Neil Seneff, Inc.
Neil Seneff, Inc. (doing business as NSI Engineering) is a small business in Mansfield, TX registered on SAM.gov to bid on federal contracts. It has won about $64,676 in federal prime contracts as a small business since fiscal year 2024, according to USAspending.gov.
- UEI
- W7XKVP1CFSA2
- CAGE code
- 9W3Z8
- SAM.gov registration
- Active
Federal contract history
Contract history from USAspending.gov is taking longer than usual to load. It will appear here in a moment, or when you reload the page in a few minutes.
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 | Neil Seneff, Inc. |
|---|---|
| Doing business as | NSI Engineering |
| Unique Entity ID (UEI) | W7XKVP1CFSA2 |
| CAGE code | 9W3Z8 |
| Location | Mansfield, TX |
| SAM.gov registration | Active through Jun 11, 2027 |
| Business started | 2018 |
| Primary NAICS code | 541512: Computer Systems Design Services |
| Website | www.nsi-eng.com |
| How to contact | Through its website above. No phone or email in SAM.gov's public file. Search UEI W7XKVP1CFSA2 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 W7XKVP1CFSA2 () 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 Neil Seneff, Inc. is small under
On its SAM.gov registration, Neil Seneff, Inc. meets the SBA size standard for these industries, so it can bid on small business set-asides that use them.
- 541512 Computer Systems Design Services
Open contracts in Neil Seneff, Inc.'s NAICS codes
24 open federal opportunities on SAM.gov use one of Neil Seneff, Inc.'s NAICS codes and may be open to it: no set-aside, or, in the code it is registered small under, a small business set-aside. Here are a few, those in its primary code first (none of these are in Texas right now), then the soonest due.
- Amendment 0003 - Electronic Security System VIII Official Solicitation
Due in 2 daysNov 9, 2026, 9:00 AM CST
- Enterprise Inventory Management
Due in 5 daysNov 12, 2026, 11:00 AM EST
- Numerical Weather Prediction Model Verification and Development
Due in 5 daysNov 12, 2026, 12:30 PM CST
- Information Technology Support Services NEXT GEN
Due in 5 daysNov 12, 2026, 5:00 PM EST
- Request for Information: Air Operations Center (AOC) Common Air Defense Picture (CADP)
✦ The Air Force's Kessel Run office (AFLCMC/HBBK) is doing market research through a request for information (RFI) on software for the Air Operations Center (AOC) Common Air…
Due in 6 daysNov 13, 2026, 3:00 PM EST
Similar small businesses
Other small businesses of a similar size with the same primary NAICS code (541512) that have won federal contracts in Texas:
- Nand Logic Corp, Hutto, TX
- Mountain View Business Group, LP, San Marcos, TX
- CSIK Consulting LLC, Tyler, TX
- Allied IT Systems, LLC, Port Arthur, TX
- TRG the Response Group LLC, Cypress, TX
- Stratops Solutions LLC, San Antonio, TX
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 Jun 11, 2027. We'll email you 60, 30 and 7 days ahead, and if it lapses.
Frequently asked questions
What is Neil Seneff, Inc.'s CAGE code?
Neil Seneff, Inc.'s CAGE code is 9W3Z8. The Defense Logistics Agency assigns CAGE codes when a business registers on SAM.gov.
What is Neil Seneff, Inc.'s UEI?
Neil Seneff, Inc.'s Unique Entity ID (UEI) is W7XKVP1CFSA2. SAM.gov assigns the UEI, and it identifies the business across the federal government.
Is Neil Seneff, Inc.'s SAM.gov registration active?
Yes, as of SAM.gov's public data from Nov 1, 2026, Neil Seneff, Inc.'s registration is active through Jun 11, 2027. Registrations are renewed every year.
Is Neil Seneff, Inc. a small business?
Neil Seneff, Inc. is registered on SAM.gov as small under 1 NAICS code, including its primary code, 541512. 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.