Company lists · Data refreshed October 2026
Top 25 Landfill engineering consultants based in the United States
RevenueBase identified 2,734 company matches for landfill engineering consultants associated with the United States as of October 2026 and tracks 124,806 professional contacts across them, including 60,550 with verified work emails. Houston is the largest hub.
This list covers company matches for landfill engineering consultants 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 October 17, 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 landfill engineering consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 13,725 contacts → | ||||
Exact match “Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 2 | 6,380 contacts → | ||||
Exact match “Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 3 | 2,521 contacts → | ||||
Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 4 | 2,510 contacts → | ||||
Exact match “Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 5 | 2,402 contacts → | ||||
Exact match “Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 6 | 2,259 contacts → | ||||
Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 7 | 2,256 contacts → | ||||
Exact match “Providence is an employee-owned engineering and environmental consulting firm.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 8 | 2,204 contacts → | ||||
Exact match “Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 9 | 2,148 contacts → | ||||
Exact match “Employee-Owned.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 10 | 1,811 contacts → | ||||
Exact match “For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 11 | 1,778 contacts → | ||||
Exact match “Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 12 | 1,733 contacts → | ||||
Exact match “CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 13 | 1,639 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 14 | 1,499 contacts → | ||||
Exact match “Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 15 | 1,418 contacts → | ||||
Exact match “Partner Assessment Corp.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 16 | 1,266 contacts → | ||||
Exact match “Who is Apex?” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 17 | 1,201 contacts → | ||||
Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 18 | 1,134 contacts → | ||||
Exact match “Ranked No.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 19 | 1,108 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 · Oct 17, 2026 · View company records in RevenueBase | |||||
| 20 | 1,077 contacts → | ||||
Exact match “Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 21 | 1,009 contacts → | ||||
Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 22 | 872 contacts → | ||||
Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 23 | 807 contacts → | ||||
Exact match “Dudek is an environmental, planning, and engineering consulting firm.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 24 | 769 contacts → | ||||
Exact match “Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded in the RevenueBase company graph · Oct 17, 2026 · View company records in RevenueBase | |||||
| 25 | 685 contacts → | ||||
Exact match “About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded in the RevenueBase company graph · Oct 17, 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 “landfill engineering consultants”. 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 2,734 landfill engineering consultants based in the United States
See the full list, filter by size, metro and specialty, and access 60,550 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Landfill engineering consultants based in the United States at a glance
As of Oct 17, 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 2,734 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 “landfill engineering consultants” 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 60,550 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 October 17, 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.
Landfill engineering consultants 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 “landfill engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many landfill engineering consultants are there based in the United States?
RevenueBase identified 2,734 company matches for landfill engineering consultants associated with the United States as of October 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?
Tetra Tech tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most landfill engineering consultants?
Houston leads with 71 company records, followed by Tampa (34) and Austin (29).
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 60,550 professional contacts with verified work emails tracked across these 2,734 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 October 17, 2026.
Ready to reach these companies? Verified emails and direct dials for all 2,734 landfill engineering consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Landfill engineering consultants by geography
- Landfill engineering consultants based in Melbourne, Australia
- Landfill engineering consultants based in Belo Horizonte, Brazil
- Landfill engineering consultants based in Curitiba, Brazil
- Landfill engineering consultants based in Rio De Janeiro, Brazil
- Landfill engineering consultants based in Sao Paulo, Brazil
- Landfill engineering consultants based in Calgary, Canada
- Landfill engineering consultants based in Edmonton, Canada
- Landfill engineering consultants based in Rome, Italy
- Landfill engineering consultants based in Madrid, Spain
- Landfill engineering consultants based in Austin, United States
- Landfill engineering consultants based in Houston, United States
- Landfill engineering consultants based in Tampa, United States
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
- Landfill engineering consultants based in Melbourne, Australia
- Landfill engineering consultants based in Belo Horizonte, Brazil
- Landfill engineering consultants based in Curitiba, Brazil
- Landfill engineering consultants based in Rio De Janeiro, Brazil
- Landfill engineering consultants based in Sao Paulo, Brazil
- Landfill engineering consultants based in Calgary, Canada
Company intelligence · public preview
Top 25 landfill engineering consultants 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 2,734 matching company records for landfill engineering consultants based in the United States, with 124,806 tracked contacts and 60,550 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: October 17, 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 landfill engineering consultants 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 |  Tetra Techtetratech.comHQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 13,725 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Terraconterracon.comHQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,380 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Geosyntec Consultantsgeosyntec.comHQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 2,521 contacts → |
“Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Brown And Caldwellbrownandcaldwell.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,510 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,402 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ECS Group Of Companiesecslimited.comHQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 2,259 contacts → |
“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Providenceprovidenceeng.comHQ: Baton Rouge, LA, United StatesReported employees: Not recorded | Baton Rouge, LA, United States | Not recorded | Exact match | 2,256 contacts → |
“Providence is an employee-owned engineering and environmental consulting firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Civil & Environmental Consultants, INCcecinc.comHQ: Moon Township, PA, United StatesReported employees: 1,001-5,000 | Moon Township, PA, United States | 1,001-5,000 | Exact match | 2,204 contacts → |
“Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  LJAlja.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,148 contacts → |
“Employee-Owned.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Carollo Engineerscarollo.comHQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,811 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Bowman Consultingbowman.comHQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,778 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  CHA Consulting, INCchasolutions.comHQ: Albany, NY, United StatesReported employees: 1,001-5,000 | Albany, NY, United States | 1,001-5,000 | Exact match | 1,733 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  GEI Consultants, INCgeiconsultants.comHQ: Woburn, MA, United StatesReported employees: 1,001-5,000 | Woburn, MA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Atwell, LLCatwell.comHQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 1,499 contacts → |
“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Partner Engineering & Science, INCpartneresi.comHQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 1,418 contacts → |
“Partner Assessment Corp.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Apex Companiesapexcos.comHQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,266 contacts → |
“Who is Apex?” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Volkert, INCvolkert.comHQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,201 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Bge, INCbgeinc.comHQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,134 contacts → |
“Ranked No.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Barr Engineering CObarr.comHQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,108 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Trinity Consultantstrinityconsultants.comHQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  GAI Consultants, INCgaiconsultants.comHQ: Homestead, PA, United StatesReported employees: 501-1,000 | Homestead, PA, United States | 501-1,000 | Exact match | 1,009 contacts → |
“Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ATC Group Services LLConeatlas.comHQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  DUDEKdudek.comHQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 807 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Psomaspsomas.comHQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 769 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  H2m Architects Engineersh2m.comHQ: Melville, NY, United StatesReported employees: 501-1,000 | Melville, NY, United States | 501-1,000 | Exact match | 685 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 2,734 company matches
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Landfill engineering consultants: dataset insights
October 17, 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
2,731 records in the displayed employee bands.
3 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 2,734 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: October 17, 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 ↗
Landfill engineering consultants by metro
Questions about this company list
What does Exact match mean for landfill engineering consultants?
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 landfill engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 2,734 matching company records, 124,806 tracked contacts and 60,550 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: October 17, 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
Landfill engineering consultants by geography
- Landfill engineering consultants based in Melbourne, Australia
- Landfill engineering consultants based in Belo Horizonte, Brazil
- Landfill engineering consultants based in Curitiba, Brazil
- Landfill engineering consultants based in Rio De Janeiro, Brazil
- Landfill engineering consultants based in Sao Paulo, Brazil
- Landfill engineering consultants based in Calgary, Canada
- Landfill engineering consultants based in Edmonton, Canada
- Landfill engineering consultants based in Rome, Italy
- Landfill engineering consultants based in Madrid, Spain
- Landfill engineering consultants based in Austin, United States
- Landfill engineering consultants based in Houston, United States
- Landfill engineering consultants based in Tampa, United States
Cite this list
RevenueBase Data Team. Top 25 landfill engineering consultants based in the United States. Snapshot: October 17, 2026. https://revenuebase.ai/companies/landfill-engineering-consultants/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
- Landfill engineering consultants based in Melbourne, Australia
- Landfill engineering consultants based in Belo Horizonte, Brazil
- Landfill engineering consultants based in Curitiba, Brazil
- Landfill engineering consultants based in Rio De Janeiro, Brazil
- Landfill engineering consultants based in Sao Paulo, Brazil
- Landfill engineering consultants based in Calgary, Canada
Company intelligence · public preview
Top 25 landfill engineering consultants based in the United States
RevenueBase records 2,734 matching company records for landfill engineering consultants based in the United States, with 124,806 tracked contacts and 60,550 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: October 17, 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 landfill engineering consultants 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 | Tetra Techtetratech.com HQ: Pasadena, CA, United StatesReported employees: 10001+ | Pasadena, CA, United States | 10001+ | Exact match | 13,725 contacts → |
“Tetra Tech is the leader in water, environment and sustainable infrastructure, providing high-end technical and engineering services for projects worldwide.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Terraconterracon.com HQ: Olathe, KS, United StatesReported employees: 5,001-10,000 | Olathe, KS, United States | 5,001-10,000 | Exact match | 6,380 contacts → |
“Terracon is a 100 percent employee-owned consulting engineering firm providing quality services to clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Geosyntec Consultantsgeosyntec.com HQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 2,521 contacts → |
“Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Brown And Caldwellbrownandcaldwell.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 2,510 contacts → |
“Headquartered in Walnut Creek, Calif, Brown and Caldwell is an employee-owned firm with 2,100+ professionals serving clients locally and globally from 52 locations.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Parsippany, NJ, United StatesReported employees: 1,001-5,000 | Parsippany, NJ, United States | 1,001-5,000 | Exact match | 2,402 contacts → |
“Langan's client-focused, highly entrepreneurial culture cultivates an environment of opportunities in which career growth and teamwork flourish.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ECS Group Of Companiesecslimited.com HQ: Chantilly, VA, United StatesReported employees: 1,001-5,000 | Chantilly, VA, United States | 1,001-5,000 | Exact match | 2,259 contacts → |
“ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Providenceprovidenceeng.com HQ: Baton Rouge, LA, United StatesReported employees: Not recorded | Baton Rouge, LA, United States | Not recorded | Exact match | 2,256 contacts → |
“Providence is an employee-owned engineering and environmental consulting firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Civil & Environmental Consultants, INCcecinc.com HQ: Moon Township, PA, United StatesReported employees: 1,001-5,000 | Moon Township, PA, United States | 1,001-5,000 | Exact match | 2,204 contacts → |
“Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | LJAlja.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 2,148 contacts → |
“Employee-Owned.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Carollo Engineerscarollo.com HQ: Walnut Creek, CA, United StatesReported employees: 1,001-5,000 | Walnut Creek, CA, United States | 1,001-5,000 | Exact match | 1,811 contacts → |
“For more than 90 years, Carollo Engineers has been dedicated exclusively to water and wastewater solutions.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Bowman Consultingbowman.com HQ: Reston, VA, United StatesReported employees: 1,001-5,000 | Reston, VA, United States | 1,001-5,000 | Exact match | 1,778 contacts → |
“Headquartered in Reston, Virginia, Bowman is a national engineering services firm delivering infrastructure solutions to customers who own, develop and maintain the built…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | CHA Consulting, INCchasolutions.com HQ: Albany, NY, United StatesReported employees: 1,001-5,000 | Albany, NY, United States | 1,001-5,000 | Exact match | 1,733 contacts → |
“CHA Consulting, Inc.(CHA) is an innovative, full-service engineering, design, consulting, and program/construction management firm providing a wide range of technology-enhanced…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | GEI Consultants, INCgeiconsultants.com HQ: Woburn, MA, United StatesReported employees: 1,001-5,000 | Woburn, MA, United States | 1,001-5,000 | Exact match | 1,639 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Atwell, LLCatwell.com HQ: Southfield, MI, United StatesReported employees: 1,001-5,000 | Southfield, MI, United States | 1,001-5,000 | Exact match | 1,499 contacts → |
“Atwell is a full-service consulting, engineering and construction services firm that delivers a broad range of creative solutions to clients in the real estate and land…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Partner Engineering & Science, INCpartneresi.com HQ: Torrance, CA, United StatesReported employees: 1,001-5,000 | Torrance, CA, United States | 1,001-5,000 | Exact match | 1,418 contacts → |
“Partner Assessment Corp.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Apex Companiesapexcos.com HQ: Rockville, MD, United StatesReported employees: 1,001-5,000 | Rockville, MD, United States | 1,001-5,000 | Exact match | 1,266 contacts → |
“Who is Apex?” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Volkert, INCvolkert.com HQ: Mobile, AL, United StatesReported employees: 1,001-5,000 | Mobile, AL, United States | 1,001-5,000 | Exact match | 1,201 contacts → |
“Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Bge, INCbgeinc.com HQ: Houston, TX, United StatesReported employees: 1,001-5,000 | Houston, TX, United States | 1,001-5,000 | Exact match | 1,134 contacts → |
“Ranked No.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Barr Engineering CObarr.com HQ: Minneapolis, MN, United StatesReported employees: 1,001-5,000 | Minneapolis, MN, United States | 1,001-5,000 | Exact match | 1,108 contacts → |
“Barr provides engineering and environmental consulting services to clients across the Midwest, throughout the Americas, and around the world.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Trinity Consultantstrinityconsultants.com HQ: Dallas, TX, United StatesReported employees: 1,001-5,000 | Dallas, TX, United States | 1,001-5,000 | Exact match | 1,077 contacts → |
“Trinity Consultants is a global team of experts helping organizations solve complex challenges in environmental compliance, ecological protection, infrastructure performance, and…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | GAI Consultants, INCgaiconsultants.com HQ: Homestead, PA, United StatesReported employees: 501-1,000 | Homestead, PA, United States | 501-1,000 | Exact match | 1,009 contacts → |
“Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ATC Group Services LLConeatlas.com HQ: Lafayette, LA, United StatesReported employees: 1,001-5,000 | Lafayette, LA, United States | 1,001-5,000 | Exact match | 872 contacts → |
“ATC Group Services LLC is now Atlas.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | DUDEKdudek.com HQ: Encinitas, CA, United StatesReported employees: 501-1,000 | Encinitas, CA, United States | 501-1,000 | Exact match | 807 contacts → |
“Dudek is an environmental, planning, and engineering consulting firm.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Psomaspsomas.com HQ: Los Angeles, CA, United StatesReported employees: 501-1,000 | Los Angeles, CA, United States | 501-1,000 | Exact match | 769 contacts → |
“Our award-winning projects are produced through innovation, creativity, and technical expertise.” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | H2m Architects Engineersh2m.com HQ: Melville, NY, United StatesReported employees: 501-1,000 | Melville, NY, United States | 501-1,000 | Exact match | 685 contacts → |
“About H2M H2M architects + engineers is a multi-disciplinary professional consulting and design firm, proud of its long history of client service and consistent ability to meet…” Recorded description excerpt · October 17, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Landfill engineering consultants: dataset insights
October 17, 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
2,731 records in the displayed employee bands.
3 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 2,734 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: October 17, 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 ↗
Landfill engineering consultants by metro
Questions about this company list
What does Exact match mean for landfill engineering consultants?
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 landfill engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 2,734 matching company records, 124,806 tracked contacts and 60,550 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: October 17, 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
Landfill engineering consultants by geography
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Cite this list
RevenueBase Data Team. Top 25 landfill engineering consultants based in the United States. Snapshot: October 17, 2026. https://revenuebase.ai/companies/landfill-engineering-consultants/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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- Landfill engineering consultants based in Melbourne, Australia
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