ORLY vs NOC Comparison

O'Reilly is an aftermarket automotive parts retailer in the United States and Mexico with nearly $16 billion in annual sales. The company operates over 6,000 domestic stores and serves both the do-it-yourself (about 55% of sales) and professional (45% of sales) end markets. Despite operating amid a highly fragmented industry, O'Reilly differentiates itself by providing quality service to its customers throughout the entirety of the vehicle diagnosis and purchasing process. Furthermore, the firm boasts an impressive hub-and-spoke distribution network designed to provide its localized store base with ample aftermarket product availability across a variety of vehicle makes and models.

Northrop Grumman is a diversified defense contractor providing aeronautics, defense, and space systems. The company's aerospace segment creates the fuselage for the massive F-35 program and produces autonomous and piloted aircraft such as Global Hawk drones and the new B-21 bomber. Defense systems makes artillery and missile ammunition and guidance systems, missile defense systems, and maintains and upgrades numerous military aircraft. Mission systems creates and integrates a variety of radar, navigation, and communication systems for avionics, weapons control, and countermeasures on a range of platforms from helicopters to destroyers. Space systems produces satellites, sensors, space structures, and manufactures long-range missiles and rocket motors.