This research service focuses on US Department of Defense (DoD) contracting information for the research, development, test, and evaluation; procurement; and operations and maintenance categories.The analyst has segmented contracting data by military department and overall leading firms.The data and insight provided are fiscal year 2021 DoD contracting information. DoD contracts reflect the department’s goals to sustain the force, modernize networks, and develop more lethal and longer-range weapons systems to deter potential adversaries. Contract data is an estimate drawn from DoD published information and does not include classified information.Budget requests include base, overseas contingency operations, and emergency categories. Segmentation and contracting estimates are made at the analyst’s discretion. The purpose of this study is to discuss the leading DoD contractors.The market is mature and stable.This study will outline and provide commentary regarding competitive firms and contracting trends.The main goals are to understand the current state of the DoD competitive environment, leading companies and technology areas, and opportunities to participate in the DoD market. Author: Brad Curran