Company lists · Data refreshed October 2026
Top 25 Mine drainage engineering consultants based in the United States
RevenueBase identified 380 company matches for mine drainage engineering consultants associated with the United States as of October 2026 and tracks 13,961 professional contacts across them, including 7,270 with verified work emails. Denver is the largest hub.
This list covers company matches for mine drainage 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 18, 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 mine drainage engineering consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 18, 2026 · View company records in RevenueBase | |||||
| 2 | 1,326 contacts → | ||||
Exact match “Knight Piésold is an employee-owned, global consulting firm providing specialist services to the mining, power, water resources, and infrastructure industries.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 3 | 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 18, 2026 · View company records in RevenueBase | |||||
| 4 | 447 contacts → | ||||
Exact match “Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 5 | 197 contacts → | ||||
Exact match “Moore's consulting engineers work side by side with you to understand your needs, explore all the options, and find innovative and economical solutions for your civil, surveying…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 6 | 192 contacts → | ||||
Exact match “Project Consulting Services®, Inc.(PCS) provides consulting and engineering expertise to the energy infrastructure industry.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 7 | 172 contacts → | ||||
Exact match “WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 8 | 147 contacts → | ||||
Exact match “Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 9 | 132 contacts → | ||||
Exact match “Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 10 | 103 contacts → | ||||
Exact match “PJ is a pipeline company that combine slurry transport system expertise with our experience in all phases of EPCM delivery.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 11 | 95 contacts → | ||||
Exact match “Triple H Enterprises is a multi-disciplinary engineering & consulting company located in the heart of the Marcellus Shale.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 12 | 92 contacts → | ||||
Exact match “Gibson-Thomas is a multi-discipline consulting engineering firm established in 1916.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 13 | 91 contacts → | ||||
Exact match “Established in 1969, Skelly and Loy is a privately owned, mid-sized corporation with 6 Mid-Atlantic offices.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 14 | 79 contacts → | ||||
Exact match “Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 15 | 78 contacts → | ||||
Exact match “Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 16 | 76 contacts → | ||||
Exact match “Water & Environmental Technologies (WET) is a full-service environmental and civil consulting and engineering firm located in Butte, Montana, with branch offices in Anaconda…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 17 | 72 contacts → | ||||
Exact match “We deliver quality solutions with integrity and expertise, every time.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 18 | 70 contacts → | ||||
Exact match “GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 19 | 65 contacts → | ||||
Exact match “Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 20 | 62 contacts → | ||||
Exact match “LRE Water is now Spheros Environmental.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 21 | 60 contacts → | ||||
Exact match “Exacore delivers Engineering, Procurement, and Construction (EPC) services for data mining infrastructure projects.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 22 | 58 contacts → | ||||
Exact match “Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 23 | 56 contacts → | ||||
Exact match “CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 24 | 50 contacts → | ||||
Exact match “Development Facilitators, Inc.(DFI) is a multi-disciplined consulting engineering organization based in Anne Arundel County, Maryland.” Recorded in the RevenueBase company graph · Oct 18, 2026 · View company records in RevenueBase | |||||
| 25 | 49 contacts → | ||||
Exact match “EDGE Engineering provides civil engineering consulting services with special emphasis on stormwater management, drainage design, 2D hydraulic modeling, and project management.” Recorded in the RevenueBase company graph · Oct 18, 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 “mine drainage 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 380 mine drainage engineering consultants based in the United States
See the full list, filter by size, metro and specialty, and access 7,270 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Mine drainage engineering consultants based in the United States at a glance
As of Oct 18, 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 380 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 “mine drainage 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 7,270 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 18, 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.
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 “mine drainage engineering consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many mine drainage engineering consultants are there based in the United States?
RevenueBase identified 380 company matches for mine drainage 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?
Terracon tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most mine drainage engineering consultants?
Denver leads with 11 company records, followed by Houston (9) and Fort Collins (6).
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 7,270 professional contacts with verified work emails tracked across these 380 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 18, 2026.
Ready to reach these companies? Verified emails and direct dials for all 380 mine drainage engineering consultants based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Mine drainage engineering consultants by geography
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia
- Mine drainage engineering consultants based in Brazil
- Mine drainage engineering consultants based in Canada
- Mine drainage engineering consultants based in Chile
- Mine drainage engineering consultants based in France
- Mine drainage engineering consultants based in Germany
- Mine drainage engineering consultants based in India
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
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia
Company intelligence · public preview
Top 25 mine drainage 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 380 matching company records for mine drainage engineering consultants based in the United States, with 13,961 tracked contacts and 7,270 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 18, 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 mine drainage 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 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Knight Piesoldknightpiesold.comHQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 1,326 contacts → |
“Knight Piésold is an employee-owned, global consulting firm providing specialist services to the mining, power, water resources, and infrastructure industries.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Ttl, INCttlusa.comHQ: Tuscaloosa, AL, United StatesReported employees: 201-500 | Tuscaloosa, AL, United States | 201-500 | Exact match | 447 contacts → |
“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Moore Engineering, INCmooreengineeringinc.com HQ: West Fargo, ND, United StatesReported employees: 201-500 | West Fargo, ND, United States | 201-500 | Exact match | 197 contacts → |
“Moore's consulting engineers work side by side with you to understand your needs, explore all the options, and find innovative and economical solutions for your civil, surveying…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Project Consulting Servicesprojectconsulting.comHQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 192 contacts → |
“Project Consulting Services®, Inc.(PCS) provides consulting and engineering expertise to the energy infrastructure industry.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Westland, A Trinity Consultants Teamwestlandresources.comHQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 172 contacts → |
“WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ensero Solutionsensero.comHQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 147 contacts → |
“Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Geo-Logic Associates, INCgeo-logic.comHQ: Ontario, CA, United StatesReported employees: 201-500 | Ontario, CA, United States | 201-500 | Exact match | 132 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PJpj-inc.comHQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 103 contacts → |
“PJ is a pipeline company that combine slurry transport system expertise with our experience in all phases of EPCM delivery.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Triple H Enterprises, INCtriplehenterprises.net HQ: West Union, WV, United StatesReported employees: 201-500 | West Union, WV, United States | 201-500 | Exact match | 95 contacts → |
“Triple H Enterprises is a multi-disciplinary engineering & consulting company located in the heart of the Marcellus Shale.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gibson-Thomas Engineeringgibson-thomas.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 92 contacts → |
“Gibson-Thomas is a multi-discipline consulting engineering firm established in 1916.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Skelly And Loy, Inc., A Terracon Companyskellyloy.comHQ: Harrisburg, PA, United StatesReported employees: 51-200 | Harrisburg, PA, United States | 51-200 | Exact match | 91 contacts → |
“Established in 1969, Skelly and Loy is a privately owned, mid-sized corporation with 6 Mid-Atlantic offices.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Larry Walker Associateslwa.comHQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 79 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  MES Miningminenv.comHQ: Sandy, UT, United StatesReported employees: 11-50 | Sandy, UT, United States | 11-50 | Exact match | 78 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Water & Environmental Technologieswaterenvtech.com HQ: Butte, MT, United StatesReported employees: 51-200 | Butte, MT, United States | 51-200 | Exact match | 76 contacts → |
“Water & Environmental Technologies (WET) is a full-service environmental and civil consulting and engineering firm located in Butte, Montana, with branch offices in Anaconda…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Cgrs INCcgrs.comHQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 72 contacts → |
“We deliver quality solutions with integrity and expertise, every time.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  GSI Water Solutions, INCgsiws.comHQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 70 contacts → |
“GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  John T. Boyd Companyjtboyd.comHQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 65 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  LRE Water A Spheros Environmental Companylrewater.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 62 contacts → |
“LRE Water is now Spheros Environmental.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Exacore, LLCexacore.comHQ: Plantation, FL, United StatesReported employees: 11-50 | Plantation, FL, United States | 11-50 | Exact match | 60 contacts → |
“Exacore delivers Engineering, Procurement, and Construction (EPC) services for data mining infrastructure projects.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Tierra Group International, LTDtierragroupinternational.comHQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 58 contacts → |
“Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Call & Nicholascnitucson.comHQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 56 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Development Facilitators, INCdfiengineering.com HQ: Millersville, MD, United StatesReported employees: 51-200 | Millersville, MD, United States | 51-200 | Exact match | 50 contacts → |
“Development Facilitators, Inc.(DFI) is a multi-disciplined consulting engineering organization based in Anne Arundel County, Maryland.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Edge Engineering, Pllccivil-edge.comHQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 49 contacts → |
“EDGE Engineering provides civil engineering consulting services with special emphasis on stormwater management, drainage design, 2D hydraulic modeling, and project management.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 380 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Mine drainage engineering consultants: dataset insights
October 18, 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
380 records in the displayed employee bands.
0 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 380 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 18, 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 ↗
Questions about this company list
What does Exact match mean for mine drainage 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 mine drainage engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 380 matching company records, 13,961 tracked contacts and 7,270 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 18, 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
Mine drainage engineering consultants by geography
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia
- Mine drainage engineering consultants based in Brazil
- Mine drainage engineering consultants based in Canada
- Mine drainage engineering consultants based in Chile
- Mine drainage engineering consultants based in France
- Mine drainage engineering consultants based in Germany
- Mine drainage engineering consultants based in India
Cite this list
RevenueBase Data Team. Top 25 mine drainage engineering consultants based in the United States. Snapshot: October 18, 2026. https://revenuebase.ai/companies/mine-drainage-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
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia
Company intelligence · public preview
Top 25 mine drainage engineering consultants based in the United States
RevenueBase records 380 matching company records for mine drainage engineering consultants based in the United States, with 13,961 tracked contacts and 7,270 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 18, 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 mine drainage 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 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Knight Piesoldknightpiesold.com HQ: Denver, CO, United StatesReported employees: 1,001-5,000 | Denver, CO, United States | 1,001-5,000 | Exact match | 1,326 contacts → |
“Knight Piésold is an employee-owned, global consulting firm providing specialist services to the mining, power, water resources, and infrastructure industries.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | 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 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Ttl, INCttlusa.com HQ: Tuscaloosa, AL, United StatesReported employees: 201-500 | Tuscaloosa, AL, United States | 201-500 | Exact match | 447 contacts → |
“Founded in 1964, TTL is an engineering design firm focused on delivering integrated infrastructure solutions for public and private clients.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Moore Engineering, INCmooreengineeringinc.com HQ: West Fargo, ND, United StatesReported employees: 201-500 | West Fargo, ND, United States | 201-500 | Exact match | 197 contacts → |
“Moore's consulting engineers work side by side with you to understand your needs, explore all the options, and find innovative and economical solutions for your civil, surveying…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Project Consulting Servicesprojectconsulting.com HQ: Metairie, LA, United StatesReported employees: 201-500 | Metairie, LA, United States | 201-500 | Exact match | 192 contacts → |
“Project Consulting Services®, Inc.(PCS) provides consulting and engineering expertise to the energy infrastructure industry.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Westland, A Trinity Consultants Teamwestlandresources.com HQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 172 contacts → |
“WestLand Engineering & Environmental Services, has been a leading engineering and environmental services firm since 1997.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ensero Solutionsensero.com HQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 147 contacts → |
“Ensero Solutions is an environmental consulting and remediation business with specific expertise in environmental assessments and permitting solutions, mine water management…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Geo-Logic Associates, INCgeo-logic.com HQ: Ontario, CA, United StatesReported employees: 201-500 | Ontario, CA, United States | 201-500 | Exact match | 132 contacts → |
“Geo-Logic Associates, Inc.(GLA) is an employee-owned, multidisciplinary consulting firm.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PJpj-inc.com HQ: San Francisco, CA, United StatesReported employees: 201-500 | San Francisco, CA, United States | 201-500 | Exact match | 103 contacts → |
“PJ is a pipeline company that combine slurry transport system expertise with our experience in all phases of EPCM delivery.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Triple H Enterprises, INCtriplehenterprises.net HQ: West Union, WV, United StatesReported employees: 201-500 | West Union, WV, United States | 201-500 | Exact match | 95 contacts → |
“Triple H Enterprises is a multi-disciplinary engineering & consulting company located in the heart of the Marcellus Shale.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Gibson-Thomas Engineeringgibson-thomas.com HQ: Latrobe, PA, United StatesReported employees: 51-200 | Latrobe, PA, United States | 51-200 | Exact match | 92 contacts → |
“Gibson-Thomas is a multi-discipline consulting engineering firm established in 1916.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Skelly And Loy, Inc., A Terracon Companyskellyloy.com HQ: Harrisburg, PA, United StatesReported employees: 51-200 | Harrisburg, PA, United States | 51-200 | Exact match | 91 contacts → |
“Established in 1969, Skelly and Loy is a privately owned, mid-sized corporation with 6 Mid-Atlantic offices.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Larry Walker Associateslwa.com HQ: Davis, CA, United StatesReported employees: 51-200 | Davis, CA, United States | 51-200 | Exact match | 79 contacts → |
“Larry Walker Associates (LWA) is a privately owned firm headquartered in Davis, California, with offices in Berkeley, Yreka, Santa Monica, Ventura, San Diego, and Seattle, WA.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | MES Miningminenv.com HQ: Sandy, UT, United StatesReported employees: 11-50 | Sandy, UT, United States | 11-50 | Exact match | 78 contacts → |
“Mining & Environmental Services LLC provides specialized technical expertise, at a high level of excellence, to support our Clients throughout the full process cycle of…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Water & Environmental Technologieswaterenvtech.com HQ: Butte, MT, United StatesReported employees: 51-200 | Butte, MT, United States | 51-200 | Exact match | 76 contacts → |
“Water & Environmental Technologies (WET) is a full-service environmental and civil consulting and engineering firm located in Butte, Montana, with branch offices in Anaconda…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Cgrs INCcgrs.com HQ: Fort Collins, CO, United StatesReported employees: 51-200 | Fort Collins, CO, United States | 51-200 | Exact match | 72 contacts → |
“We deliver quality solutions with integrity and expertise, every time.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | GSI Water Solutions, INCgsiws.com HQ: Portland, OR, United StatesReported employees: 51-200 | Portland, OR, United States | 51-200 | Exact match | 70 contacts → |
“GSI Water Solutions, Inc, is a specialized groundwater, environmental, and water resources consulting firm.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | John T. Boyd Companyjtboyd.com HQ: Canonsburg, PA, United StatesReported employees: 51-200 | Canonsburg, PA, United States | 51-200 | Exact match | 65 contacts → |
“Since 1943, BOYD mining consultants have provided advisory services to a diverse mix of domestic and international clientele: mining companies, investors, financial institutions…” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | LRE Water A Spheros Environmental Companylrewater.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 62 contacts → |
“LRE Water is now Spheros Environmental.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Exacore, LLCexacore.com HQ: Plantation, FL, United StatesReported employees: 11-50 | Plantation, FL, United States | 11-50 | Exact match | 60 contacts → |
“Exacore delivers Engineering, Procurement, and Construction (EPC) services for data mining infrastructure projects.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Tierra Group International, LTDtierragroupinternational.com HQ: Lakewood, CO, United StatesReported employees: 11-50 | Lakewood, CO, United States | 11-50 | Exact match | 58 contacts → |
“Tierra Group International, Ltd.(Tierra Group) was formed in January 2012 by Matt Fuller, CPG and Pete Kowalewski, P.E.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Call & Nicholascnitucson.com HQ: Tucson, AZ, United StatesReported employees: 51-200 | Tucson, AZ, United States | 51-200 | Exact match | 56 contacts → |
“CALL & NICHOLAS (CNI) is an international mining consulting firm that specializes in geological engineering, geotechnical engineering, and hydrogeology.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Development Facilitators, INCdfiengineering.com HQ: Millersville, MD, United StatesReported employees: 51-200 | Millersville, MD, United States | 51-200 | Exact match | 50 contacts → |
“Development Facilitators, Inc.(DFI) is a multi-disciplined consulting engineering organization based in Anne Arundel County, Maryland.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Edge Engineering, Pllccivil-edge.com HQ: Austin, TX, United StatesReported employees: 11-50 | Austin, TX, United States | 11-50 | Exact match | 49 contacts → |
“EDGE Engineering provides civil engineering consulting services with special emphasis on stormwater management, drainage design, 2D hydraulic modeling, and project management.” Recorded description excerpt · October 18, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 380 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Mine drainage engineering consultants: dataset insights
October 18, 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
380 records in the displayed employee bands.
0 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 380 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 18, 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 ↗
Questions about this company list
What does Exact match mean for mine drainage 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 mine drainage engineering consultants did RevenueBase find based in the United States?
The saved snapshot records 380 matching company records, 13,961 tracked contacts and 7,270 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 18, 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
Mine drainage engineering consultants by geography
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia
- Mine drainage engineering consultants based in Brazil
- Mine drainage engineering consultants based in Canada
- Mine drainage engineering consultants based in Chile
- Mine drainage engineering consultants based in France
- Mine drainage engineering consultants based in Germany
- Mine drainage engineering consultants based in India
Cite this list
RevenueBase Data Team. Top 25 mine drainage engineering consultants based in the United States. Snapshot: October 18, 2026. https://revenuebase.ai/companies/mine-drainage-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
- Mine drainage engineering consultants based in Brisbane, Australia
- Mine drainage engineering consultants based in Perth, Australia
- Mine drainage engineering consultants based in Belo Horizonte, Brazil
- Mine drainage engineering consultants based in Santiago, Chile
- Mine drainage engineering consultants based in Johannesburg, South Africa
- Mine drainage engineering consultants based in Australia