Company lists · Data refreshed September 2026

Top 25 Air consulting and engineering companies worldwide

Name: Air consulting and engineering companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 10,476 companies tracked

RevenueBase identified 10,476 company matches for air consulting and engineering companies worldwide as of September 2026 and tracks 180,300 professional contacts across them, including 53,521 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for air consulting and engineering companies worldwide, 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 21, 2026. Country and city lists for air consulting and engineering companies follow the table.

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 21, 2026 How this list was built

10,476Companies

180,300Contacts tracked

53,521Verified emails

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The 25 largest air consulting and engineering companies worldwide

Ranked by team size

Top 25 of 10,476 company matches for air consulting and engineering companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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	Ch2m	Exact match	Englewood, CO, United StatesHQ recorded Sep 21, 2026	10001+	8,088 contacts →
	Exact match “CH2M is now Jacobs.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2	Power Engineers	Exact match	Hailey, ID, United StatesHQ recorded Sep 21, 2026	1,001-5,000	4,013 contacts →
	Exact match “POWER Engineers is now part of WSP.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3	KEO International Consultants	Exact match	Safat, KuwaitHQ recorded Sep 21, 2026	1,001-5,000	3,038 contacts →
	Exact match “From shaping iconic skylines to crafting sustainable communities, KEO builds legacies for a better tomorrow.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4	Geosyntec Consultants	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,393 contacts →
	Exact match “Geosyntec is a consulting and engineering firm that works with private and public sector clients to address new ventures and complex problems involving our environment, natural…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5	ECS Group Of Companies	Exact match	Chantilly, VA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,210 contacts →
	Exact match “ECS Group of Companies is a Chantilly, VA-based consulting engineering firm.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6	Civil & Environmental Consultants, INC	Exact match	Moon Township, PA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,145 contacts →
	Exact match “Civil & Environmental Consultants, Inc.(CEC) provides comprehensive market-oriented consulting services that advance the strategic business objectives of its clients.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7	Olsson	Exact match	Lincoln, NE, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,108 contacts →
	Exact match “Olsson is an engineering firm made up of people who craft expert solutions and designs that improve communities.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8	Ricardo	Exact match	West Sussex, United KingdomHQ recorded Sep 21, 2026	1,001-5,000	2,104 contacts →
	Exact match “Ricardo, a member of @WSP, is a global engineering company, specialising in complex propulsion, driveline and energy systems, delivering high integrity solutions for customers…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9	Colliers Engineering & Design	Exact match	Holmdel, NJ, United StatesHQ recorded Sep 21, 2026	1,001-5,000	2,049 contacts →
	Exact match “Colliers Engineering & Design, an affiliate of Colliers, is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10	Exponent	Exact match	Menlo Park, CA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,560 contacts →
	Exact match “In an era of accelerating change, Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients’ most…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11	Garver	Exact match	North Little Rock, AR, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,499 contacts →
	Exact match “Founded in 1919, Garver is an employee-owned engineering, planning, and environmental services firm focused on aviation, transportation, buildings, federal, water and wastewater…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12	Senasa	Exact match	Madrid, SpainHQ recorded Sep 21, 2026	501-1,000	1,310 contacts →
	Exact match “SENASA is an aeronautical company specialized in training, technical assistance and consultancy in air navigation and security.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13	Consor	Exact match	United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,292 contacts →
	Exact match “Consor is a leading engineering and consulting firm advancing intelligent, future-ready infrastructure across transportation and water systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14	Movares	Exact match	Utrecht, NetherlandsHQ recorded Sep 21, 2026	1,001-5,000	1,213 contacts →
	Exact match “Movares is an engineering consultancy, providing solutions to capacity, safety, and integration problems in the areas of mobility, infrastructure and transportation systems.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15	Volkert, INC	Exact match	Mobile, AL, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,199 contacts →
	Exact match “Volkert’s history began in 1925 when it was founded in New Orleans as Doullut & Erwin to provide waterfront and heavy construction services, as well as airport design services…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16	Haley & Aldrich	Exact match	Burlington, MA, United StatesHQ recorded Sep 21, 2026	501-1,000	1,124 contacts →
	Exact match “Haley & Aldrich is committed to solving our clients’ most meaningful challenges in the built and natural environments.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17	Asplan Viak AS	Exact match	Sandvika, NorwayHQ recorded Sep 21, 2026	1,001-5,000	1,074 contacts →
	Exact match “Asplan Viak er et av Norges ledende rådgivnings-selskaper innen plan, arkitektur- og ingeniørfag.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18	BTP Consultants	Exact match	Montigny-le-bretonneux, FranceHQ recorded Sep 21, 2026	201-500	1,066 contacts →
	Exact match “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19	WSB	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 21, 2026	1,001-5,000	1,053 contacts →
	Exact match “Forge ahead.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20	Pond & Company	Exact match	Peachtree Corners, GA, United StatesHQ recorded Sep 21, 2026	501-1,000	985 contacts →
	Exact match “Pond, an ENERCON company, is a full-service consulting firm that has provided integrated engineering, architecture, planning, and construction management solutions to public and…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21	Cardno	Exact match	Fortitude Valley, AustraliaHQ recorded Sep 21, 2026	1,001-5,000	985 contacts →
	Exact match “Cardno is now officially Stantec.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22	GAI Consultants, INC	Exact match	Homestead, PA, United StatesHQ recorded Sep 21, 2026	501-1,000	964 contacts →
	Exact match “Transforming ideas into reality® since 1958, GAI Consultants is an engineering, planning, and environmental consulting firm that provides customized solutions and local expertise…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23	ATC Group Services LLC	Exact match	Lafayette, LA, United StatesHQ recorded Sep 21, 2026	1,001-5,000	865 contacts →
	Exact match “ATC Group Services LLC is now Atlas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24	The Foth Companies	Exact match	De Pere, WI, United StatesHQ recorded Sep 21, 2026	501-1,000	781 contacts →
	Exact match “By combining science, engineering, and technology with a true collaborative spirit, Foth has delivered innovative solutions to our clients since 1938.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25	EGEC	Exact match	Giza, EgyptHQ recorded Sep 21, 2026	501-1,000	760 contacts →
	Exact match “EGEC is a multi-disciplinary engineering consultation firm working in the areas of Buildings & Facilities, Urban Development, Water and Environment & Transportation, with a strong…” Recorded in the RevenueBase company graph · Sep 21, 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 “air consulting and engineering companies”. 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 10,476 air consulting and engineering companies worldwide

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Air consulting and engineering companies worldwide at a glance

As of Sep 21, 2026

29.7%Verified-email coverage

17.2Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

5,794

11-50

3,242

51-200

987

201-500

231

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for air consulting and engineering companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “air consulting and engineering companies” 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. 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 53,521 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 21, 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.

Air consulting and engineering companies by location

50 lists · largest first

Every Air consulting and engineering companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “air consulting and engineering companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many air consulting and engineering companies are there worldwide?

RevenueBase identified 10,476 company matches for air consulting and engineering companies worldwide 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?

Ch2m tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most air consulting and engineering companies?

The United States leads with 1,464 companies, followed by Brazil (823) and France (820). Every air consulting and engineering companies list by country and city is linked on this page.

Which city has the most air consulting and engineering companies?

Sao Paulo leads with 177 company records, followed by London (103) and Madrid (71).

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 53,521 professional contacts with verified work emails tracked across these 10,476 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 21, 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.