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About. People • Teams • Integrated. Leader and soldier shoulder American flag.

The Garrett Group begins with extraordinary people, and ends with delivering world-class services and solutions.

The Garrett Group (TGG) is a Service-Disabled Veteran Owned company focused on delivering advanced professional services and solutions to Department of Defense, Intelligence, and Federal agencies since 2007.  Our primary services cover the entire spectrum of customer all-source intelligence and security needs. We also provide notable advisory and assistance to support intelligence and military operations plans and policies, ISR operations, Joint training and exercises, programming and budgeting, and personnel, facility, and physical security. In addition, TGG offers engineering services to assist in the integration of information technology required to support intelligence and security operations.

Our professional service offerings are backed by our commitment to quality service, as evidenced by our previous and current work on USAMS III, DIA Solutions for Intelligence Support, 50th Space Wing Security, DIA Solutions for Intelligence Analysis (SIA) II, USAMS IV OASIS and GSA MAS as well as our ISO 9001 and 27001 certifications. We are fully committed to providing unmatched support to our business partners and award-winning advisory services to our customers. TGG and our highly experienced employees pride ourselves on providing the assistance our customers need for successful and efficient mission accomplishment.


TGG’s founder and executive management team have extensive experience performing and managing military operations, personnel/physical/facility/infrastructure security, counterintelligence support, intelligence collection/requirements management, all-source intelligence analysis, intelligence/operational planning, intelligence systems integration, program management, and capabilities/architecture development efforts for DoD customers while serving in Division, Deputy Division, and Program Management positions at other large DoD contracting firms.


Principal Owner, President, CEO

Tommy formed The Garrett Group in 2007 and serves as President and CEO for TGG. Tommy’s background includes service as an intelligence officer, commander, leader, Nebraska State Senator, and business manager with over 40 years of experience in operations, intelligence, defense contracting and public service.  He has been highly successful in leading and managing large business and intelligence organizations which include: Commander for Military Matters and Director of the Operations Division, National Air Intelligence Center (Pentagon); Commander, Intelligence Division (Squadron), U.S. Air Force Weapons School (Nellis AFB, NV); Deputy Group Commander, Intelligence School House (Goodfellow AFB, TX); Commander, 607th Air Intelligence Group and Director of Intelligence 7th Air Force (Osan AB, Korea); Commander USSTRATCOM Joint Intelligence Center (Offutt AFB, NE); Director, Intelligence, Surveillance, and Reconnaissance Division (Prince Sultan Air Base, Saudi Arabia).  Tommy is a graduate of the National War College, Air War College, Air Command and Staff College, the U.S. Air Force Weapons School and is a RAND Corporation Research Fellow.


Senior Vice President & Chief Operating Officer

Don manages our program management and contract capture personnel and is responsible for the financial execution of the company. A former USAF officer, his military career included flying tours in the RC-135 and B-1B, joint force assignments and operational command. Don is a politically elected Sarpy County Commissioner responsible for all County operations and business-related activities for the fastest growing county in Nebraska. He also serves as Chairman of the Sarpy County and Cities Wastewater Agency. Don is Board member on the 55th Wing Association and is active in numerous civic and fraternal organizations.


VP, Strategic Engagement

Mark is Vice President of Strategic Engagement for The Garrett Group. In this position, he is responsible for business development and customer relations.  After graduating from the United States Air Force Academy, he held several flying assignments serving in positions from instructor to evaluator in both the RC-135 Rivet Joint and RQ-4 Global Hawk. He also commanded at multiple senior levels to include squadron and group command, Team Chief on the National Airborne Operations Center, and Vice Commander of the 55th Wing at Offutt AFB, NE. As the Vice Wing Commander, he was responsible for organizing, training, and equipping six groups and 32 squadrons executing worldwide intelligence, surveillance, and reconnaissance; electronic attack; command and control; presidential support; and treaty verification missions. He was also responsible for base support to more than 50 associate units, including U.S. Strategic Command, 557th Weather Wing, and more than 57,000 active-duty members, civilians, family members and retirees in the Offutt area. Mark is a command pilot with over 4,500 flying hours and is a graduate of the Joint Advanced Warfighting School.


Senior Vice President and Chief Experience Officer
Operations Manager, Northstar JV LLC

Mario serves as The GARRET GROUP’s Vice President for Joint Ventures. His primary responsibilities are to develop, lead, and manage the company’s Joint Venture internal and external operations. Mario served over 25 years in the USAF. He was a career pilot, flying the KC-135, T-37, T-38, and U-2 aircraft. He accumulated over 4,000 flying hours and commanded the 1st Reconnaissance Squadron, the Air Force’s U-2 flying training unit, in addition to multiple overseas operational flying units. He is a graduate of the Air War College resident program. Since his retirement in 2004, Mario has held multiple positions in the defense contracting sector in the Bellevue / Offutt AFB area.


Program Manager

Deb manages a portfolio of contracts and personnel supporting missions at United States Strategic Command (USSTRATCOM) and other Department of Defense organizations. She provides Government customers with experienced and long-term personnel to ensure customer satisfaction and to build enduring partnerships for mission accomplishment. Deb graduated from the University of Nebraska – Lincoln and was commissioned through AFROTC. She served over 21 years as a missile and space officer in the USAF. During her time in service, she was stationed at Minot AFB, ND as a missileer before she transitioned to space operations. As a career space officer, she was assigned to various operations and staff positions at Air Force Space Command (AFSPC), Air Education and Training Command (AETC), US Strategic Command (USSTRATCOM), and United States Air Forces Europe (USAFE). Since she retired in 2017, she has been a defense contractor supporting the J6 and J7 at USSTRATCOM.


Vice President, Capture & Proposal Operations

John brings 28 years of experience leading personnel and building successful teams with a winning record in proposal and capture, intelligence, mission execution, project management, systems and process integration, administration, training, strategic analysis, operations, and planning. As a career intelligence professional, he provided mission support from tactical operations up through national strategic deterrence and defense at the Combatant Command and Joint Staff levels. His Intelligence career includes duties included command and several high visibility service and joint headquarters staff assignments. He is a graduate of National Intelligence University.



Vice President, Strategic Security Operations and Program Management

John is the Assistant Vice President and Chief Security Officer for The Garrett Group. He also serves as Program Manager for various OGA contracts. He brings extensive experience in law enforcement, counter intelligence, intelligence facility design and construction, and personnel security management along with security development and integration. He has served in various DoD and federal law enforcement and security assignments over a 30-year career. He works closely with the intelligence community on current threats affecting all levels of national security, critical infrastructure and public safety within Nebraska. He was a trusted advisor for a large defense contracting firm and member of the FBI’s INFRAGARD program. He was the former Chief Security Officer for the FBI Jackson Division and assisted with the construction of the new FBI’s Headquarters, located in Huntsville, AL. He has handled all security issues regarding program design, development, and implementation. He has been a Special Security Officer (SSO) for nine federal agencies within the U.S. Intelligence Community (USIC) and has managed the security allocation for over 500 employees within the FBI division.



Grace Graybill, aPHR

Payroll and Benefits Manager


Corporate Recruiter


Program Manager

Why Choose The Garrett Group?

“Veteran Owned Business of the Year”

“Sarpy County People’s Choice Award – Defense Contractor of the Year”

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The GARRETT GROUP was established, built, and operates on the foundation of our “I C.A.R.E. Values.”


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    The GARRETT GROUP employees are sought after recognized Subject Matter Experts supporting multiple key services for the US Government.  Over 95% of our team have operational experience in the military or other related government services.  Our veterans bring a treasure of experience ranging from multiple deployments to providing key combat and operational support.  Our company leadership and task leads have led or commanded at the highest levels in various roles and missions throughout our nation’s armed forces. We are committed to delivering innovative, collaborative, and dynamic solutions and services to support our nation’s no-fail missions and achieve success. 

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      We take pride in our continually demonstrated and documented superior performance and our ability to deliver award winning service, support, and results for our clients.

      The GARRETT GROUP has received numerous awards and high-level recognition for the outstanding quality of services and innovative solutions we have provided for multiple clients and organizations. 

      Whether independently or part of a business team, we are ready to provide the same to support to your needs and mission.


      The GARRETT GROUP’s Information Security Management System Used to Secure Business, Customer, and Employee Information Accessed During Management of Technical and Professional Services to Federal, Public Sector, and Commercial Clients.

      The GARRETT GROUP’s Management of Tailored Planning, Analysis, Engineering, and Consulting Services to Assist Federal Government Clients with Executing Daily Operations and Achieving Mission Objectives.

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      The GARRETT GROUP Greenhouse Gas Emissions (CY 2022)

      Please see The GARRETT GROUP Greenhouse Gas Emissions (CY 2022) report below.

      CY 2022 Greenhouse Gas Emissions

      THMG, Inc., dba The Garrett Group (TGG), measured and established a baseline of our greenhouse gas emissions for Calendar Year 2022 for the facility leased and controlled by the company.

      TGG’s GHG emissions report provides measurement of our Scope 1 and Scope 2 emissions, as well as our Scope 3 emissions for CY 2022. TGG attests that the Scope 1, 2 and 3 GHG emissions were calculated in accordance with the GHG Protocol Corporate Accounting and Reporting Standard.

      In calendar year 2022, TGG’s Scope 1 and 2 emissions measured approximately 15.76 metric tons CO2e. Its Scope 3 emissions measured approximately 170.24 metric tons CO2e. The entirety of TGG’s emissions are from the electricity used in the facilities we lease, which is commercial office space, and from employee business travel and commuting.

      Reduction Targets

      TGG is committed to further reduce our greenhouse gas emissions and our impact on the climate and will establish annual reduction targets beginning in 2023. We believe that establishing and meeting these short and mid-term goals will enable us to achieve a reduction in our emissions annually.

      2022 GHG Emissions Data

      GHG Characteristics
      Facility Location: Bellevue, NE 68005
      Facility Type: Commercial Office Space
      Analysis Year: 2022
      Total Facilities: 1
      Estimated GHG Emissions: 186 metric tons CO2e
      Main sources of GHG emissions: Electric usage; employee travel


      Greenhouse Gas (GHG) Purchased Electricity Purchased Heat Business Travel Employee Commutes
      Carbon dioxide (CO2) 15.76   7.02 168.55
      Methane (CH4) 0.000109406   3.096 0.009
      Nitrous oxide (N2O) 1.4694   2.219 0.005
      Hydrofluorocarbons (HFCs) 0 0 0 0
      Perfluorocarbons (PFCs) 0 0 0 0
      Sulfur hexafluoride (SF6) 0 0 0 0
      Nitrogen trifluoride (NF3) 0 0 0 0
      Greenhouse Gas (GHG) Scope 1 Scope 2 Scope 3  
      Carbon dioxide (CO2) 0 15.76 175.57  
      Methane (CH4) 0 0.000109406 3.105  
      Nitrous oxide (N2O) 0 1.4694 2.224  
      Hydrofluorocarbons (HFCs) 0 0 0  
      Perfluorocarbons (PFCs) 0 0 0  
      Sulfur hexafluoride (SF6) 0 0 0  
      Nitrogen trifluoride (NF3) 0 0 0  
      Total CO2e Tons 0 1.628 2.192  

       2022 Analysis Year Emissions


        The GARRETT GROUP believes our employees are our most valuable asset. Therefore, TGG strives to provide comprehensive and competitive benefits designed to offer flexibility, security and long-term value.

        Medical Insurance

        The GARRETT GROUP offers eligible employees, and their families, comprehensive medical coverage through United Health Care. (Options based on location.)

        Vision Insurance

        Participants may elect coverage for themselves and their families under the TGG United Health Care Spectera Vision Plan.

        Dental Insurance

        The GARRETT GROUP Family Dental Plan is offered through United Health Care.

        Life Insurance

        The GARRETT GROUP offers company-paid life insurance for all full-time employees

        Disability Programs

        The GARRETT GROUP offers several types of financial protection. We offer comprehensive and generous disability benefits including short-term disability coverage. These programs are designed to provide income in the event a participant becomes ill or disabled and is unable to work for an extended period.

        401k Safe Harbor Plan

        The GARRETT GROUP 401(k) plan includes an employer matching contribution that provides additional savings for your retirement. The plan is a “Safe Harbor” plan with immediate 100% vesting. TGG’s 401(k) Plan offers traditional 401(k) savings though pre-tax contributions and/or Roth 401(k) savings through after-tax contributions.

        Additional Benefits Provided By The Garrett Group

        • Training and career development
        • Educational assistance for accredited programs
        • Opportunities for flexible work schedules
        • Generous leave accrual and paid holidays