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This section provides an overview for composters as well as their applications and principles. Also, please take a look at the list of 19 composter manufacturers and their company rankings. Here are the top-ranked composter companies as of April, 2026: 1.TOPMAKE ENVIRONMENT GROUP CO.,LTD, 2.Otto Graf GmbH, 3.Sartori Ambiente Srl.
Table of Contents
A composter is a container or device that facilitates the fermentation and decomposition of organic materials, like vegetable scraps and fallen leaves, into compost using microorganisms. Composting technology has evolved significantly in modern times. Compost from composters is widely used in home gardens and agriculture. It is recognized for its waste reduction and carbon dioxide emission reduction capabilities.
Composters are utilized both in homes and agriculture for converting organic waste into nutrient-rich compost.
At home, composters transform kitchen waste into compost for use in vegetable gardens and other gardening applications.
In agriculture, composters contribute to crop growth and produce quality, especially in organic farming. They also enable effective waste utilization and cost reduction by composting unused crop parts and leaf scraps.
Composters decompose organic material into nutrient-rich compost, reducing food waste and CO2 emissions. They are relatively easy to use, with no complex processes involved.
The composting process can be time-consuming, with some models requiring regular turning over several months. Also, non-biodegradable materials like plastics cannot be composted. Incorrect balance of materials and moisture may lead to odors and pest issues.
Installed Composters: Common in households, these are often bucket-shaped, bottomless containers made of plastic, available in various sizes. Sealed Composters: Airtight models prevent outside air exposure, allowing for decomposition with added fermentation accelerators and liquid fertilizer collection.
Rotary Composters: These can be manually rotated, simplifying the stirring process.
Cardboard Composters: Made from cardboard boxes, they are easy to assemble and inexpensive but require frequent replacement.
Large-scale agricultural composters can process significant amounts of food waste daily, aiding in waste reduction and resource recycling. Some models also recycle septic tank sludge into compost, enriching farmland soil.
Household composters typically range from $35 to $70. In contrast, agricultural composters, often large-scale equipment, can exceed $50,000.
*Including some distributors, etc.
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ORBIS Corporation was founded in 1849 and is headquartered in Oconomowoc, Wisconsin, USA, as a manufacturer of packaging and containers. The product list of the company includes nesting containers, stack and nest, beverage crates, nestable plastic pallets, and stackable plastic pallets, among others. The company also provides services such as engineering services, reusable packaging management, commercial services, and recycling with ORBIS. The products offer efficient and space-saving storage solutions that enhance material handling and logistics efficiency, while the services help industries optimize the packaging and sustainability practices. The company serves various industries, including agriculture, automotive, bakery, beverage, dairy, and e-commerce.
TMK, established in 2003 and headquartered in Jiangsu, China, is a manufacturer of organic composting machines and environmental equipment. The company's organic composting machines convert organic waste into bio-fertilizers and planting media, serving residential and institutional clients. It offers various composters, from household units (TMK-1, TMK-2, TMK-5) to commercial models (TMK-30 to TMK-5000). It also provides reverse osmosis systems and plastic waste sorting solutions. To address food waste, the company also offers automatic composting solutions for hotels, schools, and agricultural sites. Its composting accelerators convert organic waste into compost, biofuel, and animal feed within 24 hours.
Sartori Ambiente Srl, established in 1996 and located in Arco, Italy, is a manufacturer of separate waste collection systems and containers. The company makes identification systems, polyethylene bags, wheeled containers, digital composters, and container reading management portals. The products are used in organic waste management, separate waste collection, PAYT, and used vegetable oil collection. It has EMAS, UNI EN ISO 9001:2015, OK COmpost TUV, FSC, and UNi EN ISO 14001:2015 certifications. The company has affiliations such as PAYT Italia, habitech, iswa, and Club Nuova Ecologia.
Garantia, based in Teningen, Germany, is a supplier of rainwater harvesting systems and water management solutions and is a trade brand of Otto Graf GmbH. Its products include rainwater tanks, composters, septic tanks, and garden products, and 75% are made from recycled material. The products are manufactured at the Graf locations in Teningen and Neuried, while the recycled raw material is produced in Herbolzheim. The company offers a manufacturer warranty of up to 20 years. In 2000, it published its first catalog, and in 2001, it added the composter to its garden range of products.
Ranking as of April 2026
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | TOPMAKE ENVIRONMENT GROUP CO.,LTD |
8.0%
|
| 2 | Otto Graf GmbH |
6.3%
|
| 3 | Sartori Ambiente Srl |
5.9%
|
| 4 | Lomi |
5.9%
|
| 5 | EcoDisposer Shenzhen Technology Co.,Ltd |
5.5%
|
| 6 | Jiangsu Mingxuan Environmental Protection Technology Co.,Ltd |
5.5%
|
| 7 | EcoRich |
5.5%
|
| 8 | TOGO Composter |
5.5%
|
| 9 | Mantis |
5.5%
|
| 10 | VATYA |
5.1%
|
Derivation Method
The ranking is calculated based on the click share within the composter page as of April 2026. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
6 | 35.3% |
|
China
|
5 | 29.4% |
|
Canada
|
2 | 11.8% |
|
Germany
|
1 | 5.9% |
|
India
|
1 | 5.9% |
|
Finland
|
1 | 5.9% |
|
Israel
|
1 | 5.9% |
