Avanpore LLC
21c Olympia Ave, Woburn, MA 01801
Operating signal within 12 months from two or more independent sources.
What they make
All Other Plastics Product Manufacturing326199- nanoporous PEEK hollow-fiber membranes
- molecular-level separations
- aggressive solvent
- chemical
- hydrocarbon environments
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Mascon, INC. | Woburn | All Other Industrial Machinery Manufacturing 333248 | ACTIVE | 1.2 KM |
| Morton International | Woburn | All Other Plastics Product Manufacturing 326199 | UNVERIFIED | 2.0 KM |
| Gregstrom Corporatiion | Woburn | All Other Plastics Product Manufacturing 326199 | LIKELY ACTIVE | 3.1 KM |
| 3m CO Electrical Products Div | Wilmington | Unlaminated Plastics Profile Shape Manufacturing 326121 | UNVERIFIED | 3.3 KM |
| Galileo Bioscience | Stoneham | All Other Plastics Product Manufacturing 326199 | UNVERIFIED | 3.0 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
3 sources hold this plant, and 10 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- SAM.gov entity registrationOPERATINGRecord XTETLC9WRPJ3 · first seen MAR 2026 · last seen OCT 2026
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen SEP 2026
- DOL Form 5500 retirement plan filingsOPERATINGRecord 844102615|MA|01801|21c olympia ave · first seen DEC 2024 · last seen DEC 2024
IN MIDDLESEX COUNTY55 other plants share this one’s industry (Plastics Product Manufacturing, NAICS 3261); 16 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: AVANPORE LLC
- Street address
- SAM.gov: 21C OLYMPIA AVE
- City
- SAM.gov: WOBURN
- State
- SAM.gov: MA
- Coordinates
- Census geocoder: 42.499818090295,-71.129409867771 · JUL 2026
- Employees (band)
- DOL: 1-19 · DEC 2024
- Website
- SAM.gov: www.avanpore.com
- CAGE code
- SAM.gov: 95V16
- Retirement plan filing (Form 5500)
- DOL: 1 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
- SAM registration expires
- SAM.gov: 2027-03-14


