Active
Woman Owned Small BusinessWoman Owned BusinessSmall Business
Overview
- Legal name
- ENDYNA, INC.
- Also known as
- ENVIRO DYNAMIC GROUP
- Registered location
- MC LEAN, VA, USA
- Website
- Company website ↗
- Primary NAICS
- 541611 — Administrative Management and General Management Consulting Services
- Latest award activity
- Sep 10, 2026
Read company summary
ENDYNA, INC. is associated with UEI GKWTAHYKMC62 and CAGE 3UBW9 in public federal records. AcornBids currently links 23 prime awards totaling $98.8M in obligations to this entity. Its largest recorded federal customer by obligations is Environmental Protection Agency. Its recorded federal awards include work classified as Administrative Management and General Management Consulting Services; Other Computer Related Services; Professional and Management Development Training. These categories describe the loaded award records, not a complete list of company capabilities. Its primary SAM.gov NAICS is 541611 (Administrative Management and General Management Consulting Services). Its public SAM.gov registration lists MC LEAN, VA, USA.
At a glance
Lifetime prime obligations$98.8M
Prime awards23
Awards with future end dates3
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 7, 2026. Refresh pending; these totals may be out of date.
Business information
Public SAM.gov registration details.
- Legal name
- ENDYNA, INC.
- Doing business as
- ENVIRO DYNAMIC GROUP
- UEI
- GKWTAHYKMC62
- CAGE
- 3UBW9
- Registered address
- 1345 LANCIA DR, MC LEAN, VA, 22102, USA
- Registration status
- Active
- Primary NAICS
- 541611 — Administrative Management and General Management Consulting Services
- SAM activation
- May 21, 2026
- Initial registration
- Apr 19, 2004
- Entity start
- Jun 18, 1999
- SAM updated
- May 21, 2026
- Registration expires
- May 19, 2027
- Fiscal year end
- Dec 31
- Place of incorporation
- VA, USA
Research brief
Source facts
- Loaded prime-award records link 23 awards and $98,783,694 in reported obligations to this legal entity. Source
- Recorded awards include Administrative Management and General Management Consulting Services (NAICS 541611); this classification is not proof of every company capability. Source
- An example award describes: CISA VULNERABILITY DISCLOSURE PLATFORM VDP Source
Federal award analysis
Net transaction obligations by federal fiscal period.
Selected transaction obligations$89.6M
Prime contracts
Reported transaction obligations by federal fiscal period; includes deobligations. Missing transactions are not estimated. Coverage: 23 of 23 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 / description | Awarding agency | Obligations | Start date | End date |
|---|---|---|---|---|
| 47QFRA20C0012CISA VULNERABILITY DISCLOSURE PLATFORM VDP | General Services Administration | $8.7M | Feb 3, 2021 | Jul 2, 2027 |
| 68HERH25F0345A123 AND AUDIT SUPPORT FOR THE OFFICE OF AIR AND RADIATION | Environmental Protection Agency | $1.6M | Sep 30, 2025 | Sep 29, 2027 |
| 75N96022P00018ENDYNA, INC:1218810: REPLACES REQUISITION # 6175352 AND POTS 22-000467 DIRECT COSTS AND FIXED PRICED ADMINISTRATIVE SERVICE FEES SUPPORTING HONORARIUM PAYMENTS FOR THE BSC… | Department of Health and Human Services | $2.0K | Nov 17, 2021 | Nov 29, 2021 |
| 68HERC24F0436DRINKING WATER AND WASTEWATER TECHNICAL ASSISTANCE TO TRIBES AND ALASKAN NATIVE VILLAGES REGION 9 - GEOGRAPHIC AREA H SUPPORT LSLR AND EC ACTIVITIES FOR TRIBES IN REGION 9 | Environmental Protection Agency | $12.3M | Jul 24, 2024 | Jul 23, 2027 |
| 75N98020F00001HHSN263201800033I; FY20; TO 3043; NIHCATS III-OXCAM LOGISTICS SUPPORT; POP 1/13/20-07/31/20 SEE ATTACHED STATEMENT OF WORK. | Department of Health and Human Services | $335.0K | Jan 21, 2020 | Aug 3, 2021 |
| 75N98021F00001TRAVEL AND LOGISTICAL SUPPORT FOR NIH GLOBAL DOCTORAL PARTNERSHIPS PROGRAM: CANDIDATES, STUDENTS AND GUESTS | Department of Health and Human Services | $233.0K | Aug 12, 2021 | Aug 11, 2022 |
| 68HERH23F0349CLIMATE ADAPTATION SUPPORT DEVELOPMENT OF COMMUNICATION AND OUTREACH MATERIALS FOR EXTERNAL STAKEHOLDERS AND A CLEARINGHOUSE TO SUPPORT EPAS FINANCIAL ASSISTANCE OFFICERS WITH… | Environmental Protection Agency | $153.4K | Aug 11, 2023 | Aug 31, 2024 |
| W9133L21F3301BASE PERIOD LABOR | Department of Defense | $6.1M | May 28, 2021 | Mar 28, 2026 |
| 68HERH24F0347SUPPORT FOR FARM, RANCH AND RURAL COMMUNITIES FEDERAL ADVISORY COMMITTEE AND SUBCOMMITTEE | Environmental Protection Agency | $97.2K | Jul 2, 2024 | Sep 30, 2024 |
| 68HERC22F0329NEW CALL ORDER 68HERD20A0006. NATIONAL EMISSIONS STANDARDS FOR HAZARDOUS AIR POLLUTANTS (NESHAPS) ARE PROMULGATED IN THE CLEAN AIR ACT, AND ARE INTENDED TO REGULATE AIR EMISSIONS… | Environmental Protection Agency | $116.0K | Jun 28, 2022 | Jun 27, 2024 |
Upcoming positioning windows
Modeled recompete windows are estimates, not announced solicitations or guarantees.
Registration, certifications & contacts
| Registration evidence | Date |
|---|---|
| SAM updated | May 21, 2026 |
| Source loaded | Sep 26, 2026 |
| Initial registration | Apr 19, 2004 |
| Entity start | Jun 18, 1999 |
Registration classifications: Self Certified Small Disadvantaged Business, Woman Owned Small Business, Woman Owned Business, Small Business. These are separate from the reported certificates above.
| Industry | Reported size status |
|---|---|
| 512110 — Motion Picture and Video Production | Not reported |
| 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services | Not reported |
| 541330 — Engineering Services | Not reported |
| 541430 — Graphic Design Services | Not reported |
| 541511 — Custom Computer Programming Services | Not reported |
| 541512 — Computer Systems Design Services | Not reported |
| 541513 — Computer Facilities Management Services | Not reported |
| 541519 — Other Computer Related Services | Not reported |
| 541611 — Administrative Management and General Management Consulting Services | Not reported |
| 541620 — Environmental Consulting Services | Not reported |
| 541690 — Other Scientific and Technical Consulting Services | Not reported |
| 541720 — Research and Development in the Social Sciences and Humanities | Not reported |
| 541820 — Public Relations Agencies | Not reported |
| 541990 — All Other Professional, Scientific, and Technical Services | Not reported |
| 561110 — Office Administrative Services | Not reported |
| 561920 — Convention and Trade Show Organizers | Not reported |
| 611430 — Professional and Management Development Training | Not reported |
| 611710 — Educational Support Services | Not reported |
| Contact | Role | Published contact methods | Evidence | Source date |
|---|---|---|---|---|
| SMITA SIDDHANTI | Government business | Contact method not published | SAM registration | Not available |
| ASHOK SIDDHANTI | Alternate government business | Contact method not published | SAM registration | Not available |
| SMITA SIDDHANTI | Electronic business | Contact method not published | SAM registration | Not available |
| ASHOK SIDDHANTI | Alternate electronic business | Contact method not published | SAM registration | Not available |
| Smita Siddhanti | Contractor contract manager | siddhanti@endyna.com | Source | Oct 1, 2026 |
| Ashok Siddhanti | Contractor program manager | ashok@endyna.com | Source | Oct 1, 2026 |
Registered industries
- 512110 — Motion Picture and Video Production
- 518210 — Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
- 541330 — Engineering Services
- 541430 — Graphic Design Services
- 541511 — Custom Computer Programming Services
- 541512 — Computer Systems Design Services
- 541513 — Computer Facilities Management Services
- 541519 — Other Computer Related Services
- 541611 — Administrative Management and General Management Consulting Services
- 541620 — Environmental Consulting Services
- 541690 — Other Scientific and Technical Consulting Services
- 541720 — Research and Development in the Social Sciences and Humanities
- 541820 — Public Relations Agencies
- 541990 — All Other Professional, Scientific, and Technical Services
- 561110 — Office Administrative Services
- 561920 — Convention and Trade Show Organizers
- 611430 — Professional and Management Development Training
- 611710 — Educational Support Services
Registration classifications and published certificates do not by themselves establish eligibility for a particular solicitation. View SAM source
Contract vehicle holdings
Reported holders; a parent award identifier alone is not proof of a current vehicle seat.
| Vehicle | Reported status | Ordering ends | Evidence |
|---|---|---|---|
| OASIS+SB — 47QRCA25DS068 | active | Not available | Source |
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About ENDYNA, INC.
What products and services appear in its federal awards?
Recorded award industries: 541611 — Administrative Management and General Management Consulting Services; 541519 — Other Computer Related Services; 611430 — Professional and Management Development Training.
Recorded products and services: R499 — Other Professional Services; D399 — Other ADP and Telecommunications Services (includes data storage on tapes, compact disks, etc.); R704 — Auditing Services.
Examples from recent award records:
- CISA VULNERABILITY DISCLOSURE PLATFORM VDP
- A123 AND AUDIT SUPPORT FOR THE OFFICE OF AIR AND RADIATION
These records describe federal award work, not every company capability. Review the award evidence.
Where is the company registered?
1345 LANCIA DR, MC LEAN, Virginia 22102, United States
Registered location from SAM.gov; award performance locations may differ.
What is its primary registered industry?
541611 — Administrative Management and General Management Consulting Services.
Primary SAM.gov NAICS classification.
Which federal agencies are represented in its awards?
Environmental Protection Agency; General Services Administration; Department of Defense.
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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