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MayMaan

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Know Maymaan and AquaStroke generators for a cleaner fuel and innovative technology on internal combustion engines

Hollywood, United StatesFounded 2014Energy
Valuation $100–250M Last recorded · 2023
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for MayMaan and the history behind them.

About MayMaan

MayMaan Research, an entity headquartered in Hollywood, Florida, operates within the clean energy technology sector, focusing on reimagining the internal combustion engine. The company was founded in 2014 by Doron Shmueli, who serves as CEO, alongside his father Yehuda Shmueli and brother Eitan Shmueli, who are the CTO and President, respectively. The genesis of the company was Yehuda's long-held passion for developing alternative energy, which began as a garage-based project and evolved into a formal research and development enterprise.

The core of MayMaan's business is its proprietary AquaStroke® engine technology. This system enables a traditional piston engine to operate on a fuel mixture of approximately 70% water and 30% bio-alcohol, such as ethanol or methanol, eliminating the need for gasoline or diesel. The combustion process involves injecting this fuel blend at high pressure into a modified chamber, where the alcohol's ignition turns the water into steam. This steam generation creates additional pressure, which contributes to a high-torque output, particularly at low RPM ranges, while keeping combustion temperatures lower than in conventional engines. This lower operating temperature significantly reduces the formation of harmful emissions like NOx.

MayMaan's financial strategy is centered on research and development, funded by significant investment, including a $30 million Series A round in May 2023 led by WAVE Equity Partners. This capital is directed towards developing higher output engines to enter new market segments. The company's business model is not to become a mass manufacturer of engines but to operate as an intellectual property and technology firm. It pursues a licensing model, forming strategic partnerships with established original equipment manufacturers (OEMs), engine manufacturers, and energy utilities. These partners integrate MayMaan's technology into their existing systems or new products, handling manufacturing and distribution to end-users. Initial market entry has focused on retrofitting existing engines, with a long-term plan for partners to manufacture complete engines based on the AquaStroke design.

The company's primary target market is applications where diesel engines are prevalent, such as electrical generators, heavy machinery, and off-grid power systems. MayMaan has already deployed 35kW generator units for off-grid and commercial backup power. Future applications are envisioned across a wide array of industries, including automotive, heavy equipment, EV charging infrastructure, data centers, and even grid-scale energy generation. The technology's scalability is a key feature, with the potential to be adapted for engines of various sizes, from small generators to large engines for locomotives and cargo ships.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2014
Headquarters
Hollywood, United States
Employees
21
Open positions
None listed
Dealroom signal
79.8/100
Industry
Energy
Sector
Energy, Blue Economy, Blue Renewable Energy
Business model
Manufacturing
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES A✓Equity / VC May 2023 $30M $120M WAVE Equity Partners ↗
SUPPORT PROGRAM✓Other financing Sep 2022 $0 — PortXL ↗
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Growth signals

MayMaan website traffic

Latest recorded traffic for MayMaan is 1.7K monthly website visits, up 41.7% over the last three months. MayMaan's team grew 5% over the past year.

Latest monthly visits1.7K 3-month web change+41.7% 1-year team growth+5%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Open positions

Openings linked to this company in Dealroom
1 distinct opening shownExplore hiring signals →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

2 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A1 investor entered at this stage

  • WAVE Equity Partners

Other known investors1 additional known investor

  • PortXL
Team profiled 4 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 2 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
3 countries with
team presence
🇺🇸 United States90.5%
🇳🇴 Norway4.8%
🇫🇷 France4.8%
3 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about MayMaan on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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