C S Bio CO
20 Kelly Ct, Menlo Park, CA 94025
Operating signal within 12 months from two or more independent sources.
What they make
All Other Basic Organic Chemical Manufacturing325199CSBio designs and manufactures automated peptide synthesizers for solid phase peptide synthesis (SPPS), serving universities, biotech companies, CDMOs, and pharmaceutical manufacturers. The company produces research, pilot, clinical, and commercial-scale peptide synthesis equipment, ranging from benchtop systems at 6 mL scale to custom automated systems for large-scale manufacturing at 1000 L scale. CSBio has been designing and manufacturing these instruments for over 30 years, with systems installed across academic, biotech, pharma, and CDMO laboratories in more than 30 countries.
SUMMARIZED FROM THE COMPANY’S OWN WEBSITE
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Furcifer INC | Menlo Park | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 0.6 KM |
| Romic Environmental Technologi | East Palo Alto | Petrochemical Manufacturing 325110 | UNVERIFIED | 1.9 KM |
| Tangible Science | Menlo Park | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 2.0 KM |
| Baychem, INC | Menlo Park | Other Basic Inorganic Chemical Manufacturing 325180 | ACTIVE | 3.9 KM |
| Air Liquide Hydrogen Station Palo Alto | Palo Alto | Industrial Gas Manufacturing 325120 | UNVERIFIED | 6.4 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 8 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in BR, CA-ENVIROVIEW, OSHA-OIS, RCRAINFO, TRIS · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| COMPANY SITE | OPERATING | JUL 2026 | AUG 2026 |
| SAM GOV | OPERATING | SEP 2025 | SEP 2025 |
| EPA FRS | EXISTENCE | JUL 2016 | AUG 2024 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| ADDRESS LINE1 | SAM GOV | SEP 2025 |
| CAGE CODE | SAM GOV | SEP 2025 |
| CITY | EPA FRS | JUL 2026 |
| CITY | SAM GOV | SEP 2025 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| NAME | SAM GOV | SEP 2025 |
| REGISTRATION EXPIRATION | SAM GOV | SEP 2025 |
| STATE | EPA FRS | JUL 2026 |
| STATE | SAM GOV | SEP 2025 |
| WEBSITE | SAM GOV | SEP 2025 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.


