LiqTech International Inc (NYSE American: LIQT) is a filtration technology company that manufactures and sells silicon carbide membrane filters and systems used in liquid and gas purification. Revenue is generated through transactional product sales of filtration membranes, ceramic filters, and related systems to industrial and environmental end markets. The company acknowledges dependence on a few major customers, making customer concentration a material risk to its revenue base (10-K, filed 2026-02-27, accession 000143774926005983). Operations carry exposure to foreign currency fluctuation, suggesting meaningful international sales activity. The business is subject to changes in emissions and environmental regulations, which drive demand for its filtration products. Raw material sourcing and access to qualified personnel are cited as operational constraints. The filing covers the fiscal year ended December 31, 2025.

Revenue model

Transactional product sales of silicon carbide membrane filters and filtration systems. Revenue is concentrated among a few major customers, as disclosed in the FY2025 10-K risk factors.

Products and services

Silicon carbide membrane filters, ceramic filtration membranes, and liquid and gas purification systems. Specific product revenue breakdowns are not supported by the available filing excerpts.

Customers and end markets

Industrial and environmental end markets. The company is dependent on a few major customers, as stated in the FY2025 10-K. End-market demand is tied to emissions standards and environmental regulations.

Value-chain role

Manufacturer and seller of filtration components and systems. Sits between raw material suppliers and industrial end-users or system integrators.

Geographic exposure

International operations indicated by foreign currency exposure disclosed in FY2025 10-K risk factors. Specific country or regional revenue breakdowns are not supported by the available filing excerpts.

Source: SEC 10-K, filed 2026-02-27

Industry: Misc Industrial & Commercial Machinery & Equipment