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Federal contractor profile

QUANTUM SI INCORPORATED

UEI KX2KYVH1LS43CAGE 9W7C4

Active
Small Business

Overview

Legal name
QUANTUM SI INCORPORATED
Registered location
BRANFORD, CT, USA
Primary NAICS
541714 — Research and Development in Biotechnology (except Nanobiotechnology)
Latest award activity
Mar 17, 2026
Read company summary

QUANTUM SI INCORPORATED is associated with UEI KX2KYVH1LS43 and CAGE 9W7C4 in public federal records. AcornBids currently links 5 prime awards totaling $381.1K in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Research and Development in Biotechnology (except Nanobiotechnology); Analytical Laboratory Instrument Manufacturing. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541714 (Research and Development in Biotechnology (except Nanobiotechnology)). Its public SAM.gov registration lists BRANFORD, CT, USA.

At a glance

Lifetime prime obligations$381.1K
Prime awards5
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 18, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
QUANTUM SI INCORPORATED
UEI
KX2KYVH1LS43
CAGE
9W7C4
Registered address
29 BUSINESS PARK DR STE C, BRANFORD, CT, 06405, USA
Registration status
Active
Primary NAICS
541714 — Research and Development in Biotechnology (except Nanobiotechnology)
SAM activation
Feb 3, 2026
Initial registration
Apr 25, 2024
Entity start
Jun 24, 2013
SAM updated
Feb 3, 2026
Registration expires
Jan 26, 2027
Fiscal year end
Dec 31
Place of incorporation
DE, USA

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 5 awards and $381,056 in reported obligations to this legal entity. Source
  • Recorded awards include Research and Development in Biotechnology (except Nanobiotechnology) (NAICS 541714); this classification is not proof of every company capability. Source
  • An example award describes: REAGENTS FOR PROTEIN DIGESTION WITH LYSC AND PEPTIDE FUNCTIONALIZATION Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$210.6K
Prime contracts
$92.1KFY2025$118.4KFY2026

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: 5 of 5 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
N0017326P0326REAGENTS FOR PROTEIN DIGESTION WITH LYSC AND PEPTIDE FUNCTIONALIZATIONDepartment of Defense$59.2KMar 17, 2026May 1, 2026
N0017326P5205REAGENT PREPARATION AND SEQUENCING KITSDepartment of Defense$59.2KNov 13, 2025Nov 30, 2025
N6311625P0534QUANTUM SI PLATINUM PRO INSTRUMENTDepartment of Defense$29.0KMay 2, 2025May 6, 2025
N0017325P0413SEQUENCING REAGENTS AND CHIPS FOR 4 SEQUENCING RUNS ON PLATINUM(R).Department of Defense$63.1KFeb 20, 2025Jun 18, 2025
N0017324P1157OUSD-FUNDED BIOPROTOTYPINGDepartment of Defense$170.5KSep 10, 2024Sep 12, 2025
Explore, filter and export all awards →SubcontractsGrants & subgrants

Registration, certifications & contacts

Registration evidenceDate
SAM updatedFeb 3, 2026
Source loadedSep 26, 2026
Initial registrationApr 25, 2024
Entity startJun 24, 2013

Registration classifications: Self Certified Small Disadvantaged Business, Small Business. These are separate from the reported certificates above.

IndustryReported size status
541714 — Research and Development in Biotechnology (except Nanobiotechnology)Not reported
ContactRolePublished contact methodsEvidenceSource date
DENNIS NELSONGovernment businessContact method not publishedSAM registrationNot available
DENNIS NELSONElectronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 541714 — Research and Development in Biotechnology (except Nanobiotechnology)

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

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About QUANTUM SI INCORPORATED

What products and services appear in its federal awards?

Recorded award industries: 541714 — Research and Development in Biotechnology (except Nanobiotechnology); 334516 — Analytical Laboratory Instrument Manufacturing.

Recorded products and services: B529 — Scientific Data Studies; 6640 — Laboratory Equipment and Supplies; 6550 — In Vitro Diagnostic Substances, Reagents, Test Kits and Sets.

Examples from recent award records:

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

Where is the company registered?

29 BUSINESS PARK DR STE C, BRANFORD, Connecticut 06405, United States

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

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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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