of the aerospace sector. The 25 detailed subgroups are used to provide more industry detail in an accompanying digital directory of aerospace and aviation firms operating in the region. In preparing the economic impact estimates, aerospace establishments are classified into eight major groups as detailed in Figure 2. Figure A1. Aerospace Industry Classifications - Greater OKC Region Group Subgroups 1. Air Transportation Airport Services & Support Aircraft Finance, Title, Leasing, and Sales Aircraft Fleet Ownership and Rental Airports
Airport Ground Transportation Air Passenger Transportation Medical Flight Air Freight and Cargo Aviation Education and Training Flight Training Software and Information Technology
2. Education and Training
3. Engineering, Consulting, Program
Management, and Logistics
Engineering, Consulting, and R&D General Contracting Logistics, Supply Chain, and Customer Support
4. Government
State and Local Government Federal Government
5. MRO
Maintenance, Repair, and Overhaul
6. Manufacturing
Aircraft Parts and Components Manufacturing Unmanned Aerial Systems Aircraft Manufacturing
7. Supplies and Materials
Parts and Components Tools and Supplies
8. Other
Aerial Services (e.g., Spraying and Photography) Museums Other
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Defining the Private Aerospace Sectors The 2025 report continues to provide a state-level evaluation of the aerospace sector that includes both the public and private sectors. State-level comparisons of aerospace activity often focus solely on private sector activity and overlook a large segment of the industry in the Greater OKC region. To prepare a framework for valid comparison across states, we first use standard NAICS codes to define the core set of industry sectors that comprise the private aerospace industry. This approach is commonly used in other comparative state-level studies of the aerospace sector. Moreover, this standardized approach using NAICS codes is necessary because the firm-level data collection process used to prepare the industry profile for the Greater Oklahoma City region is not feasible for all states and the nation. Three NAICS industry sectors – 3364 (Aerospace Product and Parts Manufacturing), 481 (Air Transportation), and 4881 (Support Activities for Air Transportation) – are viewed as comprising the core of the private sector aerospace industry. Two of the components are 4-digit sectors (3364 and 4881) while the third (481) is a more aggregated 3-digit sector. The three core sectors serve as a highly useful proxy for the overall private component of the
Greater OKC Region Aerospace and Aviation - 2025
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