States | 501-1,000 | Exact match | 438 contacts → |
“Founded in 1901, RVE has grown to be an industry leader with 500 team members in offices throughout New Jersey, Pennsylvania, Delaware, Maryland and North Carolina.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Gainesville, FL, United StatesReported employees: 201-500 | Gainesville, FL, United States | 201-500 | Exact match | 305 contacts → |
“Environmental Consulting & Technology, Inc.(ECT) is a multi-disciplinary environmental and sustainability consulting firm delivering strategy, permitting, design, and management…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Dynamic Engineering Consultants, PCdynamicec.com HQ: Lake Como, NJ, United StatesReported employees: 201-500 | Lake Como, NJ, United States | 201-500 | Exact match | 293 contacts → |
“Full Service Land Development and Consulting Dynamic Engineering Consultants, PC provides comprehensive Professional Engineering and related services to the Land Development…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Interwest Consulting Groupinterwestgrp.com HQ: Irvine, CA, United StatesReported employees: 201-500 | Irvine, CA, United States | 201-500 | Exact match | 221 contacts → |
“Interwest specializes in providing professional and consulting services to public agencies across California, Nevada, Colorado, and beyond.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wra, INCwra-ca.com HQ: San Rafael, CA, United StatesReported employees: 51-200 | San Rafael, CA, United States | 51-200 | Exact match | 183 contacts → |
“WRA is an environmental consultancy that’s making a net positive impact.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Ecorp Consulting, INCecorpconsulting.com HQ: Rocklin, CA, United StatesReported employees: 51-200 | Rocklin, CA, United States | 51-200 | Exact match | 166 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Westland, A Trinity Consultants Teamwestlandresources.com HQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 165 contacts → |
“WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HRP Associates, INChrpassociates.com HQ: Farmington, CT, United StatesReported employees: 51-200 | Farmington, CT, United States | 51-200 | Exact match | 155 contacts → |
“For 40 years, the consulting engineers at HRP have worked together with our clients to assure that they reach their intended business goals and achieve the right solutions to…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Dubois & King, INCdubois-king.com HQ: Randolph, VT, United StatesReported employees: 51-200 | Randolph, VT, United States | 51-200 | Exact match | 151 contacts → |
“Established in 1962, DuBois & King is a multidisciplined consulting engineering firm with extensive experience providing planning, permitting, and technical design services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | VN Engineers, INCvnengineers.com HQ: North Haven, CT, United StatesReported employees: 51-200 | North Haven, CT, United States | 51-200 | Exact match | 144 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Envirotrac LLCenvirotrac.com HQ: Yaphank, NY, United StatesReported employees: 51-200 | Yaphank, NY, United States | 51-200 | Exact match | 135 contacts → |
“EnviroTrac Ltd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Earthworks Environmental, LLCearthworksenv.com HQ: Phoenix, FL, United StatesReported employees: 51-200 | Phoenix, FL, United States | 51-200 | Exact match | 126 contacts → |
“America's #1 Stormwater Consultants Earthworks Environmental, LLC provides top of the line storm water pollution prevention (SWPP/NPDES), erosion control and dust control…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Edge Engineering And Science, LLCedge-es.com HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 116 contacts → |
“Edge Engineering & Science, LLC (EDGE) is a privately owned professional services firm headquartered in Houston, Texas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Techlawtechlawinc.com HQ: Chantilly, VA, United StatesReported employees: 201-500 | Chantilly, VA, United States | 201-500 | Exact match | 104 contacts → |
“Established in 1983, TechLaw provides environmental and management consulting services to the public sector nationwide.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Hart & Hickman, PCharthickman.com HQ: Charlotte, NC, United StatesReported employees: 51-200 | Charlotte, NC, United States | 51-200 | Exact match | 103 contacts → |
“Hart & Hickman PC provides environmental consulting services to commercial, industrial, and governmental clients throughout the Southeast US.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EEE Consulting, Inc. 3eeee-consulting.com HQ: Mechanicsville, VA, United StatesReported employees: 11-50 | Mechanicsville, VA, United States | 11-50 | Exact match | 101 contacts → |
“Consulting, Inc.(3e) is a dynamic and progressive certified small business that specializes in environmental studies, environmental engineering, environmental education, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Straughan Environmental, INCstraughanenvironmental.com HQ: Columbia, MD, United StatesReported employees: 51-200 | Columbia, MD, United States | 51-200 | Exact match | 99 contacts → |
“Straughan Environmental provides high quality & sustainable environmental planning, permitting and design services to government (federal, state, and municipal) and commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Chambers Group, INCchambersgroupinc.com HQ: Costa Mesa, CA, United StatesReported employees: 51-200 | Costa Mesa, CA, United States | 51-200 | Exact match | 98 contacts → |
“Public agencies and businesses have been relying on Chambers Group to keep them in compliance with applicable federal, state, and/or local environmental laws, regulations, and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AKT Peerlessaktpeerless.com HQ: Saginaw, MI, United StatesReported employees: 51-200 | Saginaw, MI, United States | 51-200 | Exact match | 96 contacts → |
“We are environmental consultants and redevelopment experts who are proud to help build sustainable communities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ETICeticeng.com HQ: Pleasant Hill, CA, United StatesReported employees: 51-200 | Pleasant Hill, CA, United States | 51-200 | Exact match | 92 contacts → |
“Since 1991, ETIC has been providing clients with environmental and civil consulting, engineering, and construction services.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Edwards-Pitman Environmental, INCedwards-pitman.com HQ: Atlanta, GA, United StatesReported employees: 51-200 | Atlanta, GA, United States | 51-200 | Exact match | 88 contacts → |
“Incorporated in 1994, Edwards-Pitman Environmental, Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Epsilon Associates, INCepsilonassociates.com HQ: Maynard, MA, United StatesReported employees: 51-200 | Maynard, MA, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 25 of 1,036 company matches
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Permitting consulting firms: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,034 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,036 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Permitting consulting firms by metro
Questions about this company list
What does Exact match mean for permitting consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many permitting consulting firms did RevenueBase find based in the United States?
The saved snapshot records 1,036 matching company records, 14,738 tracked contacts and 7,822 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Permitting consulting firms by geography
- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States
- Permitting consulting firms based in Australia
- Permitting consulting firms based in Brazil
- Permitting consulting firms based in Canada
- Permitting consulting firms based in Chile
- Permitting consulting firms based in France
- Permitting consulting firms based in Germany
Cite this list
RevenueBase Data Team. Top 25 permitting consulting firms based in the United States. Snapshot: September 29, 2026. https://revenuebase.ai/companies/permitting-consulting-firms/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Permitting consulting firms based in Belo Horizonte, Brazil
- Permitting consulting firms based in Curitiba, Brazil
- Permitting consulting firms based in Rio De Janeiro, Brazil
- Permitting consulting firms based in Sao Paulo, Brazil
- Permitting consulting firms based in Houston, United States
- Permitting consulting firms based in New York, United States