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How Two Generations Turned Tiny Acquisitions Into a $40B Aerospace Empire
The insane story of how the Mendelsons built HEICO into one of the greatest compounders in modern financial history
Hey Deal Lifters šš„
If you love stories about founders who grind, win slow, and end up building empires while everyone else sleeps, todayās edition is for you.
Because this story isnāt about tech bros, AI founders, or Silicon Valley hype.
Itās aboutā¦
a 50-year-old accountant
a 20-year-old college student
a failing aerospace side business
and one of the most profitable acquisition machines on the planet
This is the HEICO story ā and itās WILD.
Today youāll learn:
how the Mendelsons cracked an industry dominated by giants
how regulation became their moat
how they turned ātiny acquisitionsā into a compounding empire
how they beat the S&P, Berkshire, and almost every fund manager alive
how a $25M company became a $40B titan
Letās unlock this beast. šāļø

š§Ø PART 1 ā The Accidental Discovery
Late 1980s.
Larry Mendelson isnāt an aerospace engineer.
He isnāt a pilot.
Heās not an inventor.
Heās an accountant ā with:
a nose for distressed assets
a deep understanding of cash flow
and a ābuy cheap, fix aggressivelyā mindset
Meanwhile, his son Victor, still in college, is looking through small public-company financials (because thatās what the children of accountants do for fun š).
He stumbles on a weird little company:
HEICO Corporation
ā losing money
ā mismanaged
ā distracted by a failing medical lab division
ā and sitting on a forgotten aerospace parts business
And hereās the kicker:
Management owned zero stock, had zero incentives, and zero urgency.
The market cap? Roughly $25 million.
To Larry and Victor, that smelled like opportunity.
But the real insight came when they dug deeper into HEICOās aviation division.
HEICOās aviation business maintained replacement parts for jet engines. Sounds boring.
But hereās what Larry saw:
Airlines were being price-gouged.
Companies like:
GE Aerospace
Pratt & Whitney
Rolls-Royce
controlled 90%+ of replacement parts and charged CRAZY markups.
Sometimes 3Ć to 5Ć the real cost.
This was a legal cartel, protected by:
FAA regulations
long sales cycles
brand trust
limited competition
complex engineering
Larryās brain went on fire. š„
āIf pharmaceuticals can have genericsā¦
Why canāt jet engines?ā
If HEICO could:
reverse-engineer parts
prove they were safe
pass FAA approval
undercut the incumbentsā¦
They could break the monopoly.
Not with innovation.
Not with disruption.
But with regulatory judo.
So Larry made a move most people would NEVER attempt:
He went hostile.
He waged a proxy war.
He seized control of the business.
In 1990, HEICO was his.
š ļø PART 3 ā 1990: The Turnaround Begins
Larry and his sons ā Victor and Eric ā inherit a mess.
But they get to work. Hard.
Hereās what they do immediately:
Cut the failing divisions
Fire underperforming management
Focus 100% on aviation parts
Build engineering capability
Study FAA regulations in microscopic detail
Set up manufacturing lines for reverse-engineered components
This is where the magic begins:
They werenāt building ācheap knock-offs.ā
They were building FAA-approved equals.
This mattered because in aviation, regulation is the moat.
If you clear that bar, you can compete with ANYONE.
But the giants didnāt like this at all.
āļø PART 4 ā 1993: The "Generic Drug" Strategy
HEICOās big moment arrives in 1993.
They reverse-engineer a jet engine combustion chamber ā a highly complex, safety-critical part ā and submit it for FAA approval.
GE and Pratt freak out.
They sue.
They lobby.
They try to crush HEICO with legal pressure.
But the Mendelsons stay calm.
The FAA reviews the part.
Testing, analysis, data, compliance.
And then⦠approval.
HEICO can now sell a multi-million-dollar part for 30% cheaper.
Itās āgeneric drugsā but for jet engines.
This was the crack in the dam.
And once it cracked?
It shattered.
š PART 5 ā 1997: The Lufthansa Masterstroke
Even with FAA approval, airlines were hesitant.
Aviation is conservative.
People donāt want to crash to save 30%.
Larry needed a proof point.
A big one.
So he pulls off a genius partnership:
He convinces Lufthansa Technic ā one of the worldās most respected aviation engineering groups ā to buy 20% of a HEICO subsidiary.
This was a trust hack.
It signaled:
āWe trust HEICO.ā
āWeāre giving them our data.ā
āWeāre partnering on parts.ā
Overnight, HEICO gained:
credibility
technical specs
prestige
access
global legitimacy
The result?
Sales EXPLODED.
This one deal unlocked the entire industry.
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š§© PART 6 ā 2000s: The Acquisition Machine Awakens
Once they nailed the PMA model, the Mendelsons executed the most powerful long-term strategy in the aerospace industry:
They became a serial acquirer of tiny niche aviation manufacturers.
These werenāt sexy tech companies.
They were:
cockpit-display shops with 12 employees
underwater-beacon makers
niche sensor manufacturers
aerospace electronics firms
companies making obscure components for old planes
HEICOās genius was simple:
Buy SMALL.
Buy PROFITABLE.
Let founders keep running the business.
Donāt integrate too tightly.
Give them resources.
Donāt mess with what works.
This is the opposite of how most M&A operates.
Large companies:
āWe bought you, now follow our 200-page integration manual.ā
HEICO:
āWe bought you because youāre great. Keep doing what you do.ā
This created a loyalty loop:
founders wanted to sell to HEICO
employees stayed for decades
margins improved
bureaucracies didnāt form
innovation stayed local
Over the next two decades?
They bought over 100 companies.
Mostly small.
All profitable.
All sticky.
A decentralized empire.
š PART 7 ā 2010s: The Compounder
By the 2010s, HEICO wasnāt a parts company anymore.
It was a:
recurring-revenue machine
FAA-approved monopoly breaker
diversified aerospace conglomerate
acquisition platform
compounder
Its stock price went thermonuclear.
Over multiple decadesā¦
HEICO outperformed Berkshire Hathaway.
Let that sink in.
A small penny stock turned into one of the strongest stocks in the entire S&P 500.
Early investors became millionaires.
Employees got rich.
Founders of acquired companies built second fortunes.
You almost never hear about them because the Mendelsons stay quiet.
No flashy interviews.
No Twitter threads.
No PR stunts.
Just execution.
š”ļø PART 8 ā 2023ā2025: Succession & The Legacy
The 2020s brought a new chapter.
The Mendelsons ā Larry and his sons Victor & Eric ā had been running HEICO together for more than 30 years.
In September 2025, Larry passed away.
He left behind:
a $40B aerospace titan
a decentralized empire of niche manufacturers
an FAA regulatory moat almost impossible to replicate
one of the greatest compounders in modern history
a company that turned thousands into millionaires
Victor and Eric, who helped run the business for decades, continue to lead today.
HEICO isnāt flashy.
It isnāt trendy.
But itās one of the greatest long-term wealth machines of the last 40 years.
š§ Deal Lift Founder Lessons
HEICO is a case study founders should study for life.
Here are the big takeaways:
1ļøā£ Find the regulatory moat
Most founders avoid regulation.
Winners learn how to weaponize it.
HEICO didnāt need to beat GE in innovation.
They beat them in FAA paperwork.
Thatās power.
2ļøā£ Build where incumbents are lazy
Big companies ignored small replacement parts.
HEICO owned them.
Thatās how you win.
3ļøā£ Decentralization beats micromanagement
HEICO let its acquisitions run independently.
Low bureaucracy = high growth.
4ļøā£ Boring businesses often have insane margins
Jet engine parts arenāt sexy.
But theyāre:
high R&D
high regulation
high switching costs
high lifetime value
In other words:
PERFECT.
5ļøā£ Build slow. Compound forever.
HEICO didnāt āexplode.ā
It compounded.
Thatās how you get from $25M ā $40B.
š„ Deal Lift Takeaway
Some founders chase ādisruption.ā
Some chase hype.
Some chase headlines.
The Mendelsons chased:
overlooked assets
regulatory knowledge
tiny acquisitions
boring businesses
long compounding cycles
And they walked away with one of the greatest track records of any family in the public markets.
The lesson?
You donāt need to invent the plane.
You just need to invent a smarter way to maintain it.
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