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Federal contractor profile

NEIL SENEFF, INC.

UEI W7XKVP1CFSA2CAGE 9W3Z8Company website ↗

Active
Small Business

Overview

Legal name
NEIL SENEFF, INC.
Also known as
NSI ENGINEERING
Registered location
MANSFIELD, TX, USA
Website
Company website ↗
Primary NAICS
541512 — Computer Systems Design Services
Latest award activity
Apr 21, 2026
Read company summary

NEIL SENEFF, INC. is associated with UEI W7XKVP1CFSA2 and CAGE 9W3Z8 in public federal records. AcornBids currently links 1 prime award totaling $0 in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Relay and Industrial Control Manufacturing. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541512 (Computer Systems Design Services). Its public SAM.gov registration lists MANSFIELD, TX, USA.

At a glance

Lifetime prime obligations$0
Prime awards1
Awards with future end dates0
Top-agency concentration
Not available

Why this customer concentration

Detailed agency totals are not available in this stored profile.

Largest positive coded-agency total ÷ all positive coded-agency totals × 100

Missing data is shown as unavailable.

Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 30, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
NEIL SENEFF, INC.
Doing business as
NSI ENGINEERING
UEI
W7XKVP1CFSA2
CAGE
9W3Z8
Registered address
4206 CRESTVIEW LN, MANSFIELD, TX, 76063, USA
Registration status
Active
Primary NAICS
541512 — Computer Systems Design Services
SAM activation
Jun 15, 2026
Initial registration
May 1, 2024
Entity start
Sep 10, 2018
SAM updated
Jun 15, 2026
Registration expires
Jun 11, 2027
Fiscal year end
Dec 31
Place of incorporation
TX, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 1 awards and $0 in reported obligations to this legal entity. Source
  • Recorded awards include Relay and Industrial Control Manufacturing (NAICS 335314); this classification is not proof of every company capability. Source
  • An example award describes: SIEMENS PLC HARDWARE AND SOFTWARE Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$0
Prime contracts
$0FY2026

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Histories follow awards currently assigned to this recipient and may include transactions under an earlier recipient. Coverage: 1 of 1 selected awards. Select a period to explore its awards.

Explore funding & geography →View quarterly funding

Recent federal awards

Prime contract awards. Select an award to review its history and source evidence.

Award / descriptionAwarding agencyObligationsStart dateEnd date
N6449826P2060SIEMENS PLC HARDWARE AND SOFTWAREDepartment of Defense$0Mar 23, 2026Apr 15, 2026
Explore, filter and export all awards →SubcontractsGrants & subgrants

Registration, certifications & contacts

Registration evidenceDate
SAM updatedJun 15, 2026
Source loadedSep 26, 2026
Initial registrationMay 1, 2024
Entity startSep 10, 2018

Registration classifications: Small Business. These are separate from the reported certificates above.

IndustryReported size status
541512 — Computer Systems Design ServicesNot reported
ContactRolePublished contact methodsEvidenceSource date
KRISTINA LONGMUIRGovernment businessContact method not publishedSAM registrationNot available
KRISTINA LONGMUIRElectronic businessContact method not publishedSAM registrationNot available
NEIL SENEFFAlternate electronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 541512 — Computer Systems Design Services
Registered products and services
  • C219 — Other Architect and Engineering Services

Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source

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Explore the customer, work and award-size evidence behind each match.

RAYTHEON COMPANY

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
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STATZ CORP

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
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AFP INDUSTRIES, INC.

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
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ECI DEFENSE GROUP, INC.

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
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COMPONENT CENTRAL, INC.

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
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JACOB BURKE

1 shared agency customer(s); Shared work: 335314 — Relay and Industrial Control Manufacturing. Counts and amounts describe sampled matching awards, not the company’s full history.
1 awards

About NEIL SENEFF, INC.

What products and services appear in its federal awards?

Recorded award industries: 335314 — Relay and Industrial Control Manufacturing.

Recorded products and services: 7B20 — Hardware, software, and other equipment needed for specialized High Performance Computing (HPC) systems used in solving complex computational problems through massive concurrent use of computing resources and parallel processing techniques..

Examples from recent award records:

These records describe federal award work, not every company capability. Review the award evidence.

Where is the company registered?

4206 CRESTVIEW LN, MANSFIELD, Texas 76063, United States

Registered location from SAM.gov; award performance locations may differ.

Explore related contractor directories

Browse companies by registered location, primary registered industry, or federal customer.

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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