Company lists · Data refreshed September 2026
Top 11 Indoor cannabis cultivation companies based in Portland, United States
RevenueBase identified 30 indoor cannabis cultivation companies headquartered in Portland, United States as of September 2026 and tracks 341 professional contacts across them, including 118 with verified work emails. Los Angeles is the largest hub.
This list covers indoor cannabis cultivation companies headquartered in Portland, 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 16, 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 11 largest indoor cannabis cultivation companies based in Portland, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 95 contacts → | ||||
Partial evidence “Established in 2014, Groundworks Industries is made up of the most scientifically-rigorous and elevated brands in cannabis.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 2 | 47 contacts → | ||||
Partial evidence “Cura Cannabis Solutions, one of the largest cannabis brands in America, is on a mission to be the leading provider of cannabis in legal U.S.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 3 | 32 contacts → | ||||
Partial evidence “The Hemp Collect is an US based company specializing in open market cannabis products & inputs for B2B & consumer with a focus on award-winning live resin & exceeding industry…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 4 | 31 contacts → | ||||
Partial evidence “Phylos is a cannabis genetics company focused on helping growers of all sizes to succeed commercially with seeds that produce the highest quality cannabis in the most…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 5 | 22 contacts → | ||||
Partial evidence “Established in 2011, Wellness Connection of Maine operates 3 adult-use (REC) stores and 1 medical cannabis dispensary across the state of Maine.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 6 | 21 contacts → | ||||
Partial evidence “Our pledge is to lead the movement to grow and manufacture cannabis in an environmentally conscious and sustainable way, using processes that develop a better product that is good…” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 contacts → | ||||
Partial evidence “Our founders started growing in their basements in the early during the medical cannabis revolution out of pure love for the plant.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 contacts → | ||||
Partial evidence “We believe in the power of cannabis to improve people's quality of life.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 9 | 3 contacts → | ||||
Partial evidence “Suite Leaf Plant Nutrients produces organic and hydroponic plant fertilizer products for indoor and outdoor gardening systems.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 10 | 3 contacts → | ||||
Indirect evidence “True excellence is art, science and a bit of magic that comes from a phenomenal team.” Source: RevenueBase Database · checked Sep 16, 2026Thanks. The Data Team will review it. | |||||
| 11 | 1 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 16, 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 cannabis cultivation 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 cannabis cultivation companies.
- Partial evidence
- Its own public description names part of indoor cannabis cultivation companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name indoor cannabis cultivation 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 11 of 30 indoor cannabis cultivation companies based in Portland, United States
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Indoor cannabis cultivation companies based in Portland, United States at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Portland, so it is reported there. Company counts and contact totals on this page are exact for Portland, over 30 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 cannabis cultivation 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 Portland, United States whose own description of what they do matches “indoor cannabis cultivation 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 cannabis cultivation 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 cannabis cultivation companies, and records with no verified work email. Companies headquartered outside Portland 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, 118 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 16, 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.
Indoor cannabis cultivation companies by metro in the United States
- Indoor cannabis cultivation companies in Los Angeles77
- Indoor cannabis cultivation companies in Denver61
- Indoor cannabis cultivation companies in Las Vegas37
- Indoor cannabis cultivation companies in Portland30
- Indoor cannabis cultivation companies in New York25
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 cannabis cultivation 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 cannabis cultivation companies are there based in Portland, United States?
RevenueBase identified 30 indoor cannabis cultivation companies headquartered in Portland, 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?
Groundworks Industries, headquartered in Portland, tops this list with the largest team on record.
Which city has the most indoor cannabis cultivation companies?
Los Angeles leads with 77 headquartered companies, followed by Denver (61) and Las Vegas (37).
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 118 verified decision-maker contacts tracked across these 30 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 16, 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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