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Tyonek Services Group, Incorporated (TSGI) wholly owns, operates and manages six (6) subsidiaries, three (3) of which are certified Small Disadvantaged Business (SDB) concerns who also participate in the Small Business Administration (SBA) 8(a) Program. All subsidiaries carry ISO 9001:2015 and AS9100: Rev D and AS9110: Rev C and are ITAR registered.



TSGI subsidiaries provide full spectrum Aviation Maintenance and Logistics, Cyberspace and Cyber Simulator Training, Network Administration, and Federal Contracting and Contract Closeout workforce augmentation support services. TSGI’s considerable corporate experience and high CPARS ratings provide a solid foundation for our client’s mission success and customer satisfaction.



TSGI’s accounting system and rate structure are audited and have been approved by the Defense Contract Audit Agency (DCAA) affording you the best possible pricing. Accordingly, TSGI subsidiaries are eligible to receive federal contracts of any type; i.e., Firm Fixed Price (FFP), Time and Materials (T&M), Cost Reimbursement (CPFF, CPAF, CPIF) and Indefinite Delivery/Indefinite Quantity (IDIQ) arrangements and are tailored to meet your specific project needs at highly competitive prices. Our purchasing system is also reviewed and found acceptable by the Defense Contract Management Agency (DCMA). Our 8(a) subsidiaries include Tyonek Worldwide Services, Inc. (TWS); Tyonek Global Services, LLC (TGS); Tyonek Services Corporation (TSC) and Tyonek Technical Services, LLC (TTS).


Services Capabilities



Aviation Maintenance


Tyonek provides full-spectrum aerospace maintenance and logistics solutions. We support critical military and commercial aviation needs with end-to-end professional services and technical support. We provide DCMA 8210.1 approved Organizational, Intermediate, and Depot Maintenance for US Army, US Navy, US Air Force, and US Forest Service aircraft, subsystems, and ground support/test equipment.


The dedicated professionals at Tyonek install aircraft modification programs for a broad range of weapons systems, updating aircraft to mission-ready status. Group “A” and “B” kit fabrication, assembly, installation and modifications are carried out swiftly and skillfully in support of our customers. Our experience includes:



  • U.S. Army H-64 Apache, H-60 Blackhawk, H- 47 Chinook, H-58 Kiowa and Kiowa Warrior, UH-1 Huey, and AH-1 Cobra airframes for assigned aircraft as well as transient aircraft

  • RDT&E Flight Crew

  • RDT&E Instrumentation

  • Army Fixed Wing MWO installs

  • F/A-18 Hornet PMI I & PMI II & Center Barrel Replacement Plus CBR+

  • EA-6B Prowler SLE and Cockpit Modifications

  • P-3 Orion PMI, Zone 5 Wing Repair, Explosive Suppressant Foam (ESF) Program

  • P-3 Orion Avionics Modifications

  • H-60 PMI & ISR (All variants Navy, Army, Coast Guard and Air Force)

  • T-34/T-44/T-6 Trainer aircraft

  • MQ-8 Fire Scout Unmanned Helicopter

  • E6-B TACAMO Avionics Modification Installations

  • USFS C-23 Aircraft support

  • Ground Support Equipment Maintenance

  • Full spectrum Contractor Logistics Support (CLS) and Supply Support Activity(SSA)


Professional and Technical Services


Tyonek provides mission-critical support for DoD customers in IT, Cyber, Special Operations, and Training Support. Our success is built on uncompromising customer service and unparalleled responsiveness to emerging requirements in these dynamic fields.


IT support and Cyber Operations


Tyonek Technical Services provides end-to-end software implementation and training support as well as customized IT services for U.S. Government customers. We work with large software OEMs to meet delivery schedule and requirements. Work includes:



  • Needs analysis

  • Solution development and Subject Matter Expertise

  • Procurement and contracting support

  • Implementation and data migration

  • Information Assurance and Cyber Security

  • Project Management

  • User training

  • Reporting and business case analysis


Tyonek provides the highest level of DoD cyber operations support including OCO and DCO, cyber training, virtual range development and operations, threat analysis and detection, and mission center response support. Our facility clearances and ability to recruit and retain highly skilled, specialized and experienced cyber warriors makes us a critical partner in the 5th Domain.


Special Operations Mission Support


Mission-focused CONUS and deployable support for special operations requirements including headquarters support, field support, and specialized procurement, kitting and manufacturing.


Training and Education Support


We provide formal training and education services customized to meet highly technical skill requirements in military fields. Our wide range of DoD training and education services includes:



  • Curriculum design

  • Courseware development

  • Virtual training range design/operation (Cyber)

  • Exercise support/Range support (Special Operations, UAS, and Aviation)

  • Adversary TTP assessment and incorporation

  • Lessons Learned Instruction and doctrine-based curriculum revisions

  • Engineering and Subject Matter Expertise

  • Accreditation by credentialing agencies such as the Community College of the Air Force


What AS9110 Quality Means to Us



  • AS9110 Registered Aerospace and Defense

  • AS9110 Registered

  • Mature Audit proven Quality Management System

  • Continuous Improvement for Quality and Safety management based on actual measured key performance indicators

  • Commendable employee training management program

  • Management commitment to the health and safety of our employees and their environment through composite risk management