Diligence memo · auto-generated · as of July 2, 2026
Advanced Membrane Systems Inc
Advanced Membrane Systems Inc looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Advanced Membrane Systems Inc operates in Manufacturing, based in NORTH BILLERICA.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Advanced Membrane Systems Inc has raised $357K in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).
Largest single filing: $232K on 2010-07-22.
Most recent recorded round closed around 2011-05-06.
Valuation (modeled)modeled
Provath models Advanced Membrane Systems Inc at approximately $1.9M (range $85K–$22M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.39× the median modeled value of Pre-Seed Manufacturing companies in 2010–2012 (240 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 9 months.
Last raise 15.2 yr ago; this sector typically re-raises about every 12 months.
Silent for over 3× the sector's normal cadence.
The last round was 1.9× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 17% of Manufacturing peers (3257 compared).
Modeled value ranks above 13% of those peers.
Closest niche peers: Green Folks & MacLeod, Inc., American Nano Silicon Technologies, Inc., Dynamic Turbine Llc, Sajar Plastics, LLC, J.W.D. Machine, Inc..
Peoplefiled
3 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.