Sei Group Inc.
Huntsville, AL
- UEI
- VMLJB3E2LLT6
- CAGE
- 1DBN4
- Primary NAICS
- 541330 Engineering Services
- SAM.gov registration
- Active through
Company facts
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- NAICS codes registered in SAM.gov
-
- 541330 Engineering Services Primary
- 221112 Fossil Fuel Electric Power Generation
- 221114 Solar Electric Power Generation
- 221115 Wind Electric Power Generation
- 221122 Electric Power Distribution
- 221330 Steam and Air-Conditioning Supply
- 236210 Industrial Building Construction
- 236220 Commercial and Institutional Building Construction
Show all
- 237120 Oil and Gas Pipeline and Related Structures Construction
- 237130 Power and Communication Line and Related Structures Construction
- 237310 Highway, Street, and Bridge Construction
- 238220 Plumbing, Heating, and Air-Conditioning Contractors
- 334512 Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use
- 336414 Guided Missile and Space Vehicle Manufacturing
- 518210 Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541310 Architectural Services
- 541512 Computer Systems Design Services
- 541519 Other Computer Related Services
- 541611 Administrative Management and General Management Consulting Services
- 541614 Process, Physical Distribution, and Logistics Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990 All Other Professional, Scientific, and Technical Services
- 561210 Facilities Support Services
- 561621 Security Systems Services (except Locksmiths)
- 562910 Remediation Services
- SAM.gov registration date
- Physical address
- 704 Adams St SE, Huntsville, AL 35801, USA
- Website
- seigroupinc.com
- Founded
- 1997
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
-
- Industrials
- Capital Goods
- Construction & Engineering
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Recent federal awards
| Award | Agency | Obligated | Awarded |
|---|---|---|---|
| For maintenance and services of umcs, naval calibration lab (NCL) (precision measurement equipment laboratories) guam… | Engineering Support Center Huntsville | $211,003 | |
| Procurement and installation national defense university eisenhower hall building 59 fort mcnair, DC | Engineering Support Center Huntsville | $1,300,520 | |
| Application of funds to new contract vehicle to facilitate payment on previous acquisition due to a systems issue. | Air Force Installation Contracting Agency | $45,615 | |
| FT. Liberty, NC bldg. O-1900 m fire alarm system repair | Engineering Support Center Huntsville | $2,807,047 | |
| Preventative and corrective maintenance at royal malaysian air force station butterworth penang, malaysia. | Engineering Support Center Huntsville | $554,702 |
About Sei Group Inc.
Sei Group Inc. is a minority-owned, self-certified small disadvantaged business based in Huntsville, Alabama, that has established itself as a significant federal contractor specializing in facility construction, maintenance, and management services. The company holds an active registration in SAM.gov and maintains a diverse portfolio of indefinite delivery contracts and delivery orders across multiple federal agencies. Sei Group Inc. has successfully positioned itself as a prime contractor on numerous facility-related projects, with particular strength in providing comprehensive infrastructure solutions to the Department of Defense and other federal civilian agencies. The company's service offerings encompass HVAC system installation and maintenance, utility monitoring and control systems, fire protection and alarm systems, electrical services, emergency generator installation, and general construction and renovation work across federal installations both domestically and internationally.
The company's past federal contract awards demonstrate extensive experience delivering specialized facility services across the Department of Defense enterprise and civilian federal agencies. Sei Group Inc. has executed delivery orders valued at over $30 million for core services including preventive and corrective maintenance of utility monitoring and control systems and HVAC systems at naval facilities, such as the $1.44 million contract for maintenance work at the Naval Calibration Laboratory in Yigo, Guam, and the $10.1 million award for utility monitoring and control system and HVAC upgrades at Fort Liberty, North Carolina. The company has also performed electronic security system installation services, including a $1.34 million delivery order under a total small business set-aside for procurement and installation at National Defense University's Eisenhower Hall at Fort McNair, Washington, D.C. Additional significant awards include a $2.8 million delivery order for fire alarm system repair at Fort Liberty, North Carolina; a $6.07 million engagement for preventive and corrective maintenance services at Royal Malaysian Air Force Station Butterworth in Penang, Malaysia; and a $1.73 million delivery order for renovation of chillers at a U.S. Department of Commerce facility in Lexington, Kentucky, under a total small business set-aside designation. Sei Group Inc. has also provided specialized infrastructure services including emergency generator and uninterrupted power supply system installation for the Defense Finance and Accounting Service facility in Bratenahl, Ohio, and chiller installation work at the National Center for Credibility Assessment in Fort Jackson, South Carolina. Funding agencies for these awards span the Department of the Army, Navy, Air Force, Defense Counterintelligence and Security Agency, General Services Administration, Defense Finance and Accounting Service, and the Department of Commerce, with many contracts utilizing the company's status as a small disadvantaged business through various set-aside designations.
Sei Group Inc. maintains six active indefinite delivery vehicle contracts that position the company as a prime contractor capable of delivering substantial facility services and construction capabilities across the federal government. The company holds a $2.1 billion Utility Monitoring and Control Systems Fifth Generation (UMCS-V) indefinite delivery/indefinite quantity contract awarded by the U.S. Army Corps of Engineers, which serves as the parent vehicle for numerous delivery orders and enables federal agencies to procure facility services across multiple Department of Defense installations. Additionally, Sei Group Inc. was awarded a $675 million Electronic Security Systems Generation 7 (ESS VII) multiple award IDIQ contract by the U.S. Army Corps of Engineers Engineering Support Center Huntsville, which provides comprehensive electronic security systems, access control systems, fire alarm and life safety systems, and building automation capabilities across Department of Defense installations. The company holds multiple General Services Administration contracts supporting the federal government's electric vehicle supply equipment initiative, including a $500 million multiple award IDIQ contract for Geographic Zone A with a completion date of August 31, 2026; a $500 million multiple award IDIQ contract for Geographic Zone C with a completion date of October 2, 2026; and a $500 million multiple award IDIQ contract for Geographic Zone D with a completion date of October 31, 2026, all providing general construction with design-build capabilities for electric vehicle supply equipment installation at federal facilities nationwide. The company also maintains a $50 million GSA indefinite delivery contract for general contractor construction services in Tennessee and Kentucky, and a $250 million indefinite delivery, indefinite quantity multiple award task order contract with the Department of the Interior Fish and Wildlife Service for design-build construction services supporting the Great American Outdoors Act across the continental United States and Hawaii. These IDV vehicles, which are designated as total small business set-asides with the exception of the ESS VII contract, enable Sei Group Inc. to serve as a prime contractor for task orders issued by various federal agencies seeking facility construction, renovation, maintenance, and specialized infrastructure services.
Contract vehicles
- Electronic Security System Generation 7
- Facilities Maintenance and Management
- General Construction with Design/Build Capabilities to Support the Installation of Electric Vehicle Supply Equipment
- Great American Outdoor Design Bid Build Construction MATOC
- Multiple Award Schedule
- The Professional Services Schedule
- Air Force Construction Services IDIQ 2008-2018
- Construction Services in the States of Tennessee and Kentucky MATOC 2021 - 2026
- Energy Savings Performance Contract II
- SeaPort-e
- Utility Monitoring and Control Systems
- Utility Monitoring and Control Systems Fifth Generation
SBA capabilities narrative
A-E Design, Construction, Design-Build, Repair & Renewal, Control Systems, Energy Measurement and Verification, Technology Validation & Demonstration, Security Assessment/Engineering, Operation & Maintenance , Life Cycle Costing, Research & Development.
Quick answers
What is Sei Group Inc.'s UEI?
Sei Group Inc.'s Unique Entity ID (UEI) in SAM.gov is VMLJB3E2LLT6.
What is Sei Group Inc.'s CAGE code?
Sei Group Inc.'s CAGE code is 1DBN4.
What is Sei Group Inc.'s primary NAICS code?
Sei Group Inc.'s primary NAICS code is 541330 (Engineering Services).
Where is Sei Group Inc. located?
Sei Group Inc.'s physical address in SAM.gov is 704 Adams St SE, Huntsville, AL 35801, USA.
Is Sei Group Inc. registered in SAM.gov?
Yes. Sei Group Inc.'s SAM.gov registration is active through May 13, 2027.
Which contract vehicles does Sei Group Inc. hold?
Sei Group Inc. holds a place on 12 federal contract vehicles, including ESS VII, 03FAC and General Construction with Design/Build Capabilities to Support the Installation of Electric Vehicle Supply Equipment.
What is Sei Group Inc.'s most recent federal award?
Sei Group Inc.'s most recent federal contract award is For maintenance and services of umcs, naval calibration lab (NCL) (precision measurement equipment laboratories) guam… (W912DY25FA178), from Engineering Support Center Huntsville, on September 30, 2025.
On GovTribe
See Sei Group Inc.'s full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Funding analysis by agency, NAICS and set-aside
- Similar vendors