Company lists · Data refreshed September 2026
Top 25 Indoor air quality monitoring software companies based in the United States
RevenueBase identified 500 indoor air quality monitoring software companies headquartered in the United States as of September 2026 and tracks 5,889 professional contacts across them, including 2,580 with verified work emails. San Francisco is the largest hub.
This list covers indoor air quality monitoring software companies 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 28, 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 indoor air quality monitoring software companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 474 contacts → | ||||
Strong evidence “Headquartered in Madison, Wisconsin with production facilities in both Madison and Poynette, AprilAire has been providing a variety of Indoor Air Quality solutions and technology…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 297 contacts → | ||||
Indirect evidence “Reducing emissions, detecting leaks, mitigating risk, optimizing operations, ensuring compliance and advancing research are some of the challenges facing our clients.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 175 contacts → | ||||
Indirect evidence “When you need to monitor your cleanroom for contamination, Lighthouse is your premier solution provider.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 139 contacts → | ||||
Partial evidence “Touchstone IQ is a leading-edge building energy management software & services company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 127 contacts → | ||||
Strong evidence “Green Home Solutions is proud to bring products and services for the quality indoor air you want for your home and family.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 107 contacts → | ||||
Indirect evidence “Clockworks Analytics is an essential smart building intelligence platform that helps facilities professionals and their service providers gain visibility into the biggest issues…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 100 contacts → | ||||
Indirect evidence “At 75F, we design and build smart sensors and controls to make commercial buildings more comfortable and efficient than ever before.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 95 contacts → | ||||
Partial evidence “Locus Technologies is the only scientist-driven software company at the nexus of analytical and field data management, Environmental, Health, and Safety (EHS) compliance, and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 84 contacts → | ||||
Indirect evidence “Protect Environmental is a national leader in the environmental consulting and construction industry, focusing on radon and chemical vapor intrusion management.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 82 contacts → | ||||
Strong evidence “WHO WE ARE: Koch Filter is a leading manufacturer of indoor air filtration solutions that protect the quality of life for individuals while protecting processes and equipment in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 74 contacts → | ||||
Strong evidence “WellStat is a building intelligence company helping organizations optimize energy performance, improve indoor air quality, and operate more efficient, resilient buildings.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 74 contacts → | ||||
Strong evidence “At the intersection of IAQ, energy, and maintenance, Dynamic Air Quality Solutions provides sustainable air cleaning solutions for new construction and existing buildings that…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 74 contacts → | ||||
Indirect evidence “You track your sleep.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 73 contacts → | ||||
Strong evidence “At Desert Aire we provide customers with indoor air quality solutions that help people live, work and play in healthy and productive environments by optimizing solutions through…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 73 contacts → | ||||
Strong evidence “At Alen, we design premium air purifiers that help people take control of their indoor air quality.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 65 contacts → | ||||
Partial evidence “R-Zero offers smart building technology that delivers real-time insights on optimizing indoor spaces to improve workforce productivity, predict real estate needs, and create…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 64 contacts → | ||||
Strong evidence “Spruce was founded in 1989 with the purpose of making indoor air safer by removing a major health hazard: Radon.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 63 contacts → | ||||
Indirect evidence “Ensuring Health & Safety is Our Mission - We're All In.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 61 contacts → | ||||
Partial evidence “NevadaNano provides safety and climate solutions for many of the world’s largest corporations, with innovative multi-gas sensing products and IIoT automated emissions monitoring…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 57 contacts → | ||||
Partial evidence “Aclima is pioneering an entirely new way to diagnose the health of our air and track climate-changing pollution.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 57 contacts → | ||||
Indirect evidence “Is the health comfort and energy efficiency of facilities at risk?” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 51 contacts → | ||||
Indirect evidence “Located in Upstate NY, we’re a team of experts and industry leaders reimagining the world as a better, safer place.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 51 contacts → | ||||
Indirect evidence “Veris Industries, located in Tualatin Oregon, is a premier provider of environmental sensors and energy management solutions for commercial HVAC, energy management, renewable…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 45 contacts → | ||||
Partial evidence “ChemDAQ’s mission is to empower customers to eliminate workplace exposure to toxic chemicals through innovative monitoring and control solutions, industry-leading partnerships…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 45 contacts → | ||||
Strong evidence “Surgically Clean Air® is trusted by healthcare providers, educators, elite athletes, and professionals who demand the highest standards of indoor air quality.” Source: RevenueBase Database · checked Sep 28, 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: indoor air quality monitoring software companies. 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 indoor air quality monitoring software companies.
- Partial evidence
- Its own public description names part of indoor air quality monitoring software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name indoor air quality monitoring software companies. 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 500 indoor air quality monitoring software companies based in the United States
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Indoor air quality monitoring software companies based in the United States at a glance
As of Sep 28, 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 500 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 indoor air quality monitoring software companies, 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 “indoor air quality monitoring software companies”. 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 indoor air quality monitoring software companies), 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 indoor air quality monitoring software companies, 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, 2,580 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 28, 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 indoor air quality monitoring software companies, 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 indoor air quality monitoring software companies are there based in the United States?
RevenueBase identified 500 indoor air quality monitoring software companies 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?
Aprilaire, headquartered in Madison, tops this list with the largest team on record.
Which city has the most indoor air quality monitoring software companies?
San Francisco leads with 11 headquartered companies, followed by Austin (8) and New York (7).
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 2,580 verified decision-maker contacts tracked across these 500 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 28, 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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