Esterline Technologies Corp is a specialized manufacturing company serving aerospace and defense markets. It designs, produces, and markets engineered products and systems. The company operates in three technology segments: Avionics & Controls, Sensors & Systems, and Advanced Materials. Its products have been implemented into military and commercial aircraft and land-based platforms. Additional sales result from aftermarket repairs and spare parts for existing systems. Esterline has worldwide sales and distribution channels and will try to strengthen customer relationships by targeting specific segments. Approximately half of its revenue is derived from the United States. The remainder of sales come from Canada, France, United Kingdom, and other smaller regions.