Leco

Leco, often stylized LECO, may refer to the LECO Corporation, an American manufacturer of analytical instrumentation. The company designs and sells systems for material characterization and chemical analysis used in research, quality control, and industry laboratories. Core product lines include elemental analyzers for carbon, sulfur, nitrogen, and hydrogen; spectroscopy and mass spectrometry systems; chromatography equipment; and related data analysis software. Applications span metals and alloys, environmental monitoring, food and agriculture, geology and mining, plastics and polymers, and life sciences. The company operates globally with manufacturing, service, and support networks and maintains a portfolio of brands and partnerships across regions.

Beyond the company, Leco is a surname found in various cultures. The term may also appear in other, less common uses or as part of names and titles in different languages. In general, it denotes multiple, distinct topics rather than a single universal subject.