Exo-Atmospheric Technologies LLC

Menomonee Falls, WI · Aerospace · Private

Deployable hypersonic antenna assembly using advanced additively-manufactured materials for RF communication on glide vehicles through plasma environments

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Updated Oct 23, 2026

Sector: Aerospace
Headquarters: Menomonee Falls, WI
Total capital: $34.7M

Federal grants: $16.1M; 20 awards · 2018–2026; Rank in peer group#13 of 155
Private capital raised: None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts: $18.7M; 24 awards · Defense; Rank in Aerospace#159 of 1335
Granted patents: None on recordNo USPTO grants. Applications publish after 18 months.

Capital timeline

Latest events

Mar 2026Federal grantDefense · Phase II · Additively-manufactured Insulated Propulsion Component (amipc) 2ND SBIR Phase II$2M
Mar 2026Federal contractDefense · Additively-manufactured Insulated Propulsion Component (amipc) 2ND SBIR Phase II$2M
Mar 2026Federal contractDefense · Advanced Instrumentation For Carbon-carbon Structures In Hypersonic Environments$1.5M
Mar 2026Federal grantDefense · Phase II · Advanced Instrumentation For Carbon-carbon Structures In Hypersonic Environments$1.5M
Sep 2025Federal contractDefense · SBIR Phase II: Non-eroding Sonic Throat (nest)$1.9M
Sep 2025Federal grantDefense · Phase II · SBIR Phase II: Non-eroding Sonic Throat (nest)$1.9M
Sep 2025Federal grantDefense · Phase II · SBIR Direct To Phase II: Affordable Divert And Attitude Control System Backpack (adacs Bp)$2M

Show 37 earlier federal awards

Sep 2025Federal contractDefense · SBIR Direct To Phase II: Affordable Divert And Attitude Control System Backpack (adacs Bp)$2M
Mar 2025Federal grantDefense · Phase II · 873AUTHORITY$500K
Mar 2025Federal contractDefense · 873AUTHORITY$896K
Dec 2024Federal contractDefense · Sbir/sttr Phase I Research & Development -throttling Tactical Propellant (ttp)$149K
Nov 2024Federal grantDefense · Phase II · Sbir/sttr Phase II R&d: Pintle Actuator For Hypersonic Defense (pahd)$1.8M
Nov 2024Federal contractDefense · Sbir/sttr Phase II R&d: Pintle Actuator For Hypersonic Defense (pahd)$1.8M
Aug 2024Federal grantDefense · Phase I · Sbir/sttr Phase I Research & Development - Non-eroding Sonic Throat (nest)$149K
Aug 2024Federal contractDefense · Sbir/sttr Phase I Research & Development - Non-eroding Sonic Throat (nest)$149K
Jul 2024Federal grantDefense · Phase I · SBIR Phase 1 Contract Award$139K
Jul 2024Federal contractDefense · SBIR Phase 1 Contract Award$139K
Apr 2024Federal grantDefense · Phase I · SBIR Phase I - Safe Ascent Modular Propellant Loading Equipment (sample) Topic: SF233-0022$189K
Apr 2024Federal contractDefense · SBIR Phase I - Safe Ascent Modular Propellant Loading Equipment (sample) Topic: SF233-0022$189K
Oct 2023Federal contractDefense · SBIR Phase I Research & Development Pintle Actuator For Hypersonic Defense (pahd)$150K
Apr 2023Federal contractDefense · Sbir/sttr Phase II R&d Additively-manufactured Insulated Propulsion Components (amipc)$1.5M
Apr 2023Federal contractDefense · Research And Development$865K
Mar 2023Federal grantDefense · Phase II · Additively-Manufactured Insulated Propulsion Components (AMIPC)$1.5M
Nov 2022Federal grantDefense · Phase I · Deployable Hypersonic Antenna Assembly (DHAA)$139K
Nov 2022Federal contractDefense · SBIR Ph I$239K
Sep 2022Federal contractDefense · Small Business Innovative Research Phase II - Advanced Monopropellant Management Device$750K
Feb 2022Federal grantDefense · Phase II · Integrated Carbon-Carbon Ultrasonic Recession Sensor$1M
Feb 2022Federal contractDefense · Research And Development$2.1M
Nov 2021Federal contractDefense · Sbir/sttr Phase I Research & Development - Additively Manufactured Insulated Throat Insert (amiti)$149K
Jul 2021Federal contractDefense · SBIR Ph I$237K
Mar 2021Federal contractDefense · Small Business Innovative Research Phase I SBIR.$108K
Oct 2020Federal grantDefense · Phase I · Advanced Combat Vehicle Piston (ACVP)$108K
Oct 2020Federal contractDefense · Research And Development$236K
May 2020Federal grantDefense · Phase II · High Efficiency Hypersonic Control Flap (HEHCF) for High-G Manuevering$996K
May 2020Federal contractDefense · Sbir/sttr Phase II R&d: High Efficiency Hypersonic Control Flap (hehcf) For High-g Manuevering$1.3M
Sep 2019Federal grantDefense · Phase II · Low-Drag Jet Vane-Thrust Vector Control for Exo-Atmospheric Propulsion Systems$924K
Jul 2019Federal contractDefense · STTR Phase I, Advanced Diagnostic For Performance And Combustion Characterization In Rotational Detonation Rocket Engine (rdre).$150K
Mar 2019Federal grantDefense · Phase I · Hypergolic Hydrocarbon Engine$99K
Mar 2019Federal grantDefense · Phase I · High Efficiency Hypersonic Control Flap$124K
Jan 2019Federal grantDefense · Phase II · Advanced Instrumentation for Carbon-Carbon Structures in Hypersonic Environments$744K
Nov 2018Federal contractDefense · Sbir/sttr Phase I Research&development - Radgpu- Radiation Hardened Gpu In A Cubesat$99K
Sep 2018Federal grantDefense · Phase I · Advanced Monopropellant Management Device$129K
Jun 2018Federal grantDefense · Phase I · Low-Drag Jet Vane-Thrust Vector Control for Exo-atmospheric Propulsion Systems$146K
Sep 2017Federal contractDefense · Igf::ot::igf SBIR Phase I Instrumentation For Carbon-carbon Structures In Extreme Environments$150K

Federal awards are summed by year (44 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#13 · top 8%

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

Allcomp Inc.Similar federal contract value in Aerospace · $19.4M in contracts
Astranis Space Technologies CorpSimilar federal contract value in Aerospace · $19M in contracts
FIBER DYNAMICS, INCSimilar federal contract value in Aerospace · $18.8M in contracts
ARCHARITHMS INCSimilar federal contract value in Aerospace · $18.4M in contracts
ACELLENT TECHNOLOGIES INCSimilar federal contract value in Aerospace · $18.3M in contracts
OXEON ENERGY LLCSimilar federal contract value in Aerospace · $17.9M 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.