Navajo Tribal Utility Authority
Fort Defiance, AZ Doing business as Ntua Part of Navajo Nation Tribal Government
- UEI
- N545DUC9BCR1
- CAGE
- 3LUJ4
- Primary NAICS
- 221122 Electric Power Distribution
- SAM.gov registration
- Active through
Company facts
- FY2025 rankings
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Its parent company, The Navajo Nation Tribal Government, ranks:
- Self-certified in SAM.gov
- Entity structure
- Other
- Other NAICS codes in SAM.gov
- Corporate family
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Parent
Navajo Nation Tribal Government · Window Rock, AZ
KEBVZNK93W87
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- Fort Defiance, AZ JCHBNUCF8TE4
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Parent
Navajo Nation Tribal Government · Window Rock, AZ
KEBVZNK93W87
- SAM.gov registration date
- Physical address
- Fort Defiance, AZ 86504, USA
- Website
- ntua.com
- Founded
- 1959
- Employees
- 251-1K
- Estimated annual revenue
- $50M-$100M
- Industry
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- Utilities
- SIC code
- 49 Electric, Gas, & Sanitary 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 | $8,584,955 |
| FY2025 | $10,748,943 |
| FY2024 | $8,679,174 |
| FY2023 | $13,516,822 |
Top agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of Health and Human Services | $4,978,330 | |
| 2 | Department of the Interior | $3,606,625 |
Contract awards
Latest 5 listed here. See the rest on GovTribe.
Grant awards
Latest 5 listed here. See the rest on GovTribe.
Grant subawards
| Prime recipient | Prime award | Amount | Awarded |
|---|---|---|---|
| Water Infrastructure Finance Authority Of Arizona | 98T76101 | $402,180 | |
| Water Infrastructure Finance Authority Of Arizona | 98T45201 | $5,597,820 |
Similar vendors
| Vendor | Location | Primary NAICS |
|---|---|---|
| Tohono Oodham Utility Authority | Sells, AZ | 221122 Electric Power Distribution |
| Iina Ba Inc. | Farmington, NM | 541620 Environmental Consulting Services |
| The Navajo Nation | Window Rock, AZ | 221310 Water Supply and Irrigation Systems |
| Native American Transformer Services Inc. | Reno, NV | 335311 Power, Distribution, and Specialty Transformer Manufacturing |
| Continental Divide Electric Cooperative, Inc. | Grants, NM | 221122 Electric Power Distribution |
About the company
Navajo Tribal Utility Authority (NTUA), doing business as Ntua, a tribally owned, tribal government-controlled multi-utility enterprise, delivers electric, natural gas, water, wastewater, and energy management services to federal facilities across the Navajo Nation as a prime contractor on full-and-open utility delivery orders, without SBA set-aside designation. NTUA competes and wins awards based on its federally recognized Indian tribe status and its role as the primary utility infrastructure provider serving the largest federally recognized Native American tribe across a 27,000-square-mile region spanning Arizona, New Mexico, and Utah. The organization is a subsidiary of the Navajo Nation Tribal Government and operates one named subsidiary, Ne'zaad Solar, LLC, a tribally owned for-profit limited liability company.
NTUA's federal footprint centers almost entirely on utility services delivered to civilian agencies. The top five funding agencies account for 77% of recent awards by count, dominated by the Department of Health and Human Services Indian Health Service (248 awards, $82.3 million combined potential value) and the Department of the Interior Bureau of Indian Affairs Navajo Region (225 awards, $21.4 million combined potential value), followed by the Bureau of Indian Education (90 awards, $33.6 million combined potential value). The dollar ranking diverges slightly — the GSA Public Buildings Service anchors $50 million in ceiling value from a single IDC vehicle (one award) — but civilian health, education, and water infrastructure funding drives the portfolio. Recent contract work exemplifies the scope: a $4.9 million delivery order from Indian Health Service for utility services at the Chinle Comprehensive Health Care Facility and Many Farms Clinic extending through December 2033; a $2.4 million delivery order from Bureau of Indian Education for utility services at Many Farms educational facilities through September 2027; and a $949,305 delivery order from Indian Health Service for utilities at Kayenta Health Center facility through April 2031. NTUA holds no Department of Defense or other federal contractor footprint outside utility services.
NTUA anchors its prime position on a single-award $50 million Indefinite Delivery Contract with the General Services Administration's Public Buildings Service, awarded December 9, 2024, through December 8, 2034, which generated 334 task orders valued at $108.3 million combined potential value. A second large IDC, GS00P04BSD0328, generated 193 task orders worth $28.7 million. Both vehicles support task orders issued by Interior Department and Health and Human Services agencies for utility services to federal facilities on the Navajo Nation. NTUA also operates under an older, unnamed indefinite delivery contract vehicle (47PA0425D0008) with 24 task orders valued at $5.6 million, and holds positions on two blanket purchase agreements (HHSI245200502029B and GS00P94BSD0013) with minimal recent call activity. All awards across vehicles carry firm fixed-price terms and no set-aside designation.
NTUA's federal grant footprint spans water, wastewater, broadband, renewable energy, and grid resilience. The Environmental Protection Agency Region 9 has awarded NTUA multiple formula grants under the Clean Water State Revolving Fund and Safe Drinking Water Act programs totaling over $15 million for wastewater evaluation studies, repair and replacement planning, water treatment facility construction (Aneth community arsenic and manganese removal facility, $4.528 million through September 2030), and sanitary sewer evaluation studies for five community service areas. The Department of Transportation Pipeline and Hazardous Materials Safety Administration awarded NTUA $1.614 million and $1.906 million (CFDA 20.708) on April 4, 2025, under the Natural Gas Distribution Infrastructure Safety and Modernization program to repair, rehabilitate, and replace high-risk natural gas distribution pipelines and acquire safety equipment through April 2030. The Department of Agriculture Rural Utilities Service awarded NTUA $6.861 million (CFDA 10.760) on September 18, 2025, for waste disposal and sewage treatment infrastructure serving the Navajo Nation through September 2027. The Department of Energy, the National Telecommunications and Information Administration, and the Department of Commerce have awarded NTUA grants for electric grid resilience, broadband infrastructure deployment to 20,827 unserved households, and distance learning and telemedicine broadband expansion. NTUA acts as sole prime recipient on all grant awards; sub-recipient awards total $6 million as of July 1, 2025, flowing through the Water Infrastructure Finance Authority of Arizona for lead pipe line replacement in partnership with Window Rock Unified School District.
Activity has remained steady across the most recent five years — 27 awards in 2022, 20 in 2023, 24 in 2024, 30 in 2025, and 7 year-to-date in 2026 — with combined federal obligation dollars ($434.5 million) exceeding combined potential value ($208.5 million) by 208%, signaling consistent full-funding of multi-year utility service orders. Twenty-nine awards with ultimate completion dates within the next twenty-four months face recompete, representing $8.2 million in combined potential value. NTUA carries no identified subcontractors on its federal awards and does not subcontract to other prime contractors; the vendor's structure is 100% prime awards. The organization's capability posture is narrow and specialized: utility operations, maintenance, and infrastructure delivery to federal facilities in Native American communities, with emerging renewable energy and broadband capabilities through grants. NTUA does not compete for IT services, logistics, defense programs, construction management, or other federal contractor categories outside its tribal utility operator role.
Quick answers
Is Navajo Tribal Utility Authority registered in SAM.gov?
Yes. Navajo Tribal Utility Authority's SAM.gov registration is active through March 23, 2027.
How much has Navajo Tribal Utility Authority received in federal contracts?
Federal contracts obligated $10,748,943 to Navajo Tribal Utility Authority in fiscal year 2025 and $41,529,894 in fiscal years 2023 through 2027.
How does Navajo Tribal Utility Authority rank among federal contractors?
Navajo Tribal Utility Authority's parent company, The Navajo Nation Tribal Government, ranked #15 in NAICS 2212, #23 in PSC S119 and #35 in PSC S112 in FY2025.
What is Navajo Tribal Utility Authority's most recent federal award?
Navajo Tribal Utility Authority's most recent federal contract award is Electric & wastewater utilities for dennehotso boarding school (140A2326F0146), from Bureau of Indian Education (BIA), on August 27, 2026.
On GovTribe
See Navajo Tribal Utility Authority's full federal record
- Federal contract awards
- IDV awards
- Federal grant awards
- Funding analysis by agency, NAICS and set-aside
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