GLOYER-TAYLOR LABORATORIES INC

Tullahoma, TN · Aerospace · Private

High-temperature RF cables and connectors capable of 1200-1500°C operation for hypersonic vehicles

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Updated Oct 23, 2026 · gtlcompany.com

Sector: Aerospace
Headquarters: Tullahoma, TN
Total capital: $38.8M

Federal grants: $8M; 20 awards · 2015–2025; Rank in peer group#40 of 155
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $30.7M; 65 awards · Defense, NASA, Interior; Rank in Aerospace#114 of 1335
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Dec 2025Federal contractDefense · Scalable Homeland Innovative Enterprise Layered Defense (shield) Initial Order.$500
Mar 2025Federal grantDefense · Phase I · SBIR I Proposal #F242-0018-0173: Compact Neon Recovery, Purification, And Liquefication System$180K
Mar 2025Federal contractDefense · SBIR I Proposal #F242-0018-0173: Compact Neon Recovery, Purification, And Liquefication System$180K
Sep 2024Federal grantDefense · Phase II · 873AUTHORITY$500K
Sep 2024Federal contractDefense · 873AUTHORITY$1.2M
Aug 2024Federal contractNASA · FY24 SBIR Phase I- High Temperature Thin Film Shm Sensor$150K
Aug 2024Federal grantNASA · Phase I · FY24 SBIR Phase I- High Temperature Thin Film Shm Sensor$150K

Show 78 earlier federal awards

Dec 2023Federal contractDefense · STTR Phase II - Additively Produced Telescope Mirrors: The Specific Goal Of This Effort Proposes To Continue The Development Of An Additive Production System For Telescope Mirrors Leveraging Previous Research Efforts For Darpa, Mda, And NASA.$1.2M
Dec 2023Federal grantDefense · Phase II · STTR Phase II - Additively Produced Telescope Mirrors: The Specific Goal Of This Effort Proposes To Continue The Development Of An Additive Production System For Telescope Mirrors Leveraging Previous Research Efforts For Darpa, Mda, And NASA.$1.2M
Jul 2023Federal grantNASA · Phase I · Single-Aisle Aircraft LH2 Storage System$150K
Jul 2023Federal contractInterior · SBIR Phase II Effort By Gloyer-taylor Laboratories To Develop Storable Rotating Detonation Rocket Engines (rdre).$2.1M
Nov 2022Federal grantDefense · Phase I · High-Temperature RF Cables$140K
Nov 2022Federal contractDefense · SBIR Phase I$240K
Sep 2022Federal contractDefense · STTR I: Demonstrate Ability To Create A Telescope Mirror Not Requiring Much/any Figuring To Be Usable For Observing Space Objects. Requires Ability To 3D Print At The Nanometer Scale, Or Some Technique To Get Nanometer Figure At A Larger Print Scale.$150K
Jan 2022Federal grantDefense · Phase II · Composite Torpedo Fuel Tank Phase II$1.2M
Jan 2022Federal contractDefense · Research And Development SBIR Ph 2$1.7M
Dec 2021Federal contractDefense · Sbir/sttr Phase I Research & Development - Morphing Rocket Throat$150K
Jul 2021Federal contractNASA · Ultralight Dewar Phase II$750K
Apr 2021Federal grantNASA · Phase I · RCS Gas Generation System$125K
Mar 2021Federal grantDefense · Phase II · High-Temperature Sensors$1.5M
Aug 2020Federal contractNASA · Ultralight Dewar$125K
Aug 2020Federal grantNASA · Phase I · Composite Facility Components$125K
Jul 2020Federal grantNASA · Phase I · Ultralight Dewar$125K
Jul 2020Federal grantNASA · Phase II · Low Boiloff Transfer Lines$750K
Jul 2020Federal contractNASA · Low Boiloff Transfer Lines$1.1M
Jul 2020Federal contractDefense · Research And Development$240K
Jun 2020Federal contractDefense · Research And Development$140K
Feb 2020Federal grantDefense · Phase I · High-Temperature Sensors$225K
Sep 2019Federal contractDefense · Sbir/sttr Phase II R&d - Advanced Dacs Tanks$2M
Aug 2019Federal contractNASA · Ace Booster$750K
Aug 2019Federal contractNASA · In This Phase I, Gtl Will Perform A Series Of Tests To Address Data Gaps And Mature The Bhl Technology Towards Trl 6 For In-space Applications Using Liquid Oxygen (lox) And Liquid Methane (LCH4).$125K
Aug 2019Federal contractNASA · In Recent Studies It Has Been Shown That The Production Of Super-hydrophilic Surfaces Can Reduce Chill-down Time By Altering The Multi-phase Boiling At The Wall Surface.$125K
Feb 2019Federal contractDefense · SBIR I - Pressure Gain Combustor$150K
Jan 2019Federal contractDefense · S3 Prgm - Passive Spacecraft Coating - Af Topic 18A-T011 - STTR 1 Basic Award$150K
Nov 2018Federal contractDefense · Sbir/sttr Phase I Research&development:bhl Advanced Cryotanks$100K
Jul 2018Federal contractNASA · To Achieve The Full Potential Of Pmd/lad Technology For High Performance Space Exploration Missions Mass Reduction Is Essential. Screen Channel Acquisition Devices Are An Interesting Approach For Future Spacecraft Using Cryogenic Propellants. However, Traditional Manufacturing Techniques (i.e. Metal-based) Are Heavy And Have Reliability Issues. To Achieve Desired Mass Savings And Screen Reliability, Gtl Proposes To Develop A High-performance Pmd/lad Using Advanced Composite Materials Technology $125K
Jul 2018Federal grantNASA · Phase II · Structural Nervous System$750K
Jul 2018Federal contractNASA · Gtl Proposes To Further The Development Of Its Sns Technology Towards Adoption Into Aerospace Structures. The Sns Technology Is An Enabler Technology For The Expanded Use Of Structural Health Monitoring Systems. It Allows The Large Data Architectures Needed For These Types Of Systems To Be Implemented With Minimal Mass And Impact To Structural Performance. Gtl Will Accomplish This By Automating The Manufacturing Process Of Its Sns Conductor Elements To Enable The Production Of Conductors On A La$900K
Jun 2018Federal grantDefense · Phase I · Compact Modular DACS$150K
Mar 2018Federal contractInterior · Ace Multi-role Vehicle$100K
Sep 2017Federal contractNASA · Igf::ot::igfgtl Proposes To Further The Development Of Its Sns Technology Towards Adoption Into Aerospace Structures. The Sns Technology Is An Enabler Technology For The Expanded Use Of Structural Health Monitoring Systems. It Allows The Large Data Architectures Needed For These Types Of Systems To Be Implemented With Minimal Mass And Impact To Structural Performance. Gtl Will Accomplish This By Automating The Manufacturing Process Of Its Sns Conductor Elements To Enable The Production Of Conduc$750K
Aug 2017Federal contractDefense · Igf::ot::igf:: New Darpa SBIR Phase II Contract; Proposal Titled, Bhl Cryotank Validation And Enhancement; Solicitation: Darpa 2009.1 SBIR$1.5M
Jul 2017Federal grantDefense · Phase II · UCDS Propulsion Modeling$208K
Jul 2017Federal grantAgriculture · Low Cost Energy Storage For Rural Renewable Energy Micro-grids$95K
Jun 2017Federal contractNASA · Igf::ot::igf Gtl Has Developed An Innovative Composite Repair Methodology Known As The Composite Repair System (crs). In This Phase I Effort, Crs Is Being Developed For The Repair Of Damaged Induced In Thin-laminate Composite Cryotanks. In Applying Crs To Damaged Composite Structures, The Required Level Of Structural Capacity Is Recovered To Within A Predetermined Percentage Of Its Original Performance After Being Damaged. Gtl?s Crs Offers A Repair Method That Reduces Complexity And Time Requir$125K
Jan 2017Federal grantDefense · Phase I · Enhanced Composite Cryotank$150K
Jan 2017Federal contractDefense · Igf::ot::igf$100K
Oct 2016Federal contractDefense · Igf::ot::igf Onsite Training$43K
Sep 2016Federal contractDefense · Igf::ot::igf Ucds For Augmentor Damping$750K
Jun 2016Federal grantNASA · Phase I · Active Radiation Shield$125K
Jun 2016Federal contractNASA · Igf::ot::igf Gtl Proposes To Develop The Cryotank Repair System (crs) For The Repair Of Damages That May Occur During The Life Of A Composite Cryotank. The Crs Consists Of A Bhl Bandage Specifically Design To Reinforce The Damaged Tank Area And Spread The Local Stress Concentration Out Over A Broad Region. This Innovative Composite Repair Technique Can Be Performed On Locations At The Launch Site Greatly Extending Its Usefulness In Repairing Damaged Tanks. Gtl's Thin-ply Bhl Composite Technolo$125K
Apr 2016Federal contractNASA · Igf::ot::igf Bh Technology Offers The Means To Reduce The Mass Of Cryogenic Propellant Tanks By 75 Relative To Stateof The Art Metal Tanks. Since Propellant Tanks Are Generally The Largest Individual Mass Item On A Launch Vehicle Or Spacecraft, This Mass Savings Of This Magnitude Can Have Profound Effect On Vehicle Performance. A Conceptual Design Of A Spherical Bhl Cryotank For The NASA Morpheus Lander Shows An 80 Reduction In Mass From The Existing Aluminum Cryotanks. Replacing All Four Metal $750K
Oct 2015Federal contractDefense · Igf::ct::igf SBIRSOL2015.2$80K
Sep 2015Federal contractNASA · Igf::cl::igf Small Business Innovative Research (SBIR) Phase III For Hybrid Numerical/analytical Modeling For Combustion Instabilities Igf::cl::igf$100K
Aug 2015Federal grantDefense · Phase I · UCDS for Augmentor Damping$150K
Aug 2015Federal contractDefense · Igf::ct::igf Rapid Innovation Fund Project: Oxygen Rich Staged Combustion Engine Stability Scaling$2.8M
Jun 2015Federal contractNASA · Igf::ot::igf Advances In Radiation Shielding Technology Remain An Important Challenge For NASA In Order To Protect Their Astronauts, Particularly As NASA Grows Closer To Manned Missions To The Moon And Mars. Polyethylene Is A Readily Available And Structurally Sound Thermoplastic That Has Recently Gained A Fair Amount Of Notoriety As An Effective Radiation Shield. Gtl Is Proposing To Incorporate Polyethylene Into Its Bhl Technology. The Result Will Be A Lightweight And Multifunctional Composite $125K
Jun 2015Federal contractNASA · Igf::ot::igf Gtl Proposes A Dramatic Improvement In Launch And Space Vehicle Technology For NASA Space And Exploration Missions. The Modified Bhl (mbhl) Technology Provides Significant Reductions In Weight While Exceeding The Helium Permeability Requirements Needed To Meet NASA Long Term Cryogenic Propellant Storage Requirements. The Proposed Effort Builds Upon A Substantial Darpa Investment In Bhl Cryotank Technology For Shorter Storage Duration Mission Applications And Takes The Next Step, Ext$125K
Jun 2015Federal contractNASA · Igf::ot::igf The Proposed Technology Builds Off Gtl's Advanced Solid Ramjet Fuel. The Method Uses Additive Manufacturing Methods To Produce An Innovative New Type Of Fuel Grain That Regresses Quickly And Has A High Isp And Combustion Efficiency. With This Technology, The Performance Of A Liquid Rocket Engine Can Be Had With A Hybrid Rocket System. This Technology Allows For A Simple, Low Cost, High Performance Stage That Is Well Suited For A Nano-sat Vehicle. Reducing Complexity And Parts Count $125K
May 2015Federal contractNASA · Igf::ot::igf Gtl Has Been Developing A Suite Of Transformational Technologies That Have The Capability To Disrupt The Traditional Launch Vehicle Paradigm. Bhl Composite Cryotank Technology Provides A Four Times Improvement Over Large Aluminum Iso-grid Tanks, Offering A 6 Percentage Point Improvement In Small Stage Pmf. Superior Stability Engine Is An Innovative Liquid Rocket Engine Configured To Maximize Combustion Stability Margin While Also Maximizing Engine Performance. Norps Is A Non-helium $750K
Jun 2014Federal contractNASA · Igf::ot::igf Gtl Has Been Developing Three Transformational Technologies That Have The Capability To Disrupt The Traditional Launch Vehicle Paradigm. Bhl Composite Cryotank Technology Provides A Four Times Improvement Over Large Al-li Tanks, Offering A 6 Percentage Point Improvement In Stage Pmf. Superior Stability Engine Is An Innovative Liquid Rocket Engine Configured To Maximize Combustion Stability Margin While Also Maximizing Engine Performance. Norps Is A Non-helium Gas Generator System Th$125K
May 2014Federal contractDefense · Igf::ot::igf SBIR1 Topic N141-011 "advancements In Solid Ramjet Fuel Development"$80K
Jun 2013Federal contractDefense · Status Report$80K
May 2013Federal contractDefense · Igf::ot::igf SBIR P1 AF131-181 Augmentor Stability$150K
Dec 2012Federal contractDefense · Darpa SBIR Ph I$100K
Oct 2012Federal contractDefense · Army SBIR Phase II Entitled,"smfb Technology"$1.0M
Jun 2012Federal contractDefense · STTR Phase II Research And Development Igf::ot::igf$1.5M
Feb 2012Federal contractNASA · The Ucds Process Is The Result Of 50 Years Of Research Into Combustion Instability By The Worlds Leading Scientists And Engineers. The Breakthroughs That Created Ucds Have Provided A Solid Analytical Foundation Upon Which Tools Can Be Developed And Applied. One Of These Is The Ucds Nonlinear Tool, Which Gtl Has Been Applying With Much Success In The Investigations Of The Dynamics Of Solid Rockets, Liquid Rockets And Turbojets. In The Proposed Effort, Gtl Shall Enhance This Tool In Preparation Fo$125K
Oct 2011Federal contractDefense · Army Small Business Inavative Research (SBIR) Phase I Award.$150K
Jun 2011Federal contractNASA · History Has Repeatedly Shown That Combustion Instability Is The Greatest Technical Risk Faced In Any Chemical Propulsion Development Program. The Ucds Process Addresses This Issue By Using A Rigorous Physics-based Analytical Framework To Decompose The Complex Flow Field Inside A Chemical Propulsion Device, Such As A Liquid Or Solid Rocket, In A Way That Allows Rapid Simulation Of The Dynamic Behavior. Using Ucds It Is Possible To Generate High Fidelity Predictions Of The Time Evolution, Amplitud$600K
Mar 2011Federal contractNASA · Gtl Has Already Made Substantial Progress In Developing And Validating The Bhltm Technology For Application To Cryotanks. Earlier Coupon Testing Of The Temperature-dependent Material Properties Confirmed The Potential Of The Bhl Technology To Eliminate The Microcracking Issue. This Was Followed By The Fabrication And Cryo-pressure Cycle Testing Of Small Bhl Cylinders. No Laminate Leaks Or Degradation Were Detected In A Test With More Than 40 Cryo-pressure Cycles. While Other Efforts Are Explorin$100K
Feb 2011Federal contractNASA · Microcracking Issues Have Significantly Limited The Reusability Of State-of-the-art (soa) Composite Cryotanks. While Developers Have Made Some Progress Addressing This Reusability Issue, There Are Also Significant Reliability Issues With The Soa Cryotanks Due To Their Inconsistent Structural Performance. Gtl Has Identified The Root Cause Of This Reliability Issue And Proposes To Confirm This Diagnosis. This Will Be Accomplished By Testing Two Sets Of Laminate Samples; One Set Fabricated With Typ$100K
Dec 2010Federal contractDefense · SBIR I$100K
Sep 2010Federal contractDefense · Performance Of Work In Accordance With$2M
Sep 2010Federal contractDefense · SBIR II Tactical Rocket Engine Stability Tool$746K
May 2010Federal contractDefense · Ph I Research & Development$100K
Mar 2010Federal contractDefense · Unsteady Scramjet Heat Load$100K
Jan 2010Federal contractNASA · The Universal Combustion Device Stability (ucds) Process Is The Culmination Of More Than 40 Years Of Research And Provides The Means To Understand The Complex Dynamics And Processes Inside Any Chemical Propulsion System, Including Liquid Rockets, Solid Rockets, Hybrid Rockets, Turbojet Combustors And Augmentors, And Even Scramjets. In Addition To Predicting Whether A Combustion Chamber Will Oscillate And How Large The Amplitude Of The Oscillation Will Be, Ucds Provides Insight Into Why A Device $100K
Jan 2010Federal contractDefense · Darpa SBIR Phase I$99K
Dec 2009Federal contractNASA · A Recent Breakthrough In Combustion Stability Analysis (ucds) Offers The Potential To Predict The Combustion Stability Of A Scramjet. This Capability Is Very Important Due To The Extreme Scramjet Operational Environment, Which Makes Cut-and-try Development Approaches Impractical. With Ucds, It Will Be Possible To Accurately Predict The Scramjet Pressure Oscillation Amplitudes, Along With Critical Parameters, Including The Unsteady Wall Heat Flux. The Ucds Tools Were Recently Applied To The Ares $600K
Jul 2009Federal contractDefense · SBIR Ph I$99K
Jun 2009Federal contractDefense · Prediction Of Ignition Delay Of Hypergolic Energetic Ionic$100K
Jun 2009Federal contractDefense · Rz West SBIR I - Rocket Stability Design$100K
Jan 2009Federal contractNASA · Scramjet Combustion Stability Behavior Modeling A Recent Breakthrough In Combustion Stability Analysis (ucds) Offers The Means To Accurately Predict The Combustion Stability Of A Scramjet. This Capability Is Very Important Due To The Extreme Scramjet Operational Environment, Which Makes Cut-and-try Development Approaches Impractical. With Ucds, It Is Now Possible To Accurately Predict The Scramjet Pressure Oscillation Amplitudes, Along With Critical Parameters, Including The Unsteady Wall Heat $100K
Jun 2008Federal contractDefense · Avatar Multi-role Morphing Missile$100K

Federal awards are summed by year (85 awards); hover a bar for the split. Form D reports securities sold, which can differ from an announced round; filings are numbered in the order they were made.

Standing among 155 peers

Line = median

Aerospace · Device

Federal grants#40 · top 26%

Cumulative measures favor older companies. Rankings describe position today, not outcome. Below the median, ranks show as a band rather than a number.

Founders and team

No founders are linked to this company yet.

Founders appear once a person is matched to the company through its own patents, grants or filings. We never infer people from social profiles.

Checked: USPTO inventors; federal award principal investigators; SEC Form D related persons · Oct 23, 2026

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What it has protected

No granted patents are on record.

USPTO usually publishes applications 18 months after filing, so recent applications may not be visible yet. Patents assigned under a different entity name won’t match.

Checked: USPTO granted patents and published applications · Oct 23, 2026

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COMPOSITE TECHNOLOGY DEVELOPMENT, INC.Similar federal contract value in Aerospace · $30.5M in contracts
ATMOSPHERIC & SPACE TECHNOLOGY RESEARCH ASSOCIATES LLCSimilar federal contract value in Aerospace · $30.5M in contracts
MOTIV SPACE SYSTEMS, INC.Similar federal contract value in Aerospace · $30M in contracts

Regulatory activity · Aerospace

Sector-level, not company-level

06 Jul 2026Nondiscrimination in Federally Assisted Programs of NASA-Effectuation of Title VI of the Civil Rights Act of 1964National Aeronautics and Space Administration
01 Jul 2026Special Conditions: AMAC Aerospace, The Boeing Company Model 747- 8 Airplane; Side-Facing SeatsFederal Aviation Administration
26 Jun 2026Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous AmendmentsFederal Aviation Administration
23 Jun 2026Operating Limitations at John F. Kennedy International AirportFederal Aviation Administration
23 Jun 2026Operating Limitations at New York LaGuardia AirportFederal Aviation Administration
18 Jun 2026Special Conditions: Honeywell Aerospace US LLC, Dassault Aviation Model Falcon 900EX Airplane; Electronic System Security Protection From Unauthorized External AccessFederal Aviation Administration

Rules are matched to sector, not to company. Recent activity in a sector is context rather than a signal about this business — until rules are matched to what a company actually builds, the section is shown as context and nothing more.

Sources

Federal grants from SBIR/STTR, NIH, NSF and DoD records. Federal contracts from USAspending.gov. Private capital from SEC Form D. Patents from USPTO. Publications from OpenAlex. Regulatory activity from the Federal Register. Press matched on company name.

How to read this page

Figures show associations in public records, not causes or predictions. Nothing here is investment advice. An em-dash means no record was found under this company's name, not that none exists.

Data freshness

SEC Form D filings through Oct 23, 2026. SBIR and STTR awards through Oct 21, 2026.