TPS, LLC was founded in April 2025. The experience below reflects the personal past performance of our Founder & Principal, David D. Troxell, PE, PMP, in senior military leadership and corporate program-management roles prior to and leading into the firm's founding, not contracts performed under the TPS name. He is also a small business owner and LLC board member with 20+ years of experience across real estate, advertising, and telecommunications.
Professional Network
- Federal Agency & U.S. Military
- State & Local Government
- Corporate & Commercial
- International
- Non-Profit & Public Service Organizations
- Industry & Professional Associations
- Veteran & Civic Organizations
- Alumni Associations
Government Sector
- U.S. Air Force & U.S. Space ForceHAF, PACAF, USAFE, AFAFRICA, ACC, AMC, AFMC, AFIMSC, AFCEC, AFSPC, & AFSOC
- U.S. Navy NAVFACAtlantic, Mid-Atlantic, Pacific, Hawaii, Marianas, Southeast, & Southwest
- Naval Explosive Ordnance Disposal Technology Division (NAVEODTECHDIV)
- U.S. Navy Supervisor of Salvage & Diving (SUPSALV)
- U.S. Army Corps of EngineersHuntsville Center; Omaha, Louisville, Kansas City, & Tulsa Districts
- U.S. Army Special Operations Forces (SOF) & Ordnance
- Combatant CommandsEUCOM · AFRICOM · SOCAFRICA · NORTHCOM
- Federal Aviation Administration (FAA)
- U.S. Environmental Protection Agency (EPA)
- Explosives Safety Boards & AuthoritiesDoD Explosives Safety Board (DDESB) · U.S. Army Technical Center for Explosives Safety (USATCES) · Naval Ordnance Safety & Security Activity (NOSSA)
Previously Worked With
- AECOM Technical Services, Inc.
- CAPE Environmental Management, Inc.
- Cherokee Federal
- Chugach
- Fluor Corporation
- Jacobs Government Services, Inc.
- Parsons Government Services, Inc.
- Sevenson Environmental Services, Inc.
- Stantec Inc.
- Tetra Tech, Inc.
- Tidewater, Inc.
- Weston Solutions, Inc.
Additional Firms & Organizations Engaged
- A-Zone Environmental
- AES Hawaii
- Aptim
- Arcadis
- Battelle Memorial Institute
- Black Tusk Geophysics
- Cedarville Engineering
- Clear Path UXO
- Conti Federal
- Dawson
- ECS Mid-Atlantic
- Environmental Chemical Corporation
- GEMS
- General Dynamics Corporation
- Larson Design Group
- Laukoa
- Leidos, Inc.
- Mason & Hanger
- Matrix Design Group
- Merrick & Co.
- MT2
- NAEVA Geophysics
- Northwest Demolition & Dismantling
- PCCI
- Schnabel Engineering
- Sea Engineering
- Stanley Consultants
- Temsense
- Unitek
- White River Technologies
Other Networks & Affiliations
Alumni, professional, and veteran communities we engage and draw on, through membership or established access.
- Virginia Military Institute Alumni Association
- University of Florida Alumni Association
- University of Virginia, Darden School of Business Alumni Association
- Society of American Military Engineers
- American Society of Civil Engineers
- Explosive Ordnance Disposal MasterBlasters, Inc.
- EOD Warrior Foundation
- Veterans of Foreign Wars
