The NDN Companies
Jacksonville, FL
- UEI
- ET2PKEQ4BBF1
- CAGE
- 7L7X0
- Primary NAICS
- 541620 Environmental Consulting Services
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
- Self-certified in SAM.gov
- Entity structure
- Corporate Entity (Not Tax Exempt)
- Other NAICS codes in SAM.gov
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- 236220 Commercial and Institutional Building Construction
- 237310 Highway, Street, and Bridge Construction
- 237990 Other Heavy and Civil Engineering Construction
- 541330 Engineering Services
- 541611 Administrative Management and General Management Consulting Services
- 541690 Other Scientific and Technical Consulting Services
- 541720 Research and Development in the Social Sciences and Humanities
- 541990 All Other Professional, Scientific, and Technical Services
- Corporate family
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- Jacksonville, FL F6SXGAWGWEJ1
- Jacksonville, FL GF3FKQZ4XX42
- Jacksonville, FL J2PBKGAQJKH4
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- SAM.gov registration date
- Physical address
- 3740 St Johns Bluff Rd S Ste 10, Jacksonville, FL 32224, USA
- Website
- thendncompanies.com
- Employees
- 11-50
- Estimated annual revenue
- $1M-$10M
- Industry
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- Industrials
- Capital Goods
- Construction & Engineering
- Civil Engineering
- 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 | -$32,290 |
| FY2026 | $9,012,234 |
| FY2025 | $2,847,774 |
| FY2024 | $2,697,983 |
| FY2023 | $3,127,480 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of the Army | $7,998,608 | |
| 2 | Environmental Protection Agency | $588,878 | |
| 3 | Department of Transportation | $377,321 | |
| 4 | Defense Logistics Agency | $15,137 |
Contract vehicles
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Contract subawards
| Prime contractor | Prime award | Amount | Awarded |
|---|---|---|---|
| Mn-Bmcd SE JV | N6945025F1172 | $47,409 | |
| The Haskell Company | 70Z04721FFMACON00 | $98,700 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Tellus Civic Science Corporation | San Diego, CA | 541620 Environmental Consulting Services |
| Applied Ecology Inc. | Melbourne, FL | 541620 Environmental Consulting Services |
| A-Zone Environmental Services, LLC | Kearneysville, WV | 562910 Remediation Services |
| Eac- Environmental Assessments & Consulting | Sarasota, FL | 562910 Remediation Services |
| 8A, General Contractor, Design & Construction Management | Jacksonville, FL | 236220 Commercial and Institutional Building Construction |
About the company
The NDN Companies, a woman-owned and minority-owned small business based in Jacksonville, Florida, delivers environmental remediation, cultural resource management, archaeological surveys, and facility support services to federal agencies as a prime contractor (97% of recent awards) under 8(a) and Total Small Business set-asides. The company is SBA-certified as an 8(a) Program participant (through October 2028), self-certified as a small disadvantaged business, and designated as an economically disadvantaged women-owned small business, positioning it to compete predominantly under set-aside vehicles rather than full-and-open procurements.
The NDN Companies' customer concentration centers on the Department of Defense and civilian environmental agencies. The top five customer segments account for 71% of combined potential value, dominated by the Department of the Army Corps of Engineers and its regional districts—the Army Corps of Engineers broadly (13 awards, $17.3 million), ENDIST Mobile (5 awards, $10.8 million), and ENDIST Omaha (7 awards, $10.3 million)—followed by the Environmental Protection Agency Region 9 (2 awards, $4.6 million) and the Air Force Materiel Command Civil Engineer Center (8 awards, $4.3 million). The two rankings track tightly; the Army Corps of Engineers dominates both volume and dollars across multiple district-level relationships.
Capability portfolio centers on environmental assessment, remediation, and restoration at federal sites. Representative prime work includes a $5.8 million definitive contract with ENDIST Mobile for Harrison County beach dune planting in Gulfport, Mississippi, awarded February 2026 under an 8(a) sole-source set-aside; a $4.4 million 8(a) sole-source definitive contract with EPA Region 9 for long-term remedial action at the Modesto Groundwater Contamination Superfund Site in Modesto, California, awarded August 2026; and a $3.7 million definitive contract with ENDIST Albuquerque for administrative support services at Fort Wingate, New Mexico through December 2027 under an 8(a) sole-source set-aside exercising an option year. The company also holds a $4.5 million single-award Indefinite Delivery Contract with ENDIST Omaha for environmental, cultural resource management, facility support, and wildland fire management services at Army and Air Force installations, which has generated six task orders including a $719 thousand delivery order for Thunder Butte and Lower Moreau Studies and a $561 thousand order for environmental and facility support at Buckley Space Force Base in Colorado. Additional vehicles include a $6.5 million multiple-award IDIQ with the Army Corps of Engineers Tulsa District for cultural resource services through August 2029, a $4.5 million single-award Indefinite Delivery Contract with ENDIST Mobile for Basewide Environmental Sustainment Support established September 2026, a $2 million single-award 8(a) environmental remediation IDC with ENDIST Los Angeles through August 2029, a $1 million GSA Federal Supply Schedule contract for environmental consulting services (effective through May 2029, 12 labor categories spanning clerical at $52.32 per hour through senior project manager at $174.58 per hour, all requiring bachelor's degree with no security clearance roles), and a $1 million Blanket Purchase Agreement with the U.S. Forest Service Region 8 for archaeological support survey services through December 2025.
Award activity has remained relatively stable year over year, ranging from seven awards in 2022 to fourteen in 2024, with 2025 and 2026 tracking at eleven and twelve awards respectively. Seven awards with combined potential value $10.3 million face ultimate completion within the next twenty-four months and therefore enter recompete window. The vendor maintains two sub-award relationships: environmental support work for a feasibility study at Naval Air Station Jacksonville Mulberry Marina under a Mn-Bmcd SE JV prime (August 2025) and gopher tortoise survey work under The Haskell Company (September 2024).
Top parent vehicles reflect concentrated Army Corps of Engineers and Defense Department footprint. IDV W9128F19D0059 carries ten task orders with $4.9 million combined potential value; W9128F22D0055 carries six task orders with $3.2 million; W912HN20D5001 carries four task orders with $4 million; W912BV24D0019 carries four task orders with $284 thousand. The vendor's work is concentrated in Environmental Consulting Services (38 awards) and Remediation Services (12 awards) under NAICS classification, with PSC codes dominated by Other Environmental Services (37 awards) and Repair or Alteration of Dredging Facilities (7 awards).
The corporate structure includes three named subsidiaries: Ndn-Sundance JV Alliance LLC, NDN Otie JV LLC (minority-owned, native American-owned joint venture), and The NDN Sundance JV LLC (woman-owned joint venture), indicating structured teaming capability for Army Corps of Engineers and Defense Department environmental and cultural resource work.
SBA capabilities narrative
Environmental Consulting and Heavy Civil and Marine Construction firm providing services throughout the US. Focusing on civil construction and mixed marine construction, contamination assessments, industrial hygiene, natural resources, sustainability, tribal and cultural resources, and environmental restoration and consulting services
Quick answers
Is The NDN Companies registered in SAM.gov?
Yes. The NDN Companies's SAM.gov registration is active through September 23, 2027.
Which contract vehicles does The NDN Companies hold?
The NDN Companies holds a place on 1 federal contract vehicle: MAS.
How much has The NDN Companies received in federal contracts?
Federal contracts obligated $2,847,774 to The NDN Companies in fiscal year 2025 and $17,653,182 in fiscal years 2023 through 2027.
How does The NDN Companies rank among federal contractors?
The NDN Companies ranked #9 in PSC F110, #29 in PSC F111 and #93 in NAICS 54191 in FY2025.
What is The NDN Companies's most recent federal award?
The NDN Companies's most recent federal contract award is Services to perform long term response for the remedial action (ltra) at the modesto ground water contamination… (68HE0926C0004), from EPA Region 9, on August 1, 2026.
On GovTribe
See The NDN Companies's full federal record
- Federal contract awards
- IDV awards
- Contract vehicles
- Subcontracting relationships
- Funding analysis by agency, NAICS and set-aside
- Similar vendors