Esterline Corporation is a specialized manufacturing company serving principally aerospace and defense markets. Esterline management views the companys businesses in three segments related to its set of core competencies: Avionics & Controls, Sensors & Systems, and Advanced Materials. Operations within the Avionics & Controls segment focus on technology interface systems for commercial and military aircraft and similar devices for land- and sea-based military vehicles, secure communications systems, specialized medical equipment, and other high-end industrial applications. The Sensors & Systems segment includes operations that produce high-precision temperature and pressure sensors, fluid and motion control components, and other related systems principally for aerospace and defense customers. Advanced Materials focuses on process related technologies including high-performance elastomer products used for a wide range of military and commercial aerospace purposes and combustible ordnance and electronic warfare countermeasure products.