Fortistar LLC

Fortistar is a privately-owned investment firm that provides capital to build, grow and manage companies that address complex sustainability challenges.

[Fortistar LLC @Fortistar]

Turning waste into usable energy at scale is an increasingly important part of the broader #EnergyTransition.

A feature from North Carolina’s NBC WRAL highlighted our portco, @OpalFuels and Co-CEO Adam Comora and its @RNG facility in Sampson County https://t.co/jlHq3AirtB

[Fortistar LLC @Fortistar]

Supporting the next generation of engineers is critical to advancing the future of #Mobility and #Sustainability. Our portco, @NanoramicLabs, which develops advanced battery materials, is supporting @UBuffalo as it competes in the EcoCAR EV Challenge.
https://t.co/pBV1GxyB6u

[Fortistar LLC @Fortistar]

A new Valley of Depth Podcast featuring Skyryse, a Fortistar portco, and CEO Mark Groden highlights a core challenge: as aircraft have advanced, cockpit complexity makes flight harder to operate safely and efficiently at scale. Watch the full conversation: https://t.co/AD5qJ8OgpE

[Fortistar LLC @Fortistar]

Our portfolio company, @OPALFuels, just announced a $100 million master agreement to monetize Section 45Z Clean Fuel Production Tax Credits, establishing a framework to unlock additional capital as its projects come online and further scale its platform. https://t.co/c6my5BGXHQ

[Fortistar LLC @Fortistar]

We’re excited to see Sam Bertram, co-founder and CEO of our portco, @OPOfarms, featured in the new @Forbes TALKS episode with host Alex York:
https://t.co/unBG2amO9c

[Fortistar LLC @Fortistar]

Hangar X Studios, a popular podcast for aerospace leaders, operators, investors and innovators following the transformation of flight featured our portco, @Skyryse for a discussion on software, automation, and integrated system.
https://t.co/oTnZvS48P1

[Fortistar LLC @Fortistar]

.@carbonfreeccus, a Fortistar portco, is celebrating its 10-year anniversary. Over the past decade, it has helped advance a new approach to addressing industrial emissions, focused on transforming CO₂ into valuable products. Congratulations to the CarbonFree team!

[Fortistar LLC @Fortistar]

Co-CEO Adam Comora of @OPALFuels, our portfolio company, will headline a major workshop at ACT Expo, North America’s largest fleet technology conference. Comora will lead the “Clean Fuels for Commercial Fleets” workshop.
https://t.co/SnFvL40dVx

[Fortistar LLC @Fortistar]

Featured in Power Technology, @CarbonFree, our portco, is advancing one of the most important frontiers in industrial #Decarbonization. The report highlights a shift in #CarbonCapture and utilization from a cost burden to a value driver.
https://t.co/TzhaQNqX3J

[Fortistar LLC @Fortistar]

Momentum in #RenewableNaturalGas is accelerating as scalable solutions deliver measurable growth. OPAL Fuels, our portfolio company, reported a 29% increase in RNG production in 2025, reaching approximately 4.9 million MMBtu for the year.
https://t.co/cnNxuQn1kV

[Fortistar LLC @Fortistar]

A new video from Game of Tomorrow, a popular YouTube channel focused on futuristic technology, highlights @OPOfarms, our portco advancing automated indoor agriculture. Watch the it to see how Opollo is advancing #SustainableAgriculture.
https://t.co/nKNjzodYRE

[Fortistar LLC @Fortistar]

Big news in sustainable agriculture from Vestaron, our portco advancing sustainable crop protection solutions. The U.S. EPA has approved BASIN™ bioinsecticide for use on outdoor crops, giving growers a powerful new tool to manage pests.
https://t.co/r3s7J9HQ6S

[Fortistar LLC @Fortistar]

Our portco, @Skyryse, is continuing to draw national attention. Today, the @LATimes Business section featured the company. Skyryse has closed more than $300 million in Series C funding, bringing its valuation to $1.15 billion and into unicorn territory
https://t.co/Lil9CfAhyu

[Fortistar LLC @Fortistar]

As New York works to meet its climate and sustainability goals, Adam Comora, co-CEO of our portco @OPALFuels, offers a pragmatic perspective on the role #RenewableNaturalGas can play in the state’s energy transition in a new @TimesUnion commentary. https://t.co/fvMVDPanR5

[Fortistar LLC @Fortistar]

Our portco, RISE® Robotics, is redefining how #HeavyMachinery can be electrified with real world impact. According to Kingscrowd, RISE was named the #1 Regulation Crowdfunding (Reg CF) Campaign of 2025 in its 2025 Investment Crowdfunding Annual Report.
https://t.co/r8poQdKgUM

[Fortistar LLC @Fortistar]

As momentum continues to build to #Decarbonize #HeavyDutyTransportation, @BiomassMagazine highlighted our portfolio company, OPAL Fuels, and the growing role of #RNG in delivering immediate, scalable climate impact. https://t.co/YGZm7mpa6X

[Fortistar LLC @Fortistar]

.@ModernRetail named @AutoStoreSystem 2025 winner for Best Fulfillment Strategy, which recognizes AutoStore’s work with our portfolio company, @OPOfarms. Congratulations to OnePointOne and AutoStore on the well deserved recognition. https://t.co/nmf0bexqQT

[Fortistar LLC @Fortistar]

Featured this week in @FlyingMagazine, the world’s most widely read American #Aviation publication founded in 1927, @Skyryse achieved a major milestone by completing the first Black Hawk helicopter flight using its autonomous flight control system, SkyOS. https://t.co/ITbNZUizAd

[Fortistar LLC @Fortistar]

A new @Skyryse video offers a behind-the-scenes look at how it is rethinking an iconic aircraft. It shows how a Black Hawk helicopter can be modernized with advanced flight control technology to make complex missions safer, simpler, and more adaptable.
https://t.co/jgp8bdflBS

[Fortistar LLC @Fortistar]

Today, @ONESJI released a new video showcasing the ribbon cutting of their project with our portfolio company @OPALFuels in Egg Harbor Township, N.J., marking an exciting step forward for one of the region’s most impactful #RNG developments. https://t.co/TN6R9JujwQ