Insights

FDA-Listed Credibility Cast21 is FDA registered and selling a waterproof, breathable cast alternative in select clinics nationwide, suggesting a market-ready product and potential partnerships with hospital networks and medical distributors.

Orthopedic Timing The product targets bone fractures and joint injuries with a lightweight, non-scarifying application process, presenting clear selling points for orthopedic clinics, urgent care partners, and sports medicine programs seeking faster patient turnover.

Cost and Efficiency Streamlined application and removal without scanning, sawing, heat, water, or electricity indicates potential workflow savings for clinicians and durable cost advantages appealing to procurement teams.

Growth Potential Recent recognition as a Fundable Company and a growing footprint imply momentum; opportunities exist to pitch to venture-backed medical device distributors and expand into additional regional clinics.

Data-Driven Outreach Existing marketing tech stack and prior partnerships (Pollfish) plus a compact team position Cast21 to leverage targeted campaigns and clinic-level pilots through digital advertising, surveys, and direct outreach.

Similar companies to Cast21

Cast21 Tech Stack

Cast21 uses 8 technology products and services including Google Ads, Hotjar, Amazon Web Services, and more. Explore Cast21's tech stack below.

Cast21's Email Address Formats

Cast21 uses at least 1 email format:
Cast21 Email FormatsExamplePercentage
First@cast21.comJohn@cast21.com
100%

Frequently Asked Questions

What is Cast21's official website and social media links?

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Cast21's official website is cast21.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Cast21 generate?

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As of October 2026, Cast21's annual revenue is estimated to be $1M - $10M.

What is Cast21's NAICS code?

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Cast21's NAICS code is 3391 - Medical Equipment and Supplies Manufacturing.

How many employees does Cast21 have currently?

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As of October 2026, Cast21 has approximately 11 employees across 2 continents, including North America and Oceania. Key team members include Chief Technology Officer: V. H. and National Distributor: T. P. Explore Cast21's employee directory with LeadIQ.

What industry does Cast21 belong to?

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Cast21 operates in the Medical Equipment Manufacturing industry.

What technology does Cast21 use?

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Cast21's tech stack includes Google Ads, Hotjar, Amazon Web Services, Cloudflare, WordPress, Google Workspace, Webflow and Lua.

What is Cast21's email format?

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Cast21's email format typically follows the pattern of First@cast21.com. Find more Cast21 email formats with LeadIQ.

How much funding has Cast21 raised to date?

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As of October 2026, Cast21 has raised $2.4M in funding. The last funding round occurred on Mar 13, 2023.
Cast21 logo

Cast21

Medical Equipment ManufacturingIllinois, United States11-50 Employees

Cast21 is a small to mid-sized medical device company based in Chicago, Illinois, focused on orthopedic solutions. Its first product offers a waterproof alternative to casting and bracing for bone fractures and joint injuries, with a breathable, lightweight design intended to improve patient comfort. The system is designed to streamline the clinical workflow, enabling application and removal without the need for scanning, sawing, heat, water, or electricity.

The company operates in medical equipment manufacturing and is registered and listed with the FDA, with its product available at select clinics nationwide. Its target customers are healthcare providers treating fractures and orthopedic injuries who seek more efficient, patient-friendly alternatives to conventional casts.

Section iconCompany Overview

Website
cast21.com
NAICS Code
3391 - Medical Equipment and Supplies Manufacturing
Employees
11-50

Section iconFunding & Financials

  • $2.4M

    Cast21 has raised a total of $2.4M of funding over 8 rounds. Their latest funding round was raised on Mar 13, 2023 as a Grant.

  • $1M - $10M

    Cast21's revenue is estimated to be in the range of $1M - $10M

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