Hartzell Engine Technologies LLC

Montgomery, AL · Aerospace · Private

Advanced lightweight turbocharger for high-altitude aviation diesel engines

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Updated · hartzell.aero

Sector
Aerospace
Headquarters
Montgomery, AL
Total capital
$7.8M
Federal grants
$688K
2 awards · 2018–2019
Rank in peer group#50 of 77
Private capital raised
None on recordNo Form D filings on SEC EDGAR. Some raises are not filed.
Federal contracts
$7.1M
238 awards · Defense
Rank in Aerospace#284 of 1335
Granted patents
1
1 pending · first 2019
Rank in peer group#12 of 77

Capital timeline

20112013201520172019202120232025FEDERAL ↑EQUITY ↓Cumulative $7.8M2011: $274K across 5 contracts2012: $86K across 2 contracts2013: $163K across 9 contracts2014: $98K across 14 contracts2015: $388K across 17 contracts2016: $173K across 22 contracts2017: $140K across 22 contracts2018: $150K across 1 grant · $988K across 34 contracts$1.1M2019: $538K across 1 grant · $1.1M across 22 contracts$1.6M2020: $1.1M across 13 contracts$1.1M2021: $322K across 11 contracts2022: $897K across 12 contracts$897K2023: $716K across 22 contracts$716K2024: $489K across 9 contracts$489K2025: $187K across 13 contracts2026: $3K across 2 contracts
2011201520192023FEDERAL ↑EQUITY ↓Cumulative $7.8M2011: $274K across 5 contracts2012: $86K across 2 contracts2013: $163K across 9 contracts2014: $98K across 14 contracts2015: $388K across 17 contracts2016: $173K across 22 contracts2017: $140K across 22 contracts2018: $150K across 1 grant · $988K across 34 contracts$1.1M2019: $538K across 1 grant · $1.1M across 22 contracts$1.6M2020: $1.1M across 13 contracts$1.1M2021: $322K across 11 contracts2022: $897K across 12 contracts$897K2023: $716K across 22 contracts2024: $489K across 9 contracts2025: $187K across 13 contracts2026: $3K across 2 contracts

Latest events

  • Federal contractDefense · 8511931705!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511918514!SCREW,MACHINE$879
  • Federal contractDefense · 8511636472!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511565504!HOUSING,SPARK Plug$749
  • Federal contractDefense · 8511477898!HOUSING,SPARK Plug$728
  • Federal contractDefense · 8511442553!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511467865!TERMINAL Pre-insula$719
Show 224 earlier federal awards
  • Federal contractDefense · 8511448109!VIBRATOR,SOLID Stat$25K
  • Federal contractDefense · 8511448007!GASKET$879
  • Federal contractDefense · 8511351552!IGNITER,SPARK,FUEL$133K
  • Federal contractDefense · 8511283814!TUBE Assembly$6K
  • Federal contractDefense · 8511257368!VALVE Assembly,envi$9K
  • Federal contractDefense · 8511186121!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511126232!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511110404!TUBE Assembly$3K
  • Federal contractDefense · 8511052150!TUBE Assembly$950
  • Federal contractDefense · 8511017645!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8511006938!TUBE Assembly$863
  • Federal contractDefense · 8510946877!TUBE Assembly$268
  • Federal contractDefense · 8510871812!PUMP,CONTROL Assemb$449K
  • Federal contractDefense · 8510819466!COLLAR,VIBRATOR Sup$6K
  • Federal contractDefense · 8510815740!TUBE Assembly$17K
  • Federal contractDefense · 8510705336!IGNITER,SPARK,AIRCR$1K
  • Federal contractDefense · 8510545913!FILTER,RADIO Freque$12K
  • Federal contractDefense · 8510346419!TUBE,DRAIN,AIRCRAFT$5K
  • Federal contractDefense · 8510266388!CLAMP,LOOP$10K
  • Federal contractDefense · 8510194047!TUBE Assembly$9K
  • Federal contractDefense · Overhaul Of CH-47 Control Assembly. National Stock Number: 1660-01-115-3636$369K
  • Federal contractDefense · 8510094139!FILTER,RADIO Freque$8K
  • Federal contractDefense · 8510062494!IGNITER,SPARK,AIRCR$739
  • Federal contractDefense · 8510026389!TUBE Assembly$11K
  • Federal contractDefense · 8509969843!PUMP,CONTROL Assemb$129K
  • Federal contractDefense · 8509968058!FILTER,RADIO Freque$11K
  • Federal contractDefense · 8509927017!TUBE Assembly$695
  • Federal contractDefense · 30 Each Nsn 1660-01-115-3636 Pn B65C30 Control Assembly, He$135K
  • Federal contractDefense · 8509821598!FILTER,RADIO Freque$4K
  • Federal contractDefense · 8509811295!NOZZLE,OIL Burner,p$68
  • Federal contractDefense · 8509796973!IGNITER,SPARK,AIRCR$2K
  • Federal contractDefense · 8509743788!IGNITER,SPARK,AIRCR$1K
  • Federal contractDefense · 8509674425!FILTER,RADIO Freque$5K
  • Federal contractDefense · 8509731955!IGNITER, Spark Aircr$3K
  • Federal contractDefense · 8509723077!WASHER Flat$381
  • Federal contractDefense · 8509687859!DIAPHRAGM Assy, Regu$7K
  • Federal contractDefense · 8509683762!GASKET$205
  • Federal contractDefense · 8509661020!GASKET$260
  • Federal contractDefense · 8509648811!NOZZLE, Heater$6K
  • Federal contractDefense · 8509581499!SPRING,HELICAL,COMP$76
  • Federal contractDefense · 8509273933!NOZZLE,OIL Burner,p$62
  • Federal contractDefense · 8509240790!HOUSING,SPARK Plug$2K
  • Federal contractDefense · 8509186918!COIL,IGNITION$7K
  • Federal contractDefense · Igniter, Spark, Aircr$458K
  • Federal contractDefense · 8509097789!DIAPHRAGM Assembly$774
  • Federal contractDefense · 8509057595!DIAPHRAGM Assy, Regu$4K
  • Federal contractDefense · 8509034046!LEVER Assy,regulato$26K
  • Federal contractDefense · 8509013616!IGNITER,SPARK,AIRCR$914
  • Federal contractDefense · 8508905771!NOZZLE,OIL Burner,p$57
  • Federal contractDefense · System: CH-47F Noun: Control Assembly, He National Stock Number: 1660-01-115-3636$398K
  • Federal contractDefense · 8508818948!NOZZLE,OIL Burner,p$57
  • Federal contractDefense · Regulator,fuel Pres$90K
  • Federal contractDefense · 8508606365!BRACKET,SUPPORT,HEA$149
  • Federal contractDefense · 8508523323!TERMINAL,STUD$3K
  • Federal contractDefense · 8508510192!NOZZLE,HEATER$4K
  • Federal contractDefense · 8508394217!LEAD And Conduit As$3K
  • Federal contractDefense · 8508233396!IGNITER,SPARK,AIRCR$780
  • Federal contractDefense · 8508167015!PUMP Unit,rotary$12K
  • Federal contractDefense · 8507978359!VALVE,SOLENOID$50K
  • Federal contractDefense · 8507953823!FILTER,FLUID$3K
  • Federal contractDefense · 8507953401!HOUSING,SPARK Plug$130K
  • Federal contractDefense · 8507899652!SWITCH,PRESSURE$29K
  • Federal contractDefense · 8507849021!LEVER Assy,regulato$38K
  • Federal contractDefense · 8507830975!IGNITER,SPARK,AIRCR$25K
  • Federal contractDefense · 8507801653!LEAD,ELECTRICAL$33K
  • Federal contractDefense · 8507769943!COIL,IGNITION$4K
  • Federal contractDefense · 8507750115!DISK,VALVE$1K
  • Federal contractDefense · 8507716085!FILTER,FLUID$2K
  • Federal contractDefense · 8507699332!IGNITER,SPARK,AIRCR$22K
  • Federal contractDefense · 8507423669!WASHER Flat$150
  • Federal contractDefense · 8507296128!GASKET$605
  • Federal contractDefense · 8507257824!TUBE Assembly$23K
  • Federal contractDefense · 8507238021!PUMP Unit,rotary$42K
  • Federal contractDefense · SBIR II Topic A18-019 - Year 1 - Development Of A Turbocharger For Small Aviation Diesel Engines$913K
  • Federal contractDefense · 8507116659!FILTER,FLUID$4K
  • Federal contractDefense · 8506991622!CIRCUIT Breaker$3K
  • Federal contractDefense · Alternator Rebuild Parts Kits For The Weapons Development And Integration Directorate.$98K
  • Federal contractDefense · Igniter, Spark, Aircr Nsn: 1660-01-121-7198 Mfr Part Number: A11C30-1$200K
  • Federal contractDefense · 8506695319!TUBE And Cone Assem$42K
  • Federal contractDefense · 8506677266!TUBE Assembly,metal$1K
  • Federal contractDefense · 8506598128!WASHER,FLAT$1K
  • Federal grantDefense · Phase II · Development of a Turbocharger for Small Aviation Diesel Engines$538K
  • Federal contractDefense · System: CH-47F Noun: Control Assembly, He$385K
  • Federal contractDefense · 8506536601!COIL,IGNITION$9K
  • Federal contractDefense · The Purpose Of Delivery Order Is To Purchase Maintenance And Overhaul Of Noun: Control Assembly, He, And To Preform Pva Inspection$256K
  • Federal contractDefense · 8506457768!BASE,CONTROL Assemb$5K
  • Federal contractDefense · 8506436879!WASHER,FLAT$193
  • Federal contractDefense · 8506397905!BASE,CONTROL Assemb$5K
  • Federal contractDefense · 8506398002!IGNITER, Spark, Aircraft Heat$9K
  • Federal contractDefense · 8506339900!TUBE Assembly$664
  • Federal contractDefense · 8506327881!IGNITER,SPARK,FUEL$16K
  • Federal contractDefense · 8506327337!DISK,VALVE$2K
  • Federal contractDefense · 8506313063!IGNITER,SPARK,FUEL$29K
  • Federal contractDefense · 8506303916!VALVE Assembly,envi$6K
  • Federal contractDefense · 8506280350!IGNITER, Spark, Aircraft Heat$6K
  • Federal contractDefense · 8506266194!BASE,CONTROL Assemb$2K
  • Federal contractDefense · 8506241539!BASE,CONTROL Assemb$3K
  • Federal contractDefense · 8506191756!BASE,CONTROL Assemb$2K
  • Federal contractDefense · 8506165454!BASE,CONTROL Assemb$2K
  • Federal contractDefense · 8506003327!VALVE,SOLENOID$53K
  • Federal contractDefense · 8505995268!TUBE Assembly,metal$1K
  • Federal contractDefense · 8505984768!PUMP Unit,rotary$212K
  • Federal contractDefense · 8505987513!TUBE Assembly,metal$462
  • Federal contractDefense · 8505948134!TUBE Assembly$134
  • Federal contractDefense · 8505938127!LEAD And Conduit As$7K
  • Federal contractDefense · 8505935273!TUBE Assembly BJ30C03$321
  • Federal contractDefense · Heater,aircraft Nsn: 1660-01-229-1251$302K
  • Federal contractDefense · 8505904841!TUBE Assembly,metal$1K
  • Federal contractDefense · 8505891434!TUBE Assembly,metal$536
  • Federal contractDefense · 8505874424!TUBE Assembly,metal$298
  • Federal contractDefense · 8505821188!TUBE Assembly BJ30C03$214
  • Federal contractDefense · 8505818548!BASE,CONTROL Assemb$3K
  • Federal contractDefense · 8505685089!IGNITER, Spark, Aircraft Heat$5K
  • Federal contractDefense · 8505799914!LEAD,ELECTRICAL$28K
  • Federal contractDefense · 8505775846!TUBE Assembly$267
  • Federal contractDefense · 8505776452!PUMP Unit,rotary$25K
  • Federal contractDefense · 8505705808!BASE,CONTROL Assemb$3K
  • Federal contractDefense · 6 Month SBIR Phase I Topic A18-019. The Contractor Shall Perform Research And Development Of A Lightweight Turbocharger That Delivers 108 Hp At 30K Ft Altitude For Uav's Using Compression Ignition Engines.$150K
  • Federal contractDefense · 8505616132!VIBRATOR,SOLID Stat$12K
  • Federal contractDefense · 8505616539!GASKET$92
  • Federal contractDefense · 8505578438!IGNITER,SPARK,FUEL$12K
  • Federal contractDefense · 8505578257!FILTER,RADIO Freque$6K
  • Federal grantDefense · Phase I · Development of a Lightweight Turbocharger that Delivers 108 HP at 30K ft Altitude for UAV's using Compression Ignition Engines$150K
  • Federal contractDefense · 8505507776!VALVE,SOLENOID$54K
  • Federal contractDefense · 8505509601!VALVE,SOLENOID$68K
  • Federal contractDefense · 8505499266!VIBRATOR,SOLID Stat$6K
  • Federal contractDefense · 8505459222!IGNITER,SPARK,FUEL$15K
  • Federal contractDefense · 8505259562!HOUSING,SPARK Plug$363
  • Federal contractDefense · 8505246533!LEAD Assyheater$426
  • Federal contractDefense · 8505190536!IGNITER, Spark, Aircraft Heat$4K
  • Federal contractDefense · 8505171605!LEAD And Conduit As$7K
  • Federal contractDefense · 8505136312!BASE,CONTROL Assemb$3K
  • Federal contractDefense · 8505081484!VIBRATOR,SOLID Stat$6K
  • Federal contractDefense · 8504974724!LEAD And Conduit As$16K
  • Federal contractDefense · 8504944804!VIBRATOR,SOLID Stat$5K
  • Federal contractDefense · 8504908871!PUMP Unit,rotary$9K
  • Federal contractDefense · 8504905429!SWITCH,PRESSURE$23K
  • Federal contractDefense · 8504902845!FILTER,FLUID$856
  • Federal contractDefense · 8504884534!IGNITER, Spark, Aircraft Heat$1K
  • Federal contractDefense · 8504831632!IGNITER, Spark, Aircraft Heat$1K
  • Federal contractDefense · 8504770649!IGNITER, Spark, Aircraft Heat$2K
  • Federal contractDefense · 8504783117!VALVE,SOLENOID$38K
  • Federal contractDefense · 8504686802!COIL,IGNITION$9K
  • Federal contractDefense · 8504656449!GASKET,RECEPTACLE A$179
  • Federal contractDefense · 8504634925!HOUSING And Jet Ass$4K
  • Federal contractDefense · 8504649891!COIL,IGNITION$1K
  • Federal contractDefense · 8504648198!FILTER,RADIO Freque$749
  • Federal contractDefense · 8504632463!BASE,CONTROL Assemb$3K
  • Federal contractDefense · 8504613884!BASE,CONTROL Assemb$1K
  • Federal contractDefense · 8504509340!HOUSING,SPARK Plug$181
  • Federal contractDefense · 8504494426!CIRCUIT Breaker$2K
  • Federal contractDefense · 8504462761!LEAD And Conduit As$22K
  • Federal contractDefense · 8504384275!GASKET / 29C24 (op)$27
  • Federal contractDefense · 8504267392!COIL,IGNITION$2K
  • Federal contractDefense · 8503994762!GASKET$69
  • Federal contractDefense · 8503826735!FILTER,RADIO Freque$1K
  • Federal contractDefense · 8503757792!LEAD Assyheater$213
  • Federal contractDefense · 8503750785!STRAINER Element,se$528
  • Federal contractDefense · 8503725801!HOUSING,SPARK Plug$1K
  • Federal contractDefense · 8503601771!VALVE Assembly,envi$12K
  • Federal contractDefense · 8503524972!IGNITER, Spark, Aircraft Heat$7K
  • Federal contractDefense · 8503058668!VIBRATOR,SOLID Stat$4K
  • Federal contractDefense · 8503500434!FILTER,RADIO Freque$1K
  • Federal contractDefense · 8503489488!STRAINER Element,se$347
  • Federal contractDefense · 8503472595!FILTER,RADIO Freque$603
  • Federal contractDefense · 8503432027!VIBRATOR,SOLID Stat$4K
  • Federal contractDefense · 8503296113!PUMP Unit,rotary$22K
  • Federal contractDefense · 8503240381!COIL,IGNITION$3K
  • Federal contractDefense · 8503214603!IGNITER,SPARK,FUEL$26K
  • Federal contractDefense · 8503084187!FILTER,RADIO Freque$603
  • Federal contractDefense · 8503005204!PUMP Unit,rotary$22K
  • Federal contractDefense · 8503002748!LEAD And Conduit As$18K
  • Federal contractDefense · 8502993772!SWITCH,PRESSURE$24K
  • Federal contractDefense · 8502964440!CIRCUIT Breaker$3K
  • Federal contractDefense · 8502879508!VIBRATOR,SOLID Stat$3K
  • Federal contractDefense · 8502861919!LEAD And Conduit As$9K
  • Federal contractDefense · 8502839737!IGNITER,SPARK,FUEL$11K
  • Federal contractDefense · Order 0003 Under Basic Contract For The Maintenance And Overhaul Of The Control Assy.$223K
  • Federal contractDefense · 8502498647!GASKET / 29C24 (op)$26
  • Federal contractDefense · 8502380773!VALVE Assembly,envi$840
  • Federal contractDefense · 8502298218!BRACKET,ELECTRICAL$5K
  • Federal contractDefense · 8502285659!STEM,FLUID Valve$567
  • Federal contractDefense · 8502274740!CIRCUIT Breaker$520
  • Federal contractDefense · 8502200381!VALVE Assembly,envi$1K
  • Federal contractDefense · 8502193511!LEAD And Conduit As$8K
  • Federal contractDefense · 8502144817!SWITCH,PRESSURE$38K
  • Federal contractDefense · 8501933338!IGNITER,SPARK,FUEL$13K
  • Federal contractDefense · 8501922727!VALVE,SOLENOID$67K
  • Federal contractDefense · 8501798780!FILTER,FLUID$8K
  • Federal contractDefense · 8501789879!IGNITER, Spark, Aircraft Heat$9K
  • Federal contractDefense · 8501782422!TUBE Assembly,metal$8K
  • Federal contractDefense · 8501759609!LEAD And Conduit As$3K
  • Federal contractDefense · 8501685725!TUBE Assembly,metal$3K
  • Federal contractDefense · 8501687728!FILTER,RADIO Freque$780
  • Federal contractDefense · 8501674806!TUBE Assembly,metal$3K
  • Federal contractDefense · 8501673135!CIRCUIT Breaker$520
  • Federal contractDefense · 8501621957!GASKET,RECEPTACLE A$261
  • Federal contractDefense · 8501611513!VALVE,SOLENOID$4K
  • Federal contractDefense · 8501605035!SCREW,MACHINE$2K
  • Federal contractDefense · 8501313539!SWITCH,PRESSURE$4K
  • Federal contractDefense · 8501199282!VALVE,SOLENOID$24K
  • Federal contractDefense · 8501135022!SWITCH,PRESSURE$7K
  • Federal contractDefense · 8501050610!IGNITER,SPARK,FUEL$21K
  • Federal contractDefense · 8500980710!GASKET Assembly$3K
  • Federal contractDefense · 8500907282!LEAD And Conduit As$4K
  • Federal contractDefense · 8500812654!IGNITER,SPARK,FUEL$11K
  • Federal contractDefense · 8500729958!VIBRATOR,SOLID Stat$3K
  • Federal contractDefense · 8500654207!SWITCH,PRESSURE$10K
  • Federal contractDefense · 8500547808!IGNITER,SPARK,FUEL$12K
  • Federal contractDefense · 8500365026!VALVE,SOLENOID$20K
  • Federal contractDefense · 8500350758!LEAD,ELECTRICAL$35K
  • Federal contractDefense · 8500345197!IGNITER,SPARK,FUEL$21K
  • Federal contractDefense · NUT$12
  • Federal contractDefense · 4524009198!VALVE,SOLENOID$40K
  • Federal contractDefense · 4524547931!SWITCH,PRESSURE$18K
  • Federal contractDefense · 8500169718!TUBE Assembly$5K
  • Federal contractDefense · 8500160496!NOZZLE,HEATER$13K
  • Federal contractDefense · Delivery Order 0002$82K
  • Federal contractDefense · 4520355346!BOA$4K
  • Federal contractDefense · 4519725405!LEAD,ELECTRICAL$98K
  • Federal contractDefense · 4519616912!LEAD,ELECTRICAL Dcarssap Updates Per Kathy Wade, Aviation$100K
  • Federal contractDefense · 4518683817!BOA$21K
  • Federal contractDefense · 4518028394!LEAD And Conduit As$16K
  • Federal contractDefense · Overhaul Of Control Assembly For CH-47$40K

Federal awards are summed by year (231 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.

9 records have no date or no amount, so they aren’t placed on the timeline.

Standing among 77 peers

Line = median

Aerospace · Device

  • Federal grantsBelow median
  • Granted patents#12 · top 16%

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

USPTO · 1 granted of 2

Regulatory activity · Aerospace

Sector-level, not company-level

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 . SBIR and STTR awards through .