Key facts
- It has raised $300K; the latest was Later Stage VC in May 2025.
- Notable investors include US National Science Foundation, Drexel University, Exelon, Exelon Foundation, Heritage Group Accelerator.
- Status: Privately Held (backing).
- ·The complete investor list — 5 names
- ·Watchlist + deal alerts for SusMaX
- ·The full record, as it builds
Funding rounds
No funding rounds for SusMaX are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About SusMaX
Developer of lightweight aggregate designed to convert waste coal ash into construction-grade materials. The company utilizes a patented thermochemical process and thermodynamics-guided framework to convert waste coal combustion products into aggregates, developing the material based on the waste's chemical composition and optimizing for porosity and strength, enabling the construction market to reduce material costs, improve concrete durability through internal curing, and lessen environmental impact by repurposing industrial by-products.
- Sector
- Materials and Resources
- HQ
- Philadelphia, PA, United States
- Founded
- 2020
- Employees
- 4
- Website
- susmax.com/
- Ownership
- Privately Held (backing)
SusMaX doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in SusMaX shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on SusMaX in its N-PORT filings yet. We sweep new filings monthly.