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DENA NENA HENASH

Parent1 subsidiaryUEI: D37SXRJ5HMJ1CAGE: 1S7G3

DENA NENA HENASH is a federal contractor, registered under UEI D37SXRJ5HMJ1 and CAGE code 1S7G3. It has been awarded $2,486,237,200 in federal contracts. Primary work spans Unknown NAICS and Other NAICS codes (7 codes, <0.5% each). Top awarding agencies include Department Of Health And Human Services, Department Of The Interior, and Environmental Protection Agency.

Contact Information

Registration and classification details

Phone+1 (555) 000-0000

Websitehttp://www.tananachiefs.org

Address123 Main St, City, ST 12345

Registration

UEI Code

D37SXRJ5HMJ1

CAGE Code

1S7G3

Entity Structure

Corporate Entity (Tax Exempt)

Established

N/A

Business Classifications

Non-Profit OrganizationAlaskan Native Corporation Owned FirmTribally Owned FirmNative American OwnedMinority-Owned Business

NAICS Codes

115310Support Activities for Forestry

236115New Single-Family Housing Construction (except For-Sale Builders)

236116New Multifamily Housing Construction (except For-Sale Builders)

531120Lessors of Nonresidential Buildings (except Miniwarehouses)

924120Administration of Conservation Programs(Primary)

Subsidiaries

1 company rolls up into DENA NENA HENASH, sized by each one's own awards

Award distribution

$2.6M

Tanana Chiefs Conference INC$2.6M

1Tanana Chiefs Conference INCUEI CJJ2NAF4WTL7$2.6M100.0%

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High-Temperature Electrical Heating Elements SupplyThis subcontract involves the supply of high-temperature electrical heating elements and raw austenitic stainless steel to prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work focuses on the procurement and delivery of certified raw materials and heating elements specifically required for build-to-print assemblies. All provided materials must strictly adhere to ASME Section II Materials specifications to ensure compliance with project standards. This effort falls under NAICS code 335999 and is managed through the Department of Energy.

Department Of Energy

POSTED

DEADLINE

NDE Inspection and TestingThis subcontract for NDE Inspection and Testing involves providing non-destructive examination services for prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work focuses on the inspection of stainless steel welds and material verification in accordance with ASME Section V standards, utilizing specialized methods such as ultrasonic testing, radiographic testing, and dye penetrant equipment. To ensure technical compliance and quality assurance, all personnel performing these services must hold ASNT SNT-TC-1A certification. The primary deliverables for this engagement include detailed NDE inspection reports and formal certification of weld integrity. The contract is categorized under NAICS code 541380.

Department Of Energy

POSTED

DEADLINE

Refractory Casting and Dry-Out ServicesThis subcontract for Refractory Casting and Dry-Out Services supports prime contractors on Department of Energy projects at the Hanford Site. The scope of work involves casting refractory materials into heater assemblies using specialized molds and performing the critical dry-out process through industrial kilns or drying ovens to eliminate moisture. The selected provider is responsible for delivering fully dried, refractory-lined heater components that are ready for final assembly. All work must be executed in strict compliance with the prime contractor's Quality Assurance Requirements to ensure the integrity and safety of the components used within the facility.

Department Of Energy

POSTED

DEADLINE

LAW Melter Start-Up Heater Fabrication and AssemblyThis subcontract involves the fabrication and assembly of 18 LAW Melter Start-Up Heater assemblies for prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work requires build-to-print fabrication utilizing electrical assembly and austenitic stainless steel welding. To ensure safety and quality, all work must comply with AWS D1.6 and ASME BPVC Sections II, V, and IX. The project incorporates high-temperature electrical heating elements and requires the use of NEC evaluation equipment and NRTL listing to deliver fully completed and tested assemblies.

Department Of Energy

POSTED

DEADLINE

Expression of Interest - Fabrication of Law Melter Start-Up Heaters for the Waste Treatment and Immobilization Plant

Solicitation # H2C-389759-26-001

Expression of Interest No. H2C-389759-26-001 is a market research effort by Hanford Tank Waste Operations and Closure LLC (H2C) to identify viable suppliers for the build-to-print fabrication of eighteen Low-Activity Waste (LAW) Melter Start-Up Heater assemblies for the Waste Treatment and Immobilization Plant. The scope requires the subcontractor to provide all labor, materials, and equipment to procure, fabricate, assemble, clean, inspect, test, package, and deliver the assemblies to the Hanford Site. Each assembly consists of a stainless steel housing and cover, U-shaped heating elements, a vibration-cast monolithic refractory plug, a flange assembly, a cable assembly, and a lifting bail. The project adheres to strict quality and technical standards, including API STD 936 for refractory installation, ASTM A380 for stainless steel cleanliness, and various ASME and AWS codes for welding and nondestructive examination. This is not a request for proposal, and no contract will be awarded based solely on this expression of interest. H2C anticipates issuing a formal Request for Proposal in June 2027, with a subcontract award in October 2027 and a performance period of approximately 16 months. Interested parties must be registered in the Federal System for Award Management (SAM) and with H2C's vendor registration system. Submissions must include a statement of interest, a detailed capability and experience statement regarding high-temperature electrical heating and stainless steel fabrication, a Quality Assurance Program Manual, and a signed confidentiality agreement. Expression of interest letters are due by November 30, 2026, at 4:00 PM Pacific Time.

Department Of Energy

POSTED

DEADLINE

in about 1 month

Operations and Maintenance Manual DevelopmentThis subcontract focuses on the creation of comprehensive technical documentation for prime contractors operating on Department of Energy projects at the Hanford Site. The primary objective is the development of detailed Operations, Maintenance, and User Manuals that are strictly aligned with final as-built designs and adhere to NQA-1 documentation standards. The final deliverable is a complete set of technical manuals designed to support end-user operation and maintenance. This opportunity is categorized under NAICS code 541990 and is managed through the Department of Energy, with a response deadline set for November 17, 2026.

Department Of Energy

POSTED

DEADLINE

NQA-1 Electrical and Acceptance TestingThis subcontract opportunity involves providing independent quality assurance and electrical acceptance testing for prime contractors operating on Department of Energy projects at the Hanford Site. The selected provider will be responsible for developing comprehensive Acceptance Testing Plans and executing detailed electrical inspections within facilities that comply with NQA-1 standards. The primary deliverables for this engagement include the finalized Acceptance Testing Plans and the subsequent testing reports. To ensure technical compliance, all personnel assigned to the project must be certified to NQA-1 standards and have successfully passed visual acuity examinations. This requirement ensures that all quality assurance activities meet the rigorous safety and regulatory demands of the Department of Energy. Interested parties should note the response deadline of November 17, 2026, for this specialized technical service contract.

Department Of Energy

POSTED

DEADLINE

Fabrication and Assembly of Downhole ProbesThis subcontract involves the fabrication and assembly of physical LOW downhole probe hardware for prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work encompasses precision machining, welding, and electrical assembly to ensure the delivery of fully assembled probes. Strict technical and safety standards are required for this project, including the use of AWS QC-1 Certified Welding Inspectors. Additionally, all work must maintain full compliance with the National Electric Code and OSHA-recognized NRLT labeling requirements.

Department Of Energy

POSTED

DEADLINE

Probe Firmware and Interface Software DevelopmentThis subcontract opportunity involves the development of embedded firmware and high-level interface software for prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work requires programming microcontrollers for resource-constrained systems and creating PC-based software for hardware interfacing. Technical requirements include the use of data acquisition instrumentation and industrial protocols such as EtherCAT, with a preference for candidates experienced in NQA-1 environments. The selected provider will be responsible for delivering fully functional firmware along with comprehensive technical documentation. This project falls under NAICS code 541511 and was posted on October 20, 2026, with a response deadline of November 17, 2026. Interested parties can find further details through the official Hanford site procurement portal.

Department Of Energy

POSTED

DEADLINE

Conceptual and Final Design of Downhole ProbesThis subcontract involves the full-lifecycle engineering design of specialized downhole probes for prime contractors operating on Department of Energy projects at the Hanford Site. The scope of work encompasses the entire design process, moving from conceptualization and refinement to the creation of final design specifications. Technical execution requires the use of 2D/3D CAD and EDA software to produce a comprehensive final design package and As-Built Design Media. To ensure technical proficiency, the contract mandates that lead engineering personnel possess a minimum of five years of professional experience. This opportunity is categorized under NAICS code 541330 and is managed by the Department of Energy. Interested parties must adhere to the response deadline of November 17, 2026.

Department Of Energy

POSTED

DEADLINE

“DESIGN AND DEVELOPMENT SERVICES, LOW

Solicitation # 393098

Hanford Tank Waste Operations & Closure, LLC (H2C) is soliciting proposals for a Firm Fixed Price subcontract under solicitation 393098 to provide design and development services for LOW downhole probes. This work supports Prime Contract 89303324DEM000096 with the U.S. Department of Energy, Hanford Field Office. The project is divided into eight primary tasks, ranging from conceptual design and prototyping to final fabrication, assembly, testing, and the delivery of as-built design media and user manuals. The desired delivery date for the fabricated items is September 30, 2028, with an expected award date of November 30, 2026. Award will be granted to the offeror providing the lowest price technically acceptable proposal. Qualified offerors must demonstrate specific technical proficiencies, including at least five years of experience for lead engineering personnel and demonstrated expertise in 2D/3D CAD and EDA software. Strict quality and safety standards apply, including NQA-1 and AWS QC-1 certifications for inspectors, and compliance with the National Electric Code and OSHA-recognized NRLT labeling for electrical equipment. Proposals must be submitted by November 16, 2026, and include a technical volume, a business and price proposal, and a quality assurance manual. Additional requirements include registration in the System for Award Management (SAM), compliance with the Buy American Act, and adherence to E-Verify and Hanford Site security procedures.

Department Of Energy

POSTED

DEADLINE

Mobile Crane Inspector Training ProviderThis subcontract opportunity is for a Mobile Crane Inspector Training Provider to deliver specialized technical training for personnel working on Department of Energy Hanford Site projects. The selected provider will be responsible for developing and implementing curriculum, lesson plans, and qualification testing that adhere to ASME B30.5, 29CFR1926 Subpart CC, and DOE RL 92-36 standards. Key deliverables include the provision of participant rosters and Certificates of Qualification upon completion of the training. Qualified candidates must possess a minimum of five years of experience in crane inspector training and demonstrate specific expertise within DOE Complex environments. The solicitation was posted on October 20, 2026, with a response deadline of November 19, 2026. This requirement falls under NAICS code 611519 and is managed by the Department of Energy.

Department Of Energy

POSTED

DEADLINE

Mobile Crane Inspector Training

Solicitation # 392461

Hanford Mission Integration Solutions, LLC (HMIS) is soliciting proposals for Mobile Crane Inspector Training to support the Hanford Mission Essential Services Contract with the U.S. Department of Energy, Richland Office. This Firm Fixed Price contract, identified by solicitation number 392461, is designated as Quality Level F - Q Level 3 - GS. The scope of work requires training that adheres to ASME B30.5, 29CFR1926 Subpart CC, and DOE RL 92-36 standards. Performance takes place on the Hanford site, with a base period and four optional extension periods running through January 4, 2032. The award will be based on the Lowest Price Technically Acceptable (LPTA) basis, using a pass/fail screening process. Qualified offerors must demonstrate at least five years of experience in crane inspector training and specific experience within a DOE Complex. Technical proposals must include resumes for all personnel, a detailed price breakdown, and a series of eleven exhibits covering past performance, conflict of interest, and certifications. The contract incorporates various FAR and DEAR clauses, including requirements for small business subcontracting plans, organizational conflict of interest disclosures, and strict adherence to drug and alcohol policies for all personnel working on the Hanford site.

Department Of Energy

POSTED

DEADLINE

Supplier of Tychem QC Hood Assemblies (MSA OptimAir TL)This subcontract involves the procurement of 4,200 new, OEM-certified Tychem QC Hood Assemblies for prime contractors working on Department of Energy projects. The specific requirement is for MSA OptimAir TL single bib hoods with threaded connectors, part number 10095739, sourced directly from the original equipment manufacturer. All equipment must be NIOSH-approved and delivered in packaging of 20 units per box. The supplies are to be delivered to Richland, Washington, and must be accompanied by a Certificate of Conformance to verify their OEM origin and regulatory compliance. This procurement falls under NAICS code 423460 and is managed through the Department of Energy.

Department Of Energy

POSTED

DEADLINE

in about 18 hours

Simulation Equipment Transport and Storage SupplierThis subcontract opportunity is for a supplier to provide protective transport cases and specialized storage solutions for prime contractors supporting Department of Energy Hanford Patrol Operations. The scope of work includes the procurement and delivery of Personnel Detection Device storage transport cases, Small Arms Transmitter accessory transport cases, and wooden battery boxes specifically designed for SO batteries. The selected supplier must provide a Certificate of Conformance (B079) to ensure all equipment meets required standards. This procurement falls under NAICS code 326199, with a response deadline set for November 4, 2026.

Department Of Energy

POSTED

DEADLINE

Vehicle-Mounted Modular Target System SupplierThis subcontract involves the procurement and delivery of SAAB Modular Target Systems, specifically Part 8845 290-020, to support vehicle-based simulation target systems for prime contractors on Department of Energy Hanford Patrol Operations projects. The selected supplier is responsible for providing completed systems that adhere to strict quality and tracking standards, including compliance with Certificate of Conformance and Identification of Items requirements. The opportunity is categorized under NAICS code 334290 and is managed by the Department of Energy. Interested parties must submit their responses by the deadline of November 4, 2026, following the posting date of October 15, 2026.

Department Of Energy

POSTED

DEADLINE

Simulation Analysis Laptop and Interface SupplierThis subcontract, titled Simulation Analysis Laptop and Interface Supplier, involves the procurement and delivery of computing hardware and interface adapters to support prime contractors on Department of Energy Hanford Patrol Operations projects. The scope of work specifically requires the provision of configured AAR PRO After Action Review laptops along with WLN adapters and corresponding USB cables. The supplier must ensure strict adherence to compliance standards, specifically regarding the Identification of Items and the provision of a Certificate of Conformance. This opportunity is categorized under NAICS code 423430 and is managed by the Department of Energy, with a response deadline set for November 4, 2026.

Department Of Energy

POSTED

DEADLINE

SAAB Tactical Engagement Simulation System (TESS) Hardware SupplierThis subcontract involves the procurement and delivery of SAAB Tactical Engagement Simulation System hardware to support Department of Energy Hanford Patrol Operations. The scope of work includes supplying specialized simulation equipment such as Man Worn Player System Head Harnesses, Small Arms Alignment Devices, Blank Fire Devices, and Small Arms Transmitters specifically for M16/M4, M82/M107, and M240 weapon kits. All hardware kits must be delivered to Richland, Washington. Compliance requirements for this contract include adherence to the Buy American Act and the provision of a signed Certificate of Conformance. The opportunity is categorized under NAICS code 334290, with a response deadline set for November 4, 2026.

Department Of Energy

POSTED

DEADLINE