Company lists · Data refreshed September 2026
Top 25 Soil-less growing system consultants based in the United States
RevenueBase identified 250 soil-less growing system consultants headquartered in the United States as of September 2026 and tracks 2,796 professional contacts across them, including 718 with verified work emails. Los Angeles is the largest hub.
This list covers soil-less growing system consultants 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 22, 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 soil-less growing system consultants based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 627 contacts → | ||||
Indirect evidence “Agritecture is a global advisory firm specializing in climate-smart agriculture and controlled environment agriculture (CEA).” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 344 contacts → | ||||
Indirect evidence “About Us Sun Gro Horticulture is one of the most prominent North American horticultural companies, employing over 800 staff and serving customers worldwide.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 229 contacts → | ||||
Indirect evidence “Hawthorne Gardening Co, is North America’s largest distributor of hydroponic products.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 180 contacts → | ||||
Indirect evidence “GrowGeneration is the nation’s largest specialty retailer and distributor serving commercial hydroponic, controlled environment agriculture (CEA), and specialty cultivation…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 147 contacts → | ||||
Indirect evidence “Hydrofarm is a leading distributor and manufacturer of hydroponics equipment and supplies for controlled environment agriculture, including high intensity grow lights, climate…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 105 contacts → | ||||
Partial evidence “Gardyn is the new and easiest way to turn any space into a thriving hydroponic indoor gardening system, whether it’s your home, office, or even a commercial kitchen.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 92 contacts → | ||||
Indirect evidence “At Speedling we are motivated by our customers’ success.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 58 contacts → | ||||
Partial evidence “AdeptAg is the North American leader in turnkey design, automation solutions, controls, irrigation systems, and services for any of your controlled environment production needs.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 46 contacts → | ||||
Indirect evidence “Marion Ag has been finding ways to help growers and resellers grow their business for over 50 years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 43 contacts → | ||||
Indirect evidence “Having been in business for over 20 years, Greencoast Hydroponics truly understands the importance of providing our customers with the best service and retail experience.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 43 contacts → | ||||
Indirect evidence “Rough Brothers Inc.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 41 contacts → | ||||
Indirect evidence “Stuppy is proud to be one of North America’s top greenhouse companies.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 32 contacts → | ||||
Indirect evidence “We are AddLife, a detailed plant service.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 31 contacts → | ||||
Indirect evidence “Greenery NYC is a botanic design, installation, & maintenance company based in Brooklyn, NY.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 30 contacts → | ||||
Partial 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 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 30 contacts → | ||||
Partial evidence “Nexem is an engineering and consulting company that provides expertise and solutions to customers growing indoors in controlled environments.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 contacts → | ||||
Indirect evidence “As plant cultivation experts, Botanicare is dedicated to providing superior products, expert advice and support to help growers produce better crops.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Partial evidence “American Hydroponics (AmHydro) has been a leader in commercial hydroponic systems and horticultural consulting for over 30 years.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 21 contacts → | ||||
Partial evidence “For over 40 years, CropKing has been the leader in controlled environment agriculture, greenhouse manufacturing and hydroponic systems.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 18 contacts → | ||||
Indirect evidence “Lettuce Grow is a sustainable food company that is an initiative of the Farm Project.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 17 contacts → | ||||
Strong evidence “bio365 creates innovative growing media and systems optimized for Controlled Environment Agriculture.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 15 contacts → | ||||
Indirect evidence “Global Garden offers efficient cultivation solutions through a variety of products and services offered for small to commercial sized cultivators.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 15 contacts → | ||||
Partial evidence “Eden Grow Systems is an AgTech company founded in May 2017, that focuses on closed-system ecological design.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 14 contacts → | ||||
Indirect evidence “HYC is a global leader and advocate in the acceptance and development of both the cannabis and hemp industries.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 12 contacts → | ||||
Indirect evidence “Our mission is to make a better world by supporting growers to produce sustainable healthy food.” Source: RevenueBase Database · checked Sep 22, 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: soil-less growing system 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 soil-less growing system consultants.
- Partial evidence
- Its own public description names part of soil-less growing system consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name soil-less growing system 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 25 of 250 soil-less growing system consultants based in the United States
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Soil-less growing system consultants based in the United States at a glance
As of Sep 22, 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 250 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 soil-less growing system 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 the United States whose own description of what they do matches “soil-less growing system 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 soil-less growing system 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 soil-less growing system consultants, 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, 718 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 22, 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 soil-less growing system 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 soil-less growing system consultants are there based in the United States?
RevenueBase identified 250 soil-less growing system consultants 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?
Agritecture, headquartered in New York, tops this list with the largest team on record.
Which city has the most soil-less growing system consultants?
Los Angeles leads with 8 headquartered companies, followed by Denver (7) and New York (5).
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 718 verified decision-maker contacts tracked across these 250 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 22, 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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