The 12 closest competitors and alternatives to Rapid Oxygen Co among medical equipment & devices companies — ranked by similarity to what Rapid Oxygen Co actually does, not by market-cap band.
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Rapid Oxygen Co., LLC, led by CEO Richard Imbruce and based in Brooklyn, New York, is commercializing safe portable chemical oxygen delivery systems.
Rapid Oxygen Co is a medical equipment & devices company headquartered in United States. It has raised at least $43.5M across the 6 funding rounds on record. Its most recent funding round, Seed, raised $2M in July 2026. Xcout tracks 1 named person at Rapid Oxygen Co, including Richard Imbruce (Founder).
At least $43.5M raised across the 6 rounds on record. The 5 most recent:
| Date | Round | Amount | Investors |
|---|---|---|---|
| Seed | $2M | 1 named | |
| Series B | $20M | — | |
| — | $17M | 12 named | |
| SEC Form D filing | $500,000 | — | |
| SEC Form D filing | $1.5M | — |
Who invested in each round, lead investors, valuations and the co-investor graph — open the full funding history →
Ranked by semantic similarity — how close each company is to Rapid Oxygen Co by what it does, using Xcout's live company graph. Click any company for its full profile, or its competitor set.
Medical Devices
Delta Chase, LLC is a research and development company that is designing the SAGE Rebreather, a novel multi-modal platform medical device intended to safely elevate the body's carbon dioxide levels. The device is being developed to treat and alleviate conditions such as sleep apnea, altitude illness, and brain injuries, though its claims have not yet been authorized by the FDA.
Medical Devices
VQ Biomedical develops a minimally-invasive intravascular oxygenation catheter designed to deliver supplemental oxygen directly into the bloodstream of hospitalized patients with respiratory failure. The technology provides gas exchange independently of injured lungs to support healing while avoiding the complications of mechanical ventilation or external ECMO pumps. The company serves healthcare providers and critical care patients.
Medical Devices
Clyra Medical Technologies, Inc. develops advanced wound management and irrigation products utilizing patent-protected oxidative chemistry. The company serves patients and healthcare providers by offering safe, non-toxic treatments designed to combat microorganisms and aid in wound healing without harming healthy tissue.
Medical Devices
410 Medical, Inc. is a medical device company focused on developing innovative technologies for emergency and critical care. Based in Research Triangle Park, North Carolina, the company designs rapid fluid and blood product infusion systems for hospitals and military healthcare.
Medical Devices
Profusa, Inc. is a pioneering health technology firm that engineers advanced, bio-integrated sensors. These innovative devices, exemplified by their Lumee™ Oxygen Platform, are designed for uninterrupted observation of internal physiological markers. By leveraging artificial intelligence, Profusa translates this constant stream of data into actionable health insights, primarily to empower individuals and clinicians in the management of persistent health challenges like diabetes and critical limb ischemia.
Medical Devices
Inogen, Inc. operates as a medical technology enterprise dedicated to designing, fabricating, and distributing oxygen concentration equipment. These cutting-edge devices are engineered to provide continuous oxygen support for patients managing persistent respiratory conditions. The company's diverse product range features the popular portable Inogen One, which efficiently draws oxygen from the surrounding atmosphere to offer an independent supply, alongside stationary Inogen At Home concentrators, Tidal Assist Ventilators, and various associated accessories. Inogen serves a broad clientele, including individual patients, medical professionals, and insurance providers, both domestically in the United States and globally. Furthermore, the company facilitates direct equipment rentals to patients. Founded in 2001, Inogen, Inc. is headquartered in Goleta, California.
Medical Devices
OneBreath, Inc. is an international medical device company founded by physicians and engineers from Stanford University, with its headquarters located in Palo Alto, California.
Medical Devices
Cresilon is a privately held medical device company that develops advanced hemostatic gel technology designed to control bleeding in seconds and improve wound care. Founded and headquartered in Brooklyn, New York, the company also operates its own GMP manufacturing facilities.
Medical Devices
AOTI, Inc. (Advanced Oxygen Therapy, Inc.) develops medical devices that deliver topical oxygen therapy, including systems used to support the healing of chronic and hard-to-heal wounds. Its products are used by healthcare providers and patients in wound-care settings.
Medical Devices
Nu-Med Plus, Inc. is a global medical technology firm dedicated to the innovation, refinement, and commercialization of various medical instruments. The company's offerings include a diverse array of nitric oxide delivery systems, such as specialized units for hospital environments, clinical applications, and research settings, alongside a mobile, rechargeable device designed for portable nitric oxide gas administration. Serving a broad spectrum of healthcare entities, its primary clients consist of hospitals, integrated health systems, and the wider medical professional community. Nu-Med Plus, Inc. was founded in 2011 and maintains its corporate headquarters in Salt Lake City, Utah.
Medical Device
ALung Technologies develops extracorporeal respiratory support devices, including the Hemolung Respiratory Assist System, designed to remove carbon dioxide from blood and support patients with acute respiratory failure. Its products are intended for hospitals and critical-care clinicians treating patients who need respiratory support, including certain patients with severe COPD or who may otherwise require mechanical ventilation.
Medical Devices
RightBio Metrics Inc. is a healthcare and life sciences company headquartered in Brecksville, Ohio, that develops rapid diagnostic measurement tools and medical devices.
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