Company lists · Data refreshed September 2026
Top 18 Mechanical engineering consultants based in Columbus, United States
RevenueBase identified 32 mechanical engineering consultants headquartered in Columbus, United States as of September 2026 and tracks 711 professional contacts across them, including 362 with verified work emails. Houston is the largest hub.
This list covers mechanical engineering consultants headquartered in Columbus, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 17, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 18 largest mechanical engineering consultants based in Columbus, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 159 contacts → | ||||
Partial evidence “Resource International, Inc.(Rii) has been serving communities since 1973 as a female- and family-owned engineering consulting firm headquartered in Columbus, Ohio.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 2 | 131 contacts → | ||||
Partial evidence “Founded in 1964, Korda is a multidisciplinary engineering firm headquartered in Columbus, OH, providing full consulting engineering services.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 3 | 75 contacts → | ||||
Strong evidence “Founded in 1998, Advanced Engineering Consultants (AEC) specializes in providing mechanical, electrical, plumbing, fire protection and technology engineering design services.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 4 | 70 contacts → | ||||
Indirect evidence “Paul J.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 6 | 31 contacts → | ||||
Partial evidence “Ventura Engineering is a 45‐person full service consulting engineering firm offering services to industrial, commercial, and public clients.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 7 | 26 contacts → | ||||
Partial evidence “Moody Engineering is an experienced team of civil engineers.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 8 | 23 contacts → | ||||
Partial evidence “In 1984, Joyce Johnson established CAD Concepts, Inc.(the CCI in CCI Engineering Services) as a consulting enterprise.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 9 | 22 contacts → | ||||
Partial evidence “MJ Engineering & Consulting, Inc.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 10 | 20 contacts → | ||||
Partial evidence “The CEC Group was established to provide innovative and cost-effective engineered solutions, with respect to mechanical and electrical infrastructure systems, in the building…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Partial evidence “National Engineering was formed in March with one goal in mind, to offer engineering clients what seems to be in short supply; service.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Indirect evidence “Established in 1982, Roger D.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 13 | 12 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “Kramer Engineers is a Columbus, Ohio consulting/design engineering firm; providing over 60 years of design innovation.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Partial evidence “Terrain Evolution (TE) is a full-service civil engineering company providing clients with a broad spectrum of project management skills and services.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Strong evidence “Originally founded in 1991, Productive Resources has focused on providing to clients all over the world top-quality, cost effective Mechanical Engineering, Drafting, and Technical…” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
| 18 | 1 contacts → | ||||
Indirect evidence “Novus Designs is a product development firm founded by Adam Hensel.” Source: RevenueBase Database · checked Sep 17, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: mechanical engineering consultants. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names mechanical engineering consultants.
- Partial evidence
- Its own public description names part of mechanical engineering consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name mechanical engineering consultants. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 18 of 32 mechanical engineering consultants based in Columbus, United States
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Mechanical engineering consultants based in Columbus, United States at a glance
As of Sep 17, 2026Companies by employee count
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 32 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among mechanical engineering consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Columbus, United States whose own description of what they do matches “mechanical engineering consultants”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names mechanical engineering consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among mechanical engineering consultants, and records with no verified work email. Companies headquartered outside Columbus are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 362 across the full list. 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 17, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Mechanical engineering consultants by metro in the United States
- Mechanical engineering consultants in Houston180
- Mechanical engineering consultants in New York143
- Mechanical engineering consultants in Austin73
- Mechanical engineering consultants in Chicago73
- Mechanical engineering consultants in San Diego65
- Mechanical engineering consultants in Miami57
- Mechanical engineering consultants in Dallas52
- Mechanical engineering consultants in Atlanta49
- Mechanical engineering consultants in San Francisco48
- Mechanical engineering consultants in Los Angeles46
- Mechanical engineering consultants in Phoenix46
- Mechanical engineering consultants in Portland46
- Mechanical engineering consultants in Charlotte42
- Mechanical engineering consultants in San Antonio39
- Mechanical engineering consultants in Tampa38
- Mechanical engineering consultants in Orlando36
- Mechanical engineering consultants in Seattle35
- Mechanical engineering consultants in Denver34
- Mechanical engineering consultants in Columbus32
- Mechanical engineering consultants in Indianapolis28
- Mechanical engineering consultants in Irvine28
- Mechanical engineering consultants in Las Vegas28
- Mechanical engineering consultants in Raleigh27
- Mechanical engineering consultants in Pittsburgh25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names mechanical engineering consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many mechanical engineering consultants are there based in Columbus, United States?
RevenueBase identified 32 mechanical engineering consultants headquartered in Columbus, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Resource International, INC, headquartered in Columbus, tops this list with the largest team on record.
Which city has the most mechanical engineering consultants?
Houston leads with 180 headquartered companies, followed by New York (143) and Austin (73).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 362 verified decision-maker contacts tracked across these 32 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 17, 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 Smart Search, 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.
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