SCIENCE AND ENGINEERING SERVICES, LLC
SCIENCE AND ENGINEERING SERVICES, LLC is a federal contractor, registered under UEI E3D7U1KNNJC8 and CAGE code 4Q232. It has been awarded $3,289,169,000 in federal contracts. Primary work spans Aircraft Manufacturing, Other Aircraft Parts and Auxiliary Equipment Manufacturing, and Other Support Activities for Air Transportation. Top awarding agencies include Department Of Defense, Department Of Defense (dod), and Department Of Homeland Security.
Contact Information
Registration and classification details
Registration
UEI Code
E3D7U1KNNJC8CAGE Code
4Q232Entity Structure
Corporate Entity (Not Tax Exempt)Established
N/ABusiness Classifications
NAICS Codes
Federal Contracting Overview
Award totals, agency breakdown, NAICS distribution, and geographic footprint.
AI Capability Profile
SCIENCE AND ENGINEERING SERVICES, LLC specializes in the design, manufacturing, and integration of critical aircraft components and auxiliary systems for military aviation platforms. The company delivers precision-engineered parts including static discharge assemblies, sector locks, seal and slat as...
SCIENCE AND ENGINEERING SERVICES, LLC specializes in the design, manufacturing, and integration of critical aircraft components and auxiliary systems for military aviation platforms. The company delivers precision-engineered parts including static discharge assemblies, sector locks, seal and slat assemblies, cable assemblies, and temperature selectors, primarily supporting the maintenance and modernization of heavy-lift cargo helicopters such as the CH-47F. Their technical expertise spans aerospace manufacturing, avionics integration, and mechanical subsystems fabrication, with a demonstrated ability to produce mission-critical components under stringent defense specifications. The contractor’s capability is distinguished by its focus on high-reliability, low-volume production of complex hardware for legacy and upgraded military rotorcraft systems, ensuring compatibility with existing fleet architectures and operational readiness standards. The company maintains a deep and consistent relationship with the Department of Defense, supplying components for aircraft sustainment, modification work orders, and lifecycle support programs. Their work directly enables fleet modernization efforts, particularly for Army aviation assets, with a focus on parts that enhance safety, aerodynamic performance, and system durability under extreme operational conditions. Industry focus centers on aircraft manufacturing (NAICS 336411) and other aircraft parts and auxiliary equipment manufacturing (NAICS 336413), positioning the firm as a niche supplier within the defense aerospace supply chain. They serve as a specialized manufacturer of non-airframe components critical to flight control, electrical grounding, and structural sealing systems, filling gaps in the defense industrial base for low-volume, high-precision hardware. As a small business entity based in Huntsville, Alabama, SCIENCE AND ENGINEERING SERVICES, LLC operates without federal certifications but leverages its geographic proximity to major defense hubs and deep technical execution capability to support critical DoD aviation programs. The company’s market positioning is defined by reliability in delivering specialized aerospace components under tight operational timelines.
Key Performance Metrics
Awards Count
594
All time
Active
57
Currently performing
Completed
536
Past period of performance
Total Awards
All time
Contracts
Prime · all time
Subcontracts
Sub · all time
Grants
Prime · all time
Subgrants
Sub · all time
Award Analytics & Distribution
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