Dzsp 21 LLC
Chantilly, VA Part of Amentum Services, Inc.
- UEI
- VWDRE72J7AF3
- CAGE
- 3WUL3
- Primary NAICS
- 561210 Facilities Support Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
-
Its parent company, Amentum Holdings, Inc., ranks:
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
- Corporate family
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-
Parent
Amentum Services, Inc. · Chantilly, VA
QEMLRQA7PLG4
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Parent
Amentum Services, Inc. · Chantilly, VA
QEMLRQA7PLG4
- SAM.gov registration date
- Physical address
- 4800 Westfields Blvd #400, Chantilly, VA 20151, USA
- Website
- dzsp21.com
- Founded
- 1970
- Employees
- 251-1K
- Estimated annual revenue
- $10M-$50M
- Industry
-
- Industrials
- Commercial & Professional Services
- Professional Services
- SIC code
- 87 Engineering & Management Services
Registration and certifications come from SAM.gov and the SBA; company details from public web sources. Updated .
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | $46,557,492 |
| FY2025 | $126,776,446 |
| FY2024 | $136,125,140 |
| FY2023 | $131,322,722 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Navy | $46,557,492 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
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About the company
Dzsp 21 LLC is a for-profit limited liability company registered in SAM.gov since 2004, with a corporate structure and current registration valid through May 23, 2026. Located in Chantilly, Virginia, the company is a subsidiary of Amentum Services, Inc. and specializes in base operations support services, maritime logistics, and port management solutions primarily in the Western Pacific region, specifically Guam. The company has demonstrated expertise in providing critical infrastructure and operational support services to federal agencies, with a strong focus on naval and maritime-related contract work.
The federal contract awards reveal Dzsp 21 LLC's primary service offerings, which include watercraft operation and maintenance, vessel berthing services, port and harbor operations, and base operations support. Major federal agencies contracting with the company include the National Oceanic and Atmospheric Administration (NOAA), Navy Installations Command, and the U.S. Coast Guard. Notably, the company has been awarded multiple contracts for services at Naval Station Guam and Andersen Air Force Base, with contract values ranging from $9,000 to over $8 million. These contracts have covered a variety of specific services such as ship berthing, power connections, line handling, dockmaster services, oil waste management, and transportation management. None of the contracts have been designated with any specific set-aside status, indicating the company competes in open federal contract competitions across different agencies and service requirements.
Quick answers
Is Dzsp 21 LLC registered in SAM.gov?
Yes. Dzsp 21 LLC's SAM.gov registration is active through March 3, 2027.
How much has Dzsp 21 LLC received in federal contracts?
Federal contracts obligated $126,776,446 to Dzsp 21 LLC in fiscal year 2025 and $440,781,799 in fiscal years 2023 through 2027.
How does Dzsp 21 LLC rank among federal contractors?
Dzsp 21 LLC's parent company, Amentum Holdings, Inc., ranked #1 in NAICS 48-49, #1 in PSC S216 and #3 in NAICS 56 in FY2025.
What is Dzsp 21 LLC's most recent federal award?
Dzsp 21 LLC's most recent federal contract award is This contract award is to continue services as outlined in contracts N6274220C1199 and N4019223C5300. This action is… (N4019225C5400), from Naval Facilities Engineering Command (Navy), on September 8, 2025.
On GovTribe
See Dzsp 21 LLC's full federal record
- Federal contract awards
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors