Company lists · Data refreshed September 2026
Top 25 Greenhouse ventilation systems based in the United States
RevenueBase identified 57 greenhouse ventilation systems headquartered in the United States as of September 2026 and tracks 693 professional contacts across them, including 273 with verified work emails. Jacksonville is the largest hub.
This list covers greenhouse ventilation systems 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 20, 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 greenhouse ventilation systems based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 76 contacts → | ||||
Partial evidence “Dee Cramer is one of Michigan's most trusted names in heating, cooling and ventilation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 73 contacts → | ||||
Indirect evidence “QC Manufacturing, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 71 contacts → | ||||
Strong evidence “Accurex specializes in energy-efficient ventilation systems-for restaurants and other food service establishments.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 46 contacts → | ||||
Indirect evidence “J&D Manufacturing, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 36 contacts → | ||||
Partial evidence “Aircuity is the 25-year leader optimizing ventilation through its patented platform, helping clients decarbonize while improving the indoor environmental quality for occupants.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 32 contacts → | ||||
Strong evidence “At Attic Breeze, we manufacture professional-grade solar powered attic ventilation systems engineered for long-term durability and high performance.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 30 contacts → | ||||
Strong evidence “Link4 Corporation builds the systems that power modern cultivation - smart greenhouse controls, automated irrigation, custom OEM solutions, and licensed electrical installations…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 28 contacts → | ||||
Strong evidence “Founded in 1928, American Coolair Corporation is a manufacturer of premium ventilation and evaporative cooling systems for the agricultural, greenhouse, commercial and industrial…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Partial evidence “Supplying efficient ventilation products and solutions is what drives us, as does simplifying residential and commercial ventilation installers’ job.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 23 contacts → | ||||
Partial evidence “With over 44 years of unparalleled experience, BioTherm has been at the forefront of revolutionizing greenhouse climate technology.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 20 contacts → | ||||
Indirect evidence “Metal buildings are structures that withstand the elements to protect the employees, products and materials housed inside.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 15 contacts → | ||||
Partial evidence “As the first name in greenhouse automation in North America, we continue to imagine and invent new solutions and technology.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 14 contacts → | ||||
Strong evidence “Zehnder is a leading provider of energy-efficient indoor climate solutions, specializing in high-quality balanced indoor ventilation systems.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 11 contacts → | ||||
Partial evidence “GrowSpan is the horticultural industry’s premier greenhouse manufacturer, offering quality growing structures and expert advice for any commercial, professional or hobby growing…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 11 contacts → | ||||
Strong evidence “Techmark designs complete computerized ventilation systems for vegetables, fruits and mushrooms world wide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 9 contacts → | ||||
Indirect evidence “Tamarack Technologies is a leader in improving year round residential indoor air quality while reducing the carbon footprint.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 8 contacts → | ||||
Partial evidence “At Prins USA, we specialize in integrated greenhouse manufacturing projects, while also offering cutting-edge installation technology, internal transport solutions, and climate…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 7 contacts → | ||||
Strong evidence “Automated Fenestration Inc (AFI) is a leader in actuator & control systems for natural ventilation and smoke evacuation of windows and skylights.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Partial evidence “For over 20 years, we have been serving the North American commercial greenhouse and horticulture industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “OmniPV is a leader in engineering solar-powered solutions that enhance airflow, improve air quality, and reduce energy consumption across diverse applications-from home…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “AirScape was started in 2006 by a small team of HVAC engineers with a passion for green building.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 5 contacts → | ||||
Partial evidence “We design HVAC systems tailored to meet the needs of your indoor farm, allowing growers to manage plant responses, improve crop productivity, and increase profitability.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 5 contacts → | ||||
Indirect evidence “ZOO Fans is a manufacturer and distributor of innovative fans and smart controls in three categories:+ Destratification Fans for open ceilings and drop ceilings, from 8'-100'+.” Source: RevenueBase Database · checked Sep 20, 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: greenhouse ventilation systems. 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 greenhouse ventilation systems.
- Partial evidence
- Its own public description names part of greenhouse ventilation systems, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name greenhouse ventilation systems. 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 57 greenhouse ventilation systems based in the United States
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 273 reachable decision-makers.
Free signup · no credit card
Greenhouse ventilation systems based in the United States at a glance
As of Sep 20, 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 57 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 greenhouse ventilation systems, 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 “greenhouse ventilation systems”. 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 greenhouse ventilation systems), 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 greenhouse ventilation systems, 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, 273 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 20, 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 greenhouse ventilation systems, 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 greenhouse ventilation systems are there based in the United States?
RevenueBase identified 57 greenhouse ventilation systems 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?
DEE Cramer, INC, headquartered in Holly, tops this list with the largest team on record.
Which city has the most greenhouse ventilation systems?
Jacksonville leads with 3 headquartered companies, followed by Temecula (3) and Houston (2).
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 273 verified decision-maker contacts tracked across these 57 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 57 greenhouse ventilation systems based in the United States. Start with a free account, no credit card.
Download this list →Related lists
Greenhouse ventilation systems by geography
- Greenhouse ventilation systems based in Belgium
- Greenhouse ventilation systems based in Brazil
- Greenhouse ventilation systems based in Canada
- Greenhouse ventilation systems based in Denmark
- Greenhouse ventilation systems based in France
- Greenhouse ventilation systems based in Germany
- Greenhouse ventilation systems based in Italy
- Greenhouse ventilation systems based in the Netherlands
- Greenhouse ventilation systems based in Spain
- Greenhouse ventilation systems based in Sweden
- Greenhouse ventilation systems based in the United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Greenhouse ventilation systems based in Belgium
- Greenhouse ventilation systems based in Brazil
- Greenhouse ventilation systems based in Canada
- Greenhouse ventilation systems based in Denmark
- Greenhouse ventilation systems based in France
- Greenhouse ventilation systems based in Germany