L2 Aviation
Cincinnati, US · Founded 1997 · 83 employees on LinkedIn · 2 known investors
L2 Aviation designs, develops, and integrates avionics systems for aircraft, providing oversight from concept through completion. It serves operators of commercial, business, cargo, and military/government aircraft, working with equipment manufacturers on installation and modification of avionics into aircraft.
Also known as L2
Founders & leadership
Board
Investors · 2
Also in the syndicate · 1
Company profile
researched Aug 2026L2 Aviation provides avionics engineering, certification, manufacturing, integration and technical support services for aircraft modification and upgrade programs. Its service lines include system-level engineering and Supplemental Type Certificate (STC) development, manufacturing of STC kits and build-to-print production with PMA-supported parts, remote avionics modification services (RAMS) and AOG support for in-service aircraft, avionics equipment sales and component support (new, exchange and overhauled parts sourced from OEMs), structural fabrication and repair, and machining and composites work.
The company works with commercial airlines, cargo operators, business aviation fleets, lessors, aerospace OEMs, MROs, satellite and communications service providers, military and government agencies, and advanced air mobility and unmanned aircraft programs. Its stated focus is on delivering certifiable avionics designs and turnkey integration kits that address the technical and regulatory certification requirements of aftermarket avionics installations, reducing aircraft downtime and maintaining airworthiness and mission readiness. L2 Aviation describes support for programs through approval by regulatory authorities worldwide, including FAA STCs for commercial aviation, avionics OEMs, business aviation, air cargo and military applications.
Founding story
Mark Lebovitz established L2 Aviation in 1997 with the goal of simplifying avionics modifications for the aviation industry, running the business from his garage in Austin, Texas before relocating the headquarters to Dripping Springs, Texas in 2001.
Business model
L2 Aviation sells engineering, certification, manufacturing and installation/support services and avionics products to aircraft operators, OEMs and MROs, delivering engineering designs, STCs, assemblies, subsystems and turnkey integration kits, along with equipment sales and component repair/exchange.
Revenue is generated from project-based avionics engineering and certification programs, manufacturing of STC kits and build-to-print production, on-site and remote modification/AOG technical services, and sales of new, exchange and overhauled avionics components.
Traction
The Kentucky facility represents a $12.2 million investment projected to create 250 jobs and reach full operation by the end of 2025. Argentum's investment criteria target companies generating $5 million to $30 million in revenue, and it cited L2 Aviation's growing backlog and pipeline at the time of its 2024 investment.
Latest developments
L2 Aviation received a minority growth equity investment from Argentum in September 2024 to add production capacity, broaden capabilities and pursue acquisitions, with Argentum cofounder Daniel Raynor joining the board. The company announced its Boone County, Kentucky facility in December 2024 and celebrated its grand opening with Gov. Andy Beshear in April 2025.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
Argentum described L2 Aviation as a leader in the avionics aftermarket ecosystem with a long history of capital-efficient, bootstrapped growth, a growing backlog and pipeline, and industry tailwinds from an aging aircraft fleet, record air traffic and demand for next-generation connected-aircraft avionics.
The company emphasizes end-to-end coverage from concept through certification and installation, combining engineering, certification, manufacturing and modification in integrated facilities, plus remote installation capability intended to reduce aircraft downtime.
Technology
Capabilities span avionics system integration and certification engineering, STC development, in-house manufacturing including PMA-supported production, sheet metal and composite fabrication, machining, and aircraft modification performed at its facilities or remotely at customer locations.
Go-to-market
The company engages customers directly through quote requests and expedited AOG support channels, positioning itself as a long-term engineering partner; many customer relationships are described as spanning years or decades of repeat engagement.
Commercial airlines, cargo carriers, aircraft operators and lessors, business and private aviation, aerospace OEMs and MROs, satellite and communications service providers, military and government aircraft programs, and advanced air mobility/unmanned aircraft developers.
Geography
Operations include an Engineering & Operations Center and corporate campus at Cincinnati/Northern Kentucky International Airport (82 Comair Blvd, Erlanger, Kentucky), including a hangar in Boone County, and a structures and composites campus in Mooresville, Indiana (135 E Harrison St). The company originated in Austin and Dripping Springs, Texas, retains an Austin-area phone number, and supports modification and certification projects globally.
History
Founded in 1997 by Mark Lebovitz, the business initially operated from his garage in Austin, Texas, and moved its headquarters in 2001 to Dripping Springs, Texas. It expanded over time into avionics design, consulting, engineering, manufacturing and installation, and into FAA STC development across commercial, OEM, business aviation, cargo and military applications. In September 2024 it announced a minority growth equity investment from Argentum. In December 2024 it announced its first Kentucky location, a $12.2 million manufacturing operation at CVG Airport in Boone County expected to create 250 jobs, which held its grand opening in April 2025.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 4
launches, deals, and filingsGov. Andy Beshear joined L2 Aviation leaders for the grand opening of the company's first Kentucky location at CVG Airport, a remodeled office, purpose-built production facility and hangar expected to be fully operational by the end of 2025.
$12.2M source ↗
The company announced its first Kentucky location, an office and production facility plus a hangar at CVG Airport in Boone County, a $12.2 million investment expected to create 250 jobs and reach full operation by the end of 2025.
$12.2M source ↗
L2 Aviation announced a strategic minority growth equity investment from New York-based growth equity firm Argentum, intended to expand production capacity, broaden capabilities and fund acquisitions. Argentum Cofounder and Managing Partner Daniel Raynor joined L2 Aviation's Board of Directors.
Argentum Cofounder and Managing Partner Daniel Raynor joined L2 Aviation's Board of Directors in connection with the growth investment.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- L2 Aviationl2aviation.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does L2 Aviation do?
- L2 Aviation is an avionics engineering, certification, manufacturing and integration provider serving aircraft operators worldwide.
- Who are L2 Aviation's investors?
- L2 Aviation's investors include The Argentum Group.
- Where is L2 Aviation headquartered?
- L2 Aviation is headquartered in Cincinnati, US.