Company lists · Data refreshed September 2026
Top 25 Adu manufacturers based in the United States
RevenueBase identified 222 adu manufacturers headquartered in the United States as of September 2026 and tracks 14,115 professional contacts across them, including 5,857 with verified work emails. Houston is the largest hub.
This list covers adu manufacturers headquartered in the 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 30, 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 25 largest adu manufacturers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,204 contacts → | ||||
Indirect evidence “Daikin Applied delivers superior air quality and energy efficiency to every solution with innovation in advanced technology, IoT, and next generation compressors.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,208 contacts → | ||||
Indirect evidence “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 3 | 975 contacts → | ||||
Indirect evidence “Greenheck is the global leader in engineering and manufacturing air movement, conditioning, and control equipment for nonresidential buildings.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 4 | 891 contacts → | ||||
Partial evidence “CaptiveAire® is the nation's leading manufacturer of commercial kitchen ventilation systems, and now provides a complete solution of fans, heaters, ductwork, and HVAC equipment.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 5 | 783 contacts → | ||||
Indirect evidence “Greenheck Group is made up of team members who serve as leaders in air movement, control, and conditioning equipment, providing solutions across a range of applications and…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 6 | 424 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 7 | 316 contacts → | ||||
Indirect evidence “Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 8 | 251 contacts → | ||||
Indirect evidence “M&M Manufacturing™ (“M&M”) is one of the country’s largest producers of sheet metal products, primarily servicing the air distribution and ventilation market.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 9 | 235 contacts → | ||||
Indirect evidence “Southwark Metal Mfg.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 10 | 219 contacts → | ||||
Indirect evidence “Texas Air Products is a full service suppler for the commercial construction industry with offices in Austin, San Antonio, Corpus Christi and the Rio Grande Valley.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 11 | 187 contacts → | ||||
Partial evidence “Since 1946 Revcor has been a staple company in the design and manufacture of revolutionary airflow solutions that efficiently, quietly and reliably deliver the air that improves…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 12 | 180 contacts → | ||||
Indirect evidence “MicroMetl is a leader in manufacturing commercial HVAC accessories with over a half century of information and expertise.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 13 | 140 contacts → | ||||
Indirect evidence “Advanced Distributor Products (ADP) started with a vision to produce the best evaporator coils in the country.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 14 | 127 contacts → | ||||
Indirect evidence “Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications with extensive experience in treating ventilation air.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 15 | 121 contacts → | ||||
Indirect evidence “Miller Industries, LLC is comprised of Flex Air, Miller Fabricated Systems, Mi Service Group, Miller Industries Representatives, and Fusion Cooling.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 16 | 115 contacts → | ||||
Indirect evidence “Founded in 1928 as a sales organization focused on HVAC contractors in Southern California, Pottorff's shift to manufacturing in 1971 remains anchored by a desire to deliver…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 17 | 112 contacts → | ||||
Indirect evidence “We help manufacturing and warehousing leaders create healthy work environments for their hard-working people.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 18 | 94 contacts → | ||||
Indirect evidence “Air Control Products has been a trusted partner in the commercial HVAC industry for over 50 years, helping engineers, contractors, and facility teams design and implement…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 19 | 86 contacts → | ||||
Partial evidence “ClimateCraft® manufactures custom air handling units (AHUs) for Commercial, Education, Government, Healthcare, High Tech Manufacturing and Life Sciences environments.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 20 | 84 contacts → | ||||
Indirect evidence “United Enertech offers custom air control products including, louvers, dampers, roof curbs, diffusers and many more.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 21 | 78 contacts → | ||||
Partial evidence “Air Enterprises designs, engineers and manufactures custom air handling solutions to meet any system configuration or space requirement.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 22 | 73 contacts → | ||||
Partial evidence “Manufacturers of Air Handling Equipment for the industrial, heavy commercial, and mission critical HVAC Industry: Computer Room Air Handlers, Multi-Mode Evaporative Cooling for…” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 23 | 71 contacts → | ||||
Indirect evidence “Innovent Air Handling Equipment has provided building ventilation solutions for over 30 years.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 24 | 68 contacts → | ||||
Indirect evidence “Lomanco was established in 1946 and provides a complete line of quality products meeting your ventilation requirements while protecting other costly building components.” Source: RevenueBase Database · checked Sep 30, 2026Thanks. The Data Team will review it. | |||||
| 25 | 58 contacts → | ||||
Indirect evidence “Established in 1969, Air-Tec offers a comprehensive range of design, custom manufacturing and installation expertise.” Source: RevenueBase Database · checked Sep 30, 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: adu manufacturers. 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 adu manufacturers.
- Partial evidence
- Its own public description names part of adu manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name adu manufacturers. 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 25 of 222 adu manufacturers based in the United States
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Adu manufacturers based in the United States at a glance
As of Sep 30, 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 222 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 adu manufacturers, 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 the United States whose own description of what they do matches “adu manufacturers”. 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 adu manufacturers), 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 adu manufacturers, and records with no verified work email. Companies headquartered outside United States 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, 5,857 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 30, 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.
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 adu manufacturers, 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 adu manufacturers are there based in the United States?
RevenueBase identified 222 adu manufacturers headquartered in the 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?
Daikin Applied Americas, headquartered in Minneapolis, tops this list with the largest team on record.
Which city has the most adu manufacturers?
Houston leads with 7 headquartered companies, followed by Minneapolis (7) and Fort Worth (4).
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 5,857 verified decision-maker contacts tracked across these 222 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 30, 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.