Company lists · Data refreshed September 2026

Top 22 Industrial environmental consulting firms based in Columbus, United States

Name: Industrial environmental consulting firms based in Columbus, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 30 companies tracked

RevenueBase identified 30 company matches for industrial environmental consulting firms associated with Columbus, United States as of September 2026 and tracks 1,318 professional contacts across them, including 680 with verified work emails. Across the United States, Houston is the largest hub for this category (194 companies); Columbus has 30.

This list covers company matches for industrial environmental consulting firms associated with Columbus, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

30Companies

1,318Contacts tracked

680Verified emails

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The 22 largest industrial environmental consulting firms based in Columbus, United States

Ranked by team size

Top 22 of 30 company matches for industrial environmental consulting firms based in Columbus, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Emh&t	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	201-500	337 contacts →
	Exact match “At EMH & T, we leverage our many areas of expertise, our strong and long-lasting relationships, and our passion for finding answers to deliver the solutions our clients need has…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	CTL Engineering, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	201-500	314 contacts →
	Exact match “CTL Engineering is a full service consulting engineering, testing, inspection, and analytical services company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Resource International, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	201-500	159 contacts →
	Exact match “Resource International, Inc.(Rii) has been serving communities since 1973 as a female- and family-owned engineering consulting firm headquartered in Columbus, Ohio.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Korda Nemeth Engineering	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	51-200	131 contacts →
	Exact match “Founded in 1964, Korda is a multidisciplinary engineering firm headquartered in Columbus, OH, providing full consulting engineering services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	ASC Group, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	51-200	65 contacts →
	Exact match “Founded in 1986, ASC Group, Inc.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Lawhon & Associates, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	49 contacts →
	Exact match “Lawhon & Associates, Inc.(L&A) provides full-service environmental and engineering consulting services to the public and private sector.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	River Consulting, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	201-500	37 contacts →
	Exact match “River Consulting was acquired by Matrix PDM Engineering in December 2017, bringing its leading mid-major A/E to global energy, food, process and industrial its current and new…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Ventura Engineering, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	31 contacts →
	Exact match “Ventura Engineering is a 45‐person full service consulting engineering firm offering services to industrial, commercial, and public clients.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Stone Environmental Engineering & Science	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	24 contacts →
	Exact match “STONE's experienced engineers, scientists, and technicians provide environmental and civil engineering services to government, business, and industry throughout Ohio and the…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	CCI Engineering Services	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	23 contacts →
	Exact match “In 1984, Joyce Johnson established CAD Concepts, Inc.(the CCI in CCI Engineering Services) as a consulting enterprise.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	GT Environmental, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	19 contacts →
	Exact match “GT Environmental, Inc.(GT) is an environmental consulting firm headquartered in Columbus, Ohio.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Hina Environmental Solutions	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	16 contacts →
	Exact match “Hina Environmental Solutions is a Columbus; Ohio-based environmental company focusing on Testing and Abatement of Asbestos, Lead-Based Paint and Mold Remediation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Buckeye ELM Contracting	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	51-200	13 contacts →
	Exact match “Buckeye Elm Contracting is a full-service environmental contracting company established in 2017.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Metro CD Engineering, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	12 contacts →
	Exact match “Metro CD Engineering is an award-winning engineering consulting firm that is passionate about "Engineering a Greener Tomorrow.Today." Metro CD Engineering is a socially…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	Worthy Engineering	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Our Services: Worthy Engineering provides a full range of industrial systems engineering, technical and engineering services, engineering and process consulting, and equipment and…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Sentinel Safety Group LLC	Exact match	Columbus, IN, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “Sentinel Safety Group is an occupational safety, industrial hygiene, environmental and risk management services and solutions company based out of Columbus, Indiana.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Acec Ohio	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	1-10	5 contacts →
	Exact match “The American Council of Engineering Companies of Ohio is a non-profit trade association comprised of firms that provide a wide array of engineering and other professional services…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Envi Environmental, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Weishuhn Engineering INC	Exact match	Columbus, TX, United StatesHQ recorded Sep 28, 2026	1-10	3 contacts →
	Exact match “Weishuhn Engineering Inc is an Environmental Engineering company located at 425 Spring Street Suite 102, Columbus, Texas, United States.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Central Ohio OIL INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	11-50	3 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Frankal Innovations	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	1-10	2 contacts →
	Exact match “Frankal was established in 2014 to provide filtration and waste consulting services.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	FMC Environmental Consulting	Exact match	Columbus, OH, United StatesHQ recorded Sep 28, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 28, 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 “industrial environmental consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 22 of 30 industrial environmental consulting firms based in Columbus, United States

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Industrial environmental consulting firms based in Columbus, United States at a glance

As of Sep 28, 2026

51.6%Verified-email coverage

43.9Average contacts per company

11-50Median size (employees)

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

Email recency for this list is measured across the whole United States list rather than for Columbus, so it is reported there. Company counts and contact totals on this page are exact for Columbus, over 30 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 Columbus, United States whose business descriptions match “industrial environmental consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 680 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 28, 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.

Industrial environmental consulting firms by metro in the United States

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 “industrial environmental consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial environmental consulting firms are there based in Columbus, United States?

RevenueBase identified 30 company matches for industrial environmental consulting firms associated with Columbus, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Emh&t tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most industrial environmental consulting firms?

Houston leads the United States with 194 company records, followed by New York (126) and Seattle (74). Columbus has 30.

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 680 professional contacts with verified work emails tracked across these 30 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.

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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.