Company lists · Data refreshed September 2026

Top 24 Energy engineering consulting firms based in Columbus, United States

Name: Energy engineering 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 24, 2026 37 companies tracked

RevenueBase identified 37 company matches for energy engineering consulting firms associated with Columbus, United States as of September 2026 and tracks 751 professional contacts across them, including 388 with verified work emails. Across the United States, Houston is the largest hub for this category (298 companies); Columbus has 37.

This list covers company matches for energy engineering 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 24, 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 24, 2026 How this list was built

37Companies

751Contacts tracked

388Verified emails

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The 24 largest energy engineering consulting firms based in Columbus, United States

Ranked by team size

Top 24 of 37 company matches for energy engineering consulting firms based in Columbus, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 24, 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	Resource International, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
2	Korda Nemeth Engineering	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
3	Advanced Engineering Consultants	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	51-200	75 contacts →
	Exact match “Founded in 1998, Advanced Engineering Consultants (AEC) specializes in providing mechanical, electrical, plumbing, fire protection and technology engineering design services.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
4	Paul J. Ford	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	51-200	70 contacts →
	Exact match “Paul J.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
5	Lawhon & Associates, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
6	River Consulting, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
7	Ventura Engineering, INC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
8	Moody Engineering	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	26 contacts →
	Exact match “Moody Engineering is an experienced team of civil engineers.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
9	CCI Engineering Services	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
10	CEC Group, LLC AKA Communications Engineering Consultants, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	20 contacts →
	Exact match “The CEC Group was established to provide innovative and cost-effective engineered solutions, with respect to mechanical and electrical infrastructure systems, in the building…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
11	National Engineering LTD	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	18 contacts →
	Exact match “National Engineering was formed in March with one goal in mind, to offer engineering clients what seems to be in short supply; service.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
12	Rvw, INC	Exact match	Columbus, NE, United StatesHQ recorded Sep 24, 2026	51-200	14 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
13	Roger D. Fields Associates, Inc. Rdfa	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	13 contacts →
	Exact match “Established in 1982, Roger D.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
14	Metro CD Engineering, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
15	Kramer Engineers	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	10 contacts →
	Exact match “Kramer Engineers is a Columbus, Ohio consulting/design engineering firm; providing over 60 years of design innovation.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
16	EM Engineering Group, LTD	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	10 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
17	EA Energy Solutions	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	6 contacts →
	Exact match “EA Energy Solutions is an energy services company.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
18	Weishuhn Engineering INC	Exact match	Columbus, TX, United StatesHQ recorded Sep 24, 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 24, 2026 · View company records in RevenueBase
19	Plethora Energy	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “Unfortunately, if you are located in a state with the luxury of a deregulated energy market, you have inevitably been accosted by companies pitching temporary minute savings on…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
20	Advanced Microgrid Systems	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “AMS is an engineering and design firm providing complete energy solutions to business customers.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
21	Affinity Infrastructure, LLC	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “Proudly located in the recently renovated Columbus Idea Foundry in historic Franklinton, Affinity Infrastructure is eager to bring innovative ideas and a modern approach to…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
22	Trebel Energy	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	2 contacts →
	Exact match “Trebel, LLC is a national energy consulting / brokerage company serving commercial, governmental, small business and residential clients primarily throughout the deregulated…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
23	Energent Solutions	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	11-50	1 contacts →
	Exact match “Energent Solutions is dedicated to helping companies meet and exceed their energy, sustainability, and ESG goals.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase
24	Tailored Energy Connection	Exact match	Columbus, OH, United StatesHQ recorded Sep 24, 2026	1-10	1 contacts →
	Exact match “Lighting the way to smarter business solutions.” Recorded in the RevenueBase company graph · Sep 24, 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 “energy engineering 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 24 of 37 energy engineering consulting firms based in Columbus, United States

See the full list, filter by size, metro and specialty, and access 388 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy engineering consulting firms based in Columbus, United States at a glance

As of Sep 24, 2026

51.7%Verified-email coverage

20.3Average contacts per company

11-50Median size (employees)

Sep 24, 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 37 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 “energy engineering 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 388 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 24, 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.

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

How many energy engineering consulting firms are there based in Columbus, United States?

RevenueBase identified 37 company matches for energy engineering 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?

Resource International, INC 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 energy engineering consulting firms?

Houston leads the United States with 298 company records, followed by New York (190) and Austin (99). Columbus has 37.

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 388 professional contacts with verified work emails tracked across these 37 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 24, 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.