Active
Woman Owned Small BusinessWoman Owned BusinessSmall Business
Overview
- Legal name
- HSG, LLC
- Registered location
- MERRITT ISLAND, FL, USA
- Website
- Company website ↗
- Primary NAICS
- 541620 — Environmental Consulting Services
- Latest award activity
- Sep 9, 2026
Read company summary
HSG, LLC is associated with UEI W9SABN4VVAG4 and CAGE 5M1T8 in public federal records. AcornBids currently links 70 prime awards totaling $36.9M in obligations to this entity. Its largest recorded federal customer by obligations is National Aeronautics and Space Administration. Its recorded federal awards include work classified as Environmental Consulting Services; All Other Miscellaneous Ambulatory Health Care Services; Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology). These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541620 (Environmental Consulting Services). Its public SAM.gov registration lists MERRITT ISLAND, FL, USA.
At a glance
Lifetime prime obligations$36.9M
Prime awards70
Awards with future end dates16
Top-agency concentration82.8%
Prime contract obligations across loaded award records. Obligations are not revenue or contract ceilings. Summary updated Oct 4, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- HSG, LLC
- UEI
- W9SABN4VVAG4
- CAGE
- 5M1T8
- Registered address
- 1353 N COURTENAY PKWY STE Y, MERRITT ISLAND, FL, 32953, USA
- Registration status
- Active
- Primary NAICS
- 541620 — Environmental Consulting Services
- SAM activation
- Apr 13, 2026
- Initial registration
- Jul 30, 2009
- Entity start
- Apr 22, 2008
- SAM updated
- Apr 13, 2026
- Registration expires
- Apr 9, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- NV, USA
Research brief
Source facts
- Loaded prime-award records link 70 awards and $36,898,796 in reported obligations to this legal entity. Source
- Recorded awards include Environmental Consulting Services (NAICS 541620); this classification is not proof of every company capability. Source
- An example award describes: NEMCON IDIQ TASK ORDER IS TO PROVIDE OCCUPATIONAL HEALTH SERVICES (OHS) FOR MSFC, WHICH INCLUDES OCCUPATIONAL MEDICINE, EMPLOYEE ASSISTANCE PROGRAM, INDUSTRIAL HYGIENE, HEALTH PHYSICS, AND RESPIRATORY PROTECTION SERVICES. Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$34.9M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 70 of 70 selected awards. Select a period to explore its awards.
Funding change
Dated, valued transaction obligations in equal-length adjacent periods; missing records are unknown. Default: last completed federal fiscal year. Percentage is unavailable when the prior period has no positive reported obligations.
| Measure | Reported value |
|---|---|
| Current period | Oct 1, 2025 – Sep 30, 2026 |
| Current obligations | $5.3M |
| Prior period | Oct 1, 2024 – Sep 30, 2025 |
| Prior obligations | $10.6M |
| Change | $-5.3M |
| Growth | -49.9% |
Where the work is performed
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State tile map; darker tiles have larger absolute net obligations. Outlined tiles indicate net deobligations. Unshaded tiles have no reported transactions in this selection. Other locations appear in the table.
Agencies
| Category | Period obligations | Awards |
|---|---|---|
| National Aeronautics and Space Administration | $30.7M | 18 |
| Department of Defense | $2.6M | 28 |
| Department of the Interior | $1.5M | 16 |
| Department of Agriculture | $41.6K | 5 |
| General Services Administration | $1.4K | 3 |
Offices
| Category | Period obligations | Awards |
|---|---|---|
| NASA GLENN RESEARCH CENTER | $7.7M | 1 |
| NASA MARSHALL SPACE FLIGHT CENTER | $7.4M | 2 |
| NASA HEADQUARTERS | $7.4M | 8 |
| NASA LANGLEY RESEARCH CENTER | $4.1M | 1 |
| FA2521 45 CONS PK | $2.6M | 27 |
| NASA GODDARD SPACE FLIGHT CENTER | $2.6M | 2 |
| NASA STENNIS SPACE CENTER | $1.4M | 1 |
| NATIONAL OPERATIONS CENTER | $492.5K | 8 |
| IBC ACQ SVCS DIRECTORATE (00004) | $419.2K | 4 |
| WASHINGTON DC OFFICE | $390.7K | 1 |
| COLORADO STATE OFFICE | $236.6K | 1 |
| NASA KENNEDY SPACE CENTER | $105.2K | 3 |
| USDA-FS, CSA INTERMOUNTAIN 5 | $41.6K | 2 |
| PBS R8 ACQUISITION MANAGEMENT DIVISION | $1.4K | 3 |
| MISSILE DEFENSE AGENCY (MDA) | $500 | 1 |
| WASHINGTON CONTRACTING OFFICE | $0 | 1 |
| NEVADA STATE OFFICE | $0 | 1 |
| USDA-FS, CSA SOUTHWEST 4 | $0 | 3 |
Naics
Psc
Vehicles
| Category | Period obligations | Awards |
|---|---|---|
| 80KSC020D0023 | $25.6M | 44 |
| Unclassified | $7.7M | 3 |
| 140L0619D0001 | $883.1K | 9 |
| GS10F230BA | $419.2K | 5 |
| 140L0620A0002 | $236.6K | 2 |
| 1240LQ24A0003 | $41.6K | 2 |
| 47PJ0019A0003 | $1.4K | 3 |
| HQ085926DF292 | $500 | 1 |
| 140D0423A0074 | $0 | 1 |
States
Set Asides
| Category | Period obligations | Awards |
|---|---|---|
| Unclassified | $27.1M | 66 |
| SMALL BUSINESS SET ASIDE - TOTAL | $7.7M | 2 |
| NO SET ASIDE USED. | $0 | 2 |
Recent federal awards
Prime contract awards. Select an award to review its history and source evidence.
| Award / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 80MSFC24F0118NEMCON IDIQ TASK ORDER IS TO PROVIDE OCCUPATIONAL HEALTH SERVICES (OHS) FOR MSFC, WHICH INCLUDES OCCUPATIONAL MEDICINE, EMPLOYEE ASSISTANCE PROGRAM, INDUSTRIAL HYGIENE, HEALTH… | National Aeronautics and Space Administration | $7.0M | Sep 1, 2024 | Sep 30, 2027 |
| 140D0426F1054SEARCH SUPPORT FOR CALIFORNIA POTENTIALLY RESPONSIBLE PARTIES ON ABANDONED MINE SITES. | Department of the Interior | $279.9K | Sep 8, 2026 | Mar 7, 2028 |
| 80GRC018C0054MEDICAL AND FITNESS SERVICES | National Aeronautics and Space Administration | $7.7M | Aug 30, 2018 | Apr 30, 2024 |
| 80SSC026F7003THIS REQUIREMENT IS TO PROVIDE ENVIRONMENTAL AND OCCUPATIONAL HEALTH PROGRAM SERVICES AT NASA'S JOHN C. STENNIS SPACE CENTER (SSC) AND IS ISSUED AGAINST THE NASA ENVIRONMENTAL… | National Aeronautics and Space Administration | $1.2M | Mar 1, 2026 | Sep 30, 2026 |
| 80GSFC26F7017NEMCON TASK ORDER FOR OCCUPATIONAL MEDICAL SERVICES AT NASA/GSFC IN GREENBELT, MD AND WALLOPS ISLAND, VA | National Aeronautics and Space Administration | $403.1K | Apr 1, 2026 | Mar 31, 2027 |
| 140D0426F0768JOSEPHINE MINE SITE - COMMUNITY INVOLVEMENT PLAN | Department of the Interior | $66.1K | Jul 10, 2026 | Jan 9, 2028 |
| 80GSFC24F0034NEMCON TASK ORDER FOR OCCUPATIONAL MEDICAL SERVICES FOR NASA GODDARD SPACE FLIGHT CENTER IN GREENBELT, MD, AND WALLOPS FLIGHT FACILITY IN WALLOPS ISLAND, VA | National Aeronautics and Space Administration | $2.2M | Apr 1, 2024 | Mar 31, 2026 |
| 80HQTR26F7077THIS TASK ORDER PROVIDES OCCUPATIONAL HEATH, FITNESS, WELLNESS, THE EMPLOYEE ASSISTANCE PROGRAM (EAP) AND MEDICAL EMPLOYABILITY SERVICES FOR NASA HEADQUARTERS. | National Aeronautics and Space Administration | $700.0K | Apr 1, 2026 | Mar 31, 2027 |
| FA252126F0196NASA ENVIRONMENTAL AND MEDICAL CONTRACT SUPPORT FOR WASTE MANAGEMENT SERVICES TO THE DEPARTMENT OF STATE | Department of Defense | $15.6K | May 15, 2026 | May 14, 2027 |
| FA252126F0035FY26 NASA ENVIRONMENTAL AND MEDICAL CONTRACT 80KSC020D0023 (NEMCON) SUPPORT FOR SPACE LAUNCH DELTA (SLD) 45 IN ACCORDANCE WITH PWS 5, SPACE FORCE SERVICES | Department of Defense | $1.1M | Oct 1, 2025 | Sep 30, 2026 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | Apr 13, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Jul 30, 2009 |
| Entity start | Apr 22, 2008 |
Registration classifications: Woman Owned Small Business, Woman Owned Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 115310 — Support Activities for Forestry | Not reported |
| 541110 — Offices of Lawyers | Not reported |
| 541310 — Architectural Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541350 — Building Inspection Services | Not reported |
| 541370 — Surveying and Mapping (except Geophysical) Services | Not reported |
| 541380 — Testing Laboratories and Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541519 — Other Computer Related Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541614 — Process, Physical Distribution, and Logistics Consulting Services | Not reported |
| 541618 — Other Management Consulting Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561210 — Facilities Support Services | Not reported |
| 561990 — All Other Support Services | Not reported |
| 562910 — Remediation Services | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 611620 — Sports and Recreation Instruction | Not reported |
| 621111 — Offices of Physicians (except Mental Health Specialists) | Not reported |
| 621112 — Offices of Physicians, Mental Health Specialists | Not reported |
| 621330 — Offices of Mental Health Practitioners (except Physicians) | Not reported |
| 621340 — Offices of Physical, Occupational and Speech Therapists, and Audiologists | Not reported |
| 621399 — Offices of All Other Miscellaneous Health Practitioners | Not reported |
| 621498 — All Other Outpatient Care Centers | Not reported |
| 621999 — All Other Miscellaneous Ambulatory Health Care Services | Not reported |
| 622110 — General Medical and Surgical Hospitals | Not reported |
| 624190 — Other Individual and Family Services | Not reported |
| 624230 — Emergency and Other Relief Services | Not reported |
| 713940 — Fitness and Recreational Sports Centers | Not reported |
| 713990 — All Other Amusement and Recreation Industries | Not reported |
| 812990 — All Other Personal Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| TONYA SITKO | Government business | Contact method not published | SAM registration | Not available |
| TONYA SITKO | Electronic business | Contact method not published | SAM registration | Not available |
Registered industries
- 115310 — Support Activities for Forestry
- 541110 — Offices of Lawyers
- 541310 — Architectural Services
- 541330 — Engineering Services
- 541350 — Building Inspection Services
- 541370 — Surveying and Mapping (except Geophysical) Services
- 541380 — Testing Laboratories and Services
- 541512 — Computer Systems Design Services
- 541519 — Other Computer Related Services
- 541611 — Administrative Management and General Management Consulting Services
- 541614 — Process, Physical Distribution, and Logistics Consulting Services
- 541618 — Other Management Consulting Services
- 541620 — Environmental Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 541715 — Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- 541990 — All Other Professional, Scientific, and Technical Services
- 561210 — Facilities Support Services
- 561990 — All Other Support Services
- 562910 — Remediation Services
- 611430 — Professional and Management Development Training
- 611620 — Sports and Recreation Instruction
- 621111 — Offices of Physicians (except Mental Health Specialists)
- 621112 — Offices of Physicians, Mental Health Specialists
- 621330 — Offices of Mental Health Practitioners (except Physicians)
- 621340 — Offices of Physical, Occupational and Speech Therapists, and Audiologists
- 621399 — Offices of All Other Miscellaneous Health Practitioners
- 621498 — All Other Outpatient Care Centers
- 621999 — All Other Miscellaneous Ambulatory Health Care Services
- 622110 — General Medical and Surgical Hospitals
- 624190 — Other Individual and Family Services
- 624230 — Emergency and Other Relief Services
- 713940 — Fitness and Recreational Sports Centers
- 713990 — All Other Amusement and Recreation Industries
- 812990 — All Other Personal Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Teaming relationships
Disclosed relationships only. Missing records do not establish that a contractor has no partners. Ambiguous parent award identifiers are excluded.
| Relationship | Reported parties | Dates | Evidence |
|---|---|---|---|
| mentor protege | W9SABN4VVAG4 (mentor) / Tekfive, Inc. | May 1, 2026 – Not available | SBA active mentor-protégé list |
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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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