SEI GROUP INC
SEI GROUP INC is a federal contractor, registered under UEI VMLJB3E2LLT6 and CAGE code 1DBN4. It has been awarded $398,477,150 in federal contracts. Primary work spans Computer Systems Design Services, Commercial and Institutional Building Construction, and Engineering Services. Top awarding agencies include Department Of Defense, National Aeronautics And Space Administration, and Department Of Commerce.
Contact Information
Registration and classification details
Registration
UEI Code
VMLJB3E2LLT6CAGE Code
1DBN4Entity 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
SEI GROUP INC specializes in integrated facility modernization and mission-critical systems design, delivering end-to-end solutions that bridge physical infrastructure with digital control systems. The contractor excels in design-build construction for federal facilities, including HVAC upgrades, ut...
SEI GROUP INC specializes in integrated facility modernization and mission-critical systems design, delivering end-to-end solutions that bridge physical infrastructure with digital control systems. The contractor excels in design-build construction for federal facilities, including HVAC upgrades, utility monitoring and control system (UMCS) installations, and electric vehicle supply equipment (EVSE) deployments. Complementing this, they provide advanced computer systems design services, implementing secure, scalable IT infrastructure for defense and federal sites—particularly in environments requiring classified data handling, such as DD254-compliant operations and international military installations. Their technical proficiency spans building automation, energy management systems, and integrated facility engineering, with a demonstrated ability to execute complex renovations under stringent security and compliance protocols. The company maintains a strong, recurring relationship with the Department of Defense, supporting base-wide infrastructure upgrades and secure systems integration at key installations like Fort Bragg and overseas facilities. They also deliver construction and EVSE implementation services to the General Services Administration under governmentwide IDIQ contracts, indicating a trusted role in federal realty modernization. A single contract with the Department of the Interior further confirms their capability to support environmental and land management agency needs through design-build construction. SEI GROUP INC operates primarily under NAICS 236220 for commercial and institutional construction and 541512 for computer systems design, positioning them as a dual-capability contractor in facility infrastructure and embedded systems engineering. Their market focus is on federal facility modernization, energy resilience, and secure IT integration—particularly in defense and public works environments. As a 2L entity based in Huntsville, Alabama, SEI GROUP INC is a mid-sized contractor with deep regional ties to defense and federal infrastructure markets. While they hold no formal government certifications, their consistent performance on complex, multi-agency projects demonstrates operational reliability and technical competence in high-stakes federal environments.
Key Performance Metrics
Awards Count
460
All time
Active
3
Currently performing
Completed
457
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
Compete with SEI GROUP INC
Track the contractors you bid against, and the work they win
Award history, agency mix, and NAICS coverage for SEI GROUP INC
AI-powered matching against your own capabilities and past performance
Teaming and subcontracting signals on every award
Automated alerts when a competitor wins in your market
Join 750+ contractors already using CLEATUS
