Federal contractor profile
SEB ENGINEERING INC.
UEI DW37H84MAGJ4CAGE 35HG9
Active
Small Business
Overview
- Legal name
- SEB ENGINEERING INC.
- Also known as
- STEWART ENGINEERING INC.
- Registered location
- REDDING, CA, USA
- Primary NAICS
- 237310 — Highway, Street, and Bridge Construction
- Latest award activity
- Aug 20, 2026
Read company summary
SEB ENGINEERING INC. is associated with UEI DW37H84MAGJ4 and CAGE 35HG9 in public federal records. AcornBids currently links 5 prime awards totaling $20.5M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Transportation. Its recorded federal awards include work classified as Highway, Street, and Bridge Construction. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 237310 (Highway, Street, and Bridge Construction). Its public SAM.gov registration lists REDDING, CA, USA.
At a glance
Lifetime prime obligations$20.5M
Prime awards5
Awards with future end dates1
Top-agency concentration90.7%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 9, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- SEB ENGINEERING INC.
- Doing business as
- STEWART ENGINEERING INC.
- UEI
- DW37H84MAGJ4
- CAGE
- 35HG9
- Registered address
- 5323 EASTSIDE RD, REDDING, CA, 96001, USA
- Registration status
- Active
- Primary NAICS
- 237310 — Highway, Street, and Bridge Construction
- SAM activation
- Jul 22, 2026
- Initial registration
- Jan 19, 2005
- Entity start
- May 1, 2001
- SAM updated
- Jul 22, 2026
- Registration expires
- Jul 21, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- CA, USA
Research brief
Source facts
- Loaded prime-award records link 5 awards and $20,543,824 in reported obligations to this legal entity. Source
- Recorded awards include Highway, Street, and Bridge Construction (NAICS 237310); this classification is not proof of every company capability. Source
- An example award describes: CA ERFO FS STNIS 2023-1(1) COTTONWOOD ROAD: AWARD CONSTRUCTION PROJECT FOR EMERGENCY RELIEF, SLOPE FAILURE REPAIR, MSE WALLS, GUARDRAIL & ASPHALT CURB REPLACEMENT, PAVING & STRIPING (MATOC) Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$18.7M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 5 of 5 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $5.6M |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $5.8M |
| Change | $-155.2K |
| Growth | -2.7% |
Where the work is performed
AKMEVTNHWAIDMTNDMNWIMINYMAORNVWYSDIAILINOHPANJCTRICAUTCONEMOKYWVVAMDDEAZNMKSARTNNCSCDCOKLAMSALGAHITXFL
State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| Department of Transportation | $18.6M | 4 |
| Department of the Interior | $19.5K | 1 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| 6982AF CENTRAL FEDERAL LANDS DIVISI | $18.6M | 4 |
| PWR PORE MABO (84000) | $19.5K | 1 |
Naics
| Category | Period obligations | Awards |
|---|---|---|
| 237310 — Highway, Street, and Bridge Construction | $18.7M | 5 |
Psc
| Category | Period obligations | Awards |
|---|---|---|
| Y1LB — CONSTRUCTION OF HIGHWAYS, ROADS, STREETS, BRIDGES, AND RAILWAYS | $18.6M | 4 |
| Z2LB — REPAIR OR ALTERATION OF HIGHWAYS/ROADS/STREETS/BRIDGES/RAILWAYS | $19.5K | 1 |
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| 6982AF24D000003 | $9.3M | 2 |
| 6982AF26D000005 | $5.6M | 1 |
| Unclassified | $3.7M | 2 |
States
| Category | Period obligations | Awards |
|---|---|---|
| CA | $18.7M | 5 |
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $14.9M | 3 |
| SMALL BUSINESS SET ASIDE - TOTAL | $3.7M | 2 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 6982AF25F00055NCA ERFO FS STNIS 2023-1(1) COTTONWOOD ROAD: AWARD CONSTRUCTION PROJECT FOR EMERGENCY RELIEF, SLOPE FAILURE REPAIR, MSE WALLS, GUARDRAIL & ASPHALT CURB REPLACEMENT, PAVING &… | Department of Transportation | $5.5M | Jul 1, 2025 | Jul 17, 2026 |
| 6982AF24C000001CA ERFO FS PLMAS 2021-02(1) NORTH FORK FEATHER RIVER BRIDGE ERFO BRIDGE REPLACEMENT CONSTRUCTION CONTRACT | Department of Transportation | $3.7M | Nov 3, 2023 | Jan 27, 2025 |
| 6982AF26F00046NCA BLM 34003(1) MENDO LAKE ROAD - CONSTRUCTION CONTRACT | Department of Transportation | $5.6M | May 11, 2026 | Dec 22, 2026 |
| 6982AF24F00085NCA ERFO FS ANGEL 2023-1(1) 3N17 SANTA CLARA ROAD CONSTRUCTION REPAIRS INCLUDING DRAINAGE, DEBRIS REMOVAL, MSE WALLS, AND ASPHALT SURFACING | Department of Transportation | $3.8M | Aug 15, 2024 | Jun 13, 2025 |
| 140P8423C0003REPLACE GENEVA ROAD BRIDGES #2 & #3, REDWOOD NATIONAL AND STATE PARKS, HUMBOLDT COUNTY, CALIFORNIA. | Department of the Interior | $1.9M | Jul 13, 2023 | Jun 23, 2025 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Jul 22, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jan 19, 2005 |
| Entity start | May 1, 2001 |
Registration classifications: Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 236220 — Commercial and Institutional Building Construction | Not reported |
| 237110 — Water and Sewer Line and Related Structures Construction | Not reported |
| 237130 — Power and Communication Line and Related Structures Construction | Not reported |
| 237310 — Highway, Street, and Bridge Construction | Not reported |
| 237990 — Other Heavy and Civil Engineering Construction | Not reported |
| 238110 — Poured Concrete Foundation and Structure Contractors | Not reported |
| 238120 — Structural Steel and Precast Concrete Contractors | Not reported |
| 238130 — Framing Contractors | Not reported |
| 238140 — Masonry Contractors | Not reported |
| 238190 — Other Foundation, Structure, and Building Exterior Contractors | Not reported |
| 238290 — Other Building Equipment Contractors | Not reported |
| 238910 — Site Preparation Contractors | Not reported |
| 238990 — All Other Specialty Trade Contractors | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| KEITH STEWART | Government business | Contact method not published | SAM registration | Not available |
| ROGER L ELLICOCK | Alternate government business | Contact method not published | SAM registration | Not available |
| KEITH STEWART | Electronic business | Contact method not published | SAM registration | Not available |
| KEITH STEWART | Alternate electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 236220 — Commercial and Institutional Building Construction
- 237110 — Water and Sewer Line and Related Structures Construction
- 237130 — Power and Communication Line and Related Structures Construction
- 237310 — Highway, Street, and Bridge Construction
- 237990 — Other Heavy and Civil Engineering Construction
- 238110 — Poured Concrete Foundation and Structure Contractors
- 238120 — Structural Steel and Precast Concrete Contractors
- 238130 — Framing Contractors
- 238140 — Masonry Contractors
- 238190 — Other Foundation, Structure, and Building Exterior Contractors
- 238290 — Other Building Equipment Contractors
- 238910 — Site Preparation Contractors
- 238990 — All Other Specialty Trade Contractors
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
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Data coverage and methodology
Sources: SAM.gov registration, USAspending awards and transactions, and linked supporting records. Prime contract obligations, IDV ceilings and assistance amounts are kept separate. Missing records are not zero activity. Company claims are labeled separately. Recompete signals are rule-based scores out of 100. Positioning windows are AcornBids estimates.
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
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