Federal contractor profile

ZBLOCKS

UEI EHQGLF7LR1L8CAGE 964EF

Active

Overview

Legal name
ZBLOCKS
Registered location
YONGIN-SI, GYEONGGI-DO, KOR
Primary NAICS
621399 — Offices of All Other Miscellaneous Health Practitioners
Latest award activity
Apr 23, 2026
Read company summary

ZBLOCKS is associated with UEI EHQGLF7LR1L8 and CAGE 964EF in public federal records. AcornBids currently links 4 prime awards totaling $1.7M in obligations to this entity. Its largest recorded federal customer by obligations is Department of Defense. Its recorded federal awards include work classified as Outpatient Mental Health and Substance Abuse Centers; Offices of Mental Health Practitioners (except Physicians); All Other Miscellaneous Ambulatory Health Care Services. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 621399 (Offices of All Other Miscellaneous Health Practitioners). Its public SAM.gov registration lists YONGIN-SI, GYEONGGI-DO, KOR.

At a glance

Lifetime prime obligations$1.7M
Prime awards4
Awards with future end dates1
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 11, 2026. Refresh pending; these totals may be out of date.

Business information

Public SAM.gov registration details.

Legal name
ZBLOCKS
UEI
EHQGLF7LR1L8
CAGE
964EF
Registered address
131DONG 103HO, 67-12, SANGHYEON-RO, SUJI-GU, YONGIN-SI, GYEONGGI-DO, KOR
Registration status
Active
Primary NAICS
621399 — Offices of All Other Miscellaneous Health Practitioners
SAM activation
Feb 4, 2026
Initial registration
Nov 24, 2017
Entity start
Jul 9, 2015
SAM updated
Feb 4, 2026
Registration expires
Feb 4, 2027
Fiscal year end
Dec 31
Place of incorporation
KOR

View SAM.gov source

Research brief

Source facts

  • Loaded prime-award records link 4 awards and $1,665,863 in reported obligations to this legal entity. Source
  • Recorded awards include Outpatient Mental Health and Substance Abuse Centers (NAICS 621420); this classification is not proof of every company capability. Source
  • An example award describes: SPECIAL NEEDS COORDINATOR (SNC) SERVICES AT OSAN AIR BASE, SOUTH KOREA Source

Federal award analysis

Net transaction obligations by federal fiscal period.

Selected transaction obligations$530.7K
Prime contracts

Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 4 of 4 selected awards. Select a period to explore its awards.

Recent federal awards

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

Award / descriptionAwarding agencyObligationsStart dateEnd date
W81K0223P0095SPECIAL NEEDS COORDINATOR (SNC) SERVICES AT OSAN AIR BASE, SOUTH KOREADepartment of Defense$211.9KSep 1, 2023Aug 31, 2026
FA520922P0014CHILD PSYCHOLOGIST FOR YOKOTA AIR BASEDepartment of Defense$685.3KOct 28, 2021Oct 31, 2026
FA520920P0006SPECIAL NEED COORDINATORDepartment of Defense$294.9KOct 10, 2019Oct 9, 2024
W91QVN20C0008SPECIAL NEEDS COORDINATORDepartment of Defense$473.7KJan 13, 2020Jul 12, 2025

Upcoming positioning windows

Modeled recompete windows are estimates, not announced solicitations or guarantees.

CHILD PSYCHOLOGIST FOR YOKOTA AIR BASE
Department of Defense$685.3K obligationsEnds Oct 31, 2026
Recompete signal 65/100

Why this recompete signal

The original per-signal inputs are unavailable in this stored profile.

Stored score: 65/100

The award detail page links to the underlying source record.

Registration, certifications & contacts

Registration evidenceDate
SAM updatedFeb 4, 2026
Source loadedSep 26, 2026
Initial registrationNov 24, 2017
Entity startJul 9, 2015
IndustryReported size status
541219 — Other Accounting ServicesNot reported
541690 — Other Scientific and Technical Consulting ServicesNot reported
561110 — Office Administrative ServicesNot reported
561320 — Temporary Help ServicesNot reported
621112 — Offices of Physicians, Mental Health SpecialistsNot reported
621330 — Offices of Mental Health Practitioners (except Physicians)Not reported
621399 — Offices of All Other Miscellaneous Health PractitionersNot reported
621420 — Outpatient Mental Health and Substance Abuse CentersNot reported
621610 — Home Health Care ServicesNot reported
621991 — Blood and Organ BanksNot reported
621999 — All Other Miscellaneous Ambulatory Health Care ServicesNot reported
622110 — General Medical and Surgical HospitalsNot reported
623110 — Nursing Care Facilities (Skilled Nursing Facilities)Not reported
ContactRolePublished contact methodsEvidenceSource date
HOON LEEGovernment businessContact method not publishedSAM registrationNot available
HOON LEEElectronic businessContact method not publishedSAM registrationNot available
Registered industries
  • 541219 — Other Accounting Services
  • 541690 — Other Scientific and Technical Consulting Services
  • 561110 — Office Administrative Services
  • 561320 — Temporary Help Services
  • 621112 — Offices of Physicians, Mental Health Specialists
  • 621330 — Offices of Mental Health Practitioners (except Physicians)
  • 621399 — Offices of All Other Miscellaneous Health Practitioners
  • 621420 — Outpatient Mental Health and Substance Abuse Centers
  • 621610 — Home Health Care Services
  • 621991 — Blood and Organ Banks
  • 621999 — All Other Miscellaneous Ambulatory Health Care Services
  • 622110 — General Medical and Surgical Hospitals
  • 623110 — Nursing Care Facilities (Skilled Nursing Facilities)
Registered products and services
  • G004 — Social Rehabilitation Services
  • Q201 — MEDICAL- MANAGED HEALTHCARE
  • Q401 — Nursing
  • Q518 — Physical Medicine and Rehabilitation Services
  • Q519 — Behavioral and Mental Health
  • Q528 — Social Work
  • Q601 — Medical Coding and Auditing
  • Q701 — Specialized Medical Support
  • Q802 — Clerical Medical Support
  • Q999 — Other Medical Services

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

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1 shared agency customer(s); Shared work: 621330 — Offices of Mental Health Practitioners (except Physicians), 621399 — Offices of All Other Miscellaneous Health Practitioners; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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1 shared agency customer(s); Shared work: 621330 — Offices of Mental Health Practitioners (except Physicians), 621399 — Offices of All Other Miscellaneous Health Practitioners; Average reported award size within 0.5–2× in matching records. Counts and amounts describe sampled matching awards, not the company’s full history.
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About ZBLOCKS

What products and services appear in its federal awards?

Recorded award industries: 621420 — Outpatient Mental Health and Substance Abuse Centers; 621330 — Offices of Mental Health Practitioners (except Physicians); 621999 — All Other Miscellaneous Ambulatory Health Care Services.

Recorded products and services: G004 — Social Rehabilitation Services; Q401 — Nursing; Q999 — Other Medical Services.

Examples from recent award records:

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

Where is the company registered?

131DONG 103HO, 67-12, SANGHYEON-RO, SUJI-GU, YONGIN-SI, GYEONGGI-DO, KOR

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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