N-Viro International, Inc. is an environmental technology company focused on the treatment and beneficial reuse of biosolids and other organic wastes. The company’s core offering, the N-Viro Soil® process, employs thermal and chemical treatments to stabilize sewage sludge, converting it into a dry, pelletized soil amendment. This approach addresses regulatory concerns over pathogens and heavy metals while producing a value-added product suitable for agricultural or land reclamation applications.
Through its engineering and equipment supply services, N-Viro International manages the complete project lifecycle from feasibility studies and system design to installation and start-up. Its treatment systems incorporate patented agitation, drying, and pelletizing technology, enabling municipal wastewater treatment plants and industrial facilities to reduce disposal costs and environmental liabilities. The resulting end products, often marketed under the N-Viro Soil® and N-Viro Earth™ brands, have been used to enrich soils, support landscaping projects, and promote sustainable waste management practices.
Founded in the early 1990s, N-Viro International has its roots in Finland, where its process was first demonstrated at a full-scale municipal facility. Since then, the company has expanded its footprint through licensing agreements and equipment installations across Europe, North America, and select international markets. N-Viro holds key patents in the United States and abroad, positioning it to serve a growing global demand for environmentally responsible biosolids handling and resource recovery solutions.
Headquartered in the United States and traded on the OTC Markets under the symbol NVIC, N-Viro International continues to pursue partnerships with municipalities, engineering firms, and waste management companies. By offering a turnkey treatment solution that transforms waste into a marketable soil amendment, the company aims to contribute to circular economy initiatives and sustainable infrastructure development.
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