Company lists · Data refreshed November 2026

Top 25 Compost and soil amendment nonprofits based in the United States

RevenueBase identified 524 company matches for compost and soil amendment nonprofits associated with the United States as of November 2026 and tracks 4,480 professional contacts across them, including 1,495 with verified work emails. Denver is the largest hub.

This list covers company matches for compost and soil amendment nonprofits associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
524Companies
4,480Contacts tracked
1,495Verified emails
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The 25 largest compost and soil amendment nonprofits based in the United States

Ranked by team size
Top 25 of 524 company matches for compost and soil amendment nonprofits based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchAgawam, MA, United StatesHQ recorded Nov 6, 2026501-1,000380 contacts →

Exact match

“About Us Sun Gro Horticulture is one of the most prominent North American horticultural companies, employing over 800 staff and serving customers worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchRussellville, AR, United StatesHQ recorded Nov 6, 20261,001-5,000332 contacts →

Exact match

“We’re on a mission to replenish the earth by unlocking the value of unconsumed organic materials, transforming them into sustainable solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCarson, CA, United StatesHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Founded in 1925 by H.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIndependence, OH, United StatesHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“Kurtz Bros, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026201-50093 contacts →

Exact match

“Since 1985, Living Earth has been a trusted name in landscaping and gardening, leading the way in recycling green waste and manufacturing premium organic mulch, compost, soil…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCary, VA, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“McGill Environmental Systems is a pioneer and industry leader in the composting industry, transforming organic waste material into soil enrichment products.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchGalena Park, TX, United StatesHQ recorded Nov 6, 202651-20068 contacts →

Exact match

“Since 1964, American Plant Food has been providing the high-quality blends, inputs, and services required for healthy soil, as well as the knowledge growers need to achieve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFort Worth, TX, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Silver Creek Materials is a mining and composting operation in West Fort Worth, Texas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMiddlefield, CA, United StatesHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“We believe agriculture can be a force for good for both the environment and those who rely on it for their livelihoods.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHutto, TX, United StatesHQ recorded Nov 6, 2026201-50057 contacts →

Exact match

“Austin Wood Recycling (AWR) has rooted itself in service since 1987, cultivating a family-owned atmosphere in the pursuit of responsible stewardship of the land.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFremont, CA, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Let's Grow Together”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPortland, ME, United StatesHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“Coast of Maine Organic Products was founded in 1996 with the simple idea that a healthy planet needs healthy soil to sustain life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchCleveland, CT, United StatesHQ recorded Nov 6, 2026201-50046 contacts →

Exact match

“For over four decades, Garick has been a trusted name in distributing and processing renewable natural resource products across the U.S.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchOxnard, CA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Agromin, with facilities throughout California, manufactures earth-friendly soil products for farmers, government entities, landscapers and gardeners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Founded in 1994, The Ground Up (TGU) began with a simple goal: to supply the industry with the finest quality mulches and soils.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrooklyn, United StatesHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“As Big Reuse and Big Initiatives, we are passionate about developing solutions to help fight climate change.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchForest Hill, TX, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“The Organic Recycler recycles organic landscape waste into mulch, compost, and blended soils.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSpartanburg, SC, United StatesHQ recorded Nov 6, 2026201-50033 contacts →

Exact match

“Atlas Organics processes organic waste for municipalities, corporations, and residential properties.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAmbridge, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“PittMoss produces next-generation gardening amendments and mixes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchValley Park, MO, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“As any seasoned gardener or landscaper knows, the most important thing you can do to enhance a lawn or garden is to cultivate better soil.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLongview, WA, United StatesHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Since 1928 we've provided the highest quality products and services to our customers, focusing heavily on recycling and sustainability of organics.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchNy, United StatesHQ recorded Nov 6, 20261-1027 contacts →

Exact match

“About Earth Matter NY: Earth Matter NY Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMckinleyville, CA, United StatesHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“From humble beginnings, with a shovel and some bags, as the first exclusively coco fiber based soil company in California, Royal Gold has become the gold standard in coco fiber…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNorthampton, MA, United StatesHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“We see a future of thriving farms and gardens producing healthy, nutrient-dense food in great abundance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMaple Park, IL, United StatesHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Midwest Trading is a wholesale supplier leading the Green Industry in Chicagoland with sustainable products for over 35 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 524 compost and soil amendment nonprofits based in the United States

See the full list, filter by size, metro and specialty, and access 1,495 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Compost and soil amendment nonprofits based in the United States at a glance

As of Nov 6, 2026
33.4%Verified-email coverage
8.5Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · Denver
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
316
11-50
152
51-200
44
201-500
7
501-1,000
1
1,001-5,000
1
10001+
1

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 524 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “compost and soil amendment nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,495 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “compost and soil amendment nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many compost and soil amendment nonprofits are there based in the United States?

RevenueBase identified 524 company matches for compost and soil amendment nonprofits associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

SUN GRO Horticulture tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most compost and soil amendment nonprofits?

Denver leads with 7 company records, followed by New York (7) and Seattle (7).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,495 professional contacts with verified work emails tracked across these 524 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.