Seb Engineering Inc.
Seb Engineering Inc. (doing business as Stewart Engineering Inc.) is a small business in Redding, CA registered on SAM.gov to bid on federal contracts. It has won about $18.7 million in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- DW37H84MAGJ4
- CAGE code
- 35HG9
- SAM.gov registration
- Active
Federal contract history
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Registration details
Show registration details
From SAM.gov's monthly public file dated Nov 1, 2026. If the business has updated its registration since, SAM.gov shows the newer details.
| Legal business name | Seb Engineering Inc. |
|---|---|
| Doing business as | Stewart Engineering Inc. |
| Unique Entity ID (UEI) | DW37H84MAGJ4 |
| CAGE code | 35HG9 |
| Location | Redding, CA |
| SAM.gov registration | Active through Jul 21, 2027 |
| Business started | 2001 |
| Primary NAICS code | 237310: Highway, Street, and Bridge Construction |
| How to contact | No phone or email in SAM.gov's public file. Search UEI DW37H84MAGJ4 in SBA's Small Business Search for a contact the business added. |
Certifications and business types
No SBA certification (8(a), HUBZone or WOSB) in SAM.gov's public file (Nov 1, 2026).
SBA certifications let a business compete for set-aside contracts (set-asides explained). Check the current record on its SAM.gov entry.
How to check or correct this record
The file sometimes leaves a certification out, and a newer one won't be in it yet.
Check or correct this record at the source: open its SAM.gov entry, or search UEI DW37H84MAGJ4 () in SAM.gov's entity search (free sign-in) and in SBA's Small Business Search (formerly DSBS), which shows SBA certifications. The business can update its details in its SAM.gov registration and its certifications at certifications.sba.gov.
NAICS codes Seb Engineering Inc. is small under
On its SAM.gov registration, Seb Engineering Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 237310 Highway, Street, and Bridge Construction
- 236220 Commercial and Institutional Building Construction
- 237110 Water and Sewer Line and Related Structures Construction
- 237130 Power and Communication Line and Related Structures 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
Open contracts in Seb Engineering Inc.'s NAICS codes
450 open federal opportunities on SAM.gov use one of Seb Engineering Inc.'s NAICS codes and may be open to it: no set-aside, or, in the codes it is registered small under, a small business set-aside. Here are a few, those in its primary code first, then those in California, then the soonest due.
- Humbolt Pacific Crest Trail Bridge Replacement
Due in 21 daysNov 28, 2026, 5:00 PM MST
- DDCN Building 154 Asphalt Milling and Paving
Due in 3 daysNov 10, 2026, 12:00 PM EST
- Natchez Trace Parkway Project MS NP NATR 3F26
✦ The Federal Highway Administration's Eastern Federal Lands Highway Division, for the National Park Service, wants the Natchez Trace Parkway in Chickasaw County, Mississippi…
Due in 3 daysNov 10, 2026, 2:00 PM ESTThe AI summary flags this date. Check SAM.gov.
- Acadia National Park
✦ Invitation for bids (IFB: a sealed-bid offer where price decides) 693C73-27-B-000002, Acadia National Park, project ME NP ACAD BRG(2): the Federal Highway Administration, Eastern…
Due in 3 daysNov 10, 2026, 2:00 PM EST
- Jake Rocks Road Reconstruction
✦ The U.S. Forest Service (CSA Southwest 7) wants road rehabilitation done on designated National Forest roads in Warren, PA, under the Jake Rocks Road Reconstruction request for…
Due in 4 daysNov 11, 2026, 1:00 PM ESTThe AI summary flags this date. Check SAM.gov.
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (237310) that have won federal contracts in California:
- Ace Engineering Inc, Ontario, CA
- Dambacher Construction Inc., Clovis, CA
- Hooker Creek Inc, Red Bluff, CA
- Portillo Concrete Inc, Lemon Grove, CA
- Escheman Construction Company, Brownsville, CA
- Command Performance Constructors Inc, Long Beach, CA
Is this your business? Get a reminder before the SAM.gov registration expires
Get a reminder before the SAM.gov registration expires. It's active through Jul 21, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Seb Engineering Inc.'s CAGE code?
Seb Engineering Inc.'s CAGE code is 35HG9. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Seb Engineering Inc.'s UEI?
Seb Engineering Inc.'s Unique Entity ID (UEI) is DW37H84MAGJ4. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Seb Engineering Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Seb Engineering Inc.'s registration is active through Jul 21, 2027. Registrations are renewed every year.
Is Seb Engineering Inc. a small business?
Seb Engineering Inc. is registered on SAM.gov as small under 13 NAICS codes, including its primary code, 237310. Size is set per NAICS code, so a business can be small for some contracts and not others.
Keep going
- Look up another business's CAGE code or UEI
- Check a SAM.gov registration's status
- How to become a government subcontractor
- Hiring subcontractors? List small businesses by state, NAICS code and certification
Registration details come from SAM.gov's public entity extract and contract figures from USAspending.gov. Contact names and street addresses are left out. To change these details, update the registration on SAM.gov. To report a mistake on this page, or to ask us to remove it, email hello@fedready.us with the page address; we reply within 2 business days. For a removal, write from an address at the company.