Verified Nov 2026
Other
·
Menlo Park, California
·
Since 1993
CSBio manufactures automated peptide synthesizers and produces custom peptides, cGMP peptides, solid phase synthesis resins, and amino acids. Founded in 1993 and headquartered in Menlo Park, California, the company has an estimated 100-200 employees and an estimated revenue band of $10-50 million. It is privately held and serves life science, biotechnology, and pharmaceutical customers. In October 2026, CSBio hosted a factory acceptance test in Mountain View for a 120 L SPPS skid built for Senn Chemicals AG.
CSBio at a glance
Revenue
$10-50M
Est. band
Employees
100-200
Founded
1993
Headquarters
Menlo Park, California
Certifications
ISO 9001
Import activity
6
Industries
Automotive
Electric Vehicles
Medical
Industrial Equipment
Sourcing and import activity
From US customs bill-of-lading records
US sea imports
6
Named foreign suppliers
1
Top origins
Taiwan
Shared foreign counterparties do not establish that these companies buy from CSBio.
What this tells a buyer
CSBio announced a flexible DCS-based peptide synthesis system in March 2026 and hosted a factory acceptance test of a 120 L SPPS skid for Senn Chemicals AG in Mountain View in October 2026.
The company holds ISO 9001 certification and offers automated peptide synthesizers at research, pilot, and commercial scales, along with preparative HPLC purification equipment.
CSBio is privately held, with an estimated 100-200 employees and facilities in Menlo Park, Mountain View, and Milpitas, California, and in Shanghai, China.
Source: US customs bill-of-lading records and public filings · Last verified Nov 05, 2026
STABILITY SIGNALS
Established & active
33 years in operation (founded 1993).
Holds ISO 9001 certification(s) per public sources.
Overview
CSBio manufactures automated peptide synthesizers and produces custom peptides, cGMP peptides, solid phase synthesis resins, and amino acids. Founded in 1993 and headquartered in Menlo Park, California, the company has an estimated 100-200 employees and an estimated revenue band of $10-50 million. It is privately held and serves life science, biotechnology, and pharmaceutical customers. In October 2026, CSBio hosted a factory acceptance test in Mountain View for a 120 L SPPS skid built for Senn Chemicals AG.
At a glance
Attribute | Detail |
|---|---|
Founded | 1993 |
Headquarters | Menlo Park, California |
Employees | 100-200 |
Revenue | $10-50M (estimated) |
Certifications | ISO 9001 |
What CSBio makes
The company holds ISO 9001 certification and offers automated peptide synthesizers at research, pilot, and commercial scales, along with preparative HPLC purification equipment.
Certifications
CSBio is associated with the following certifications in public sources. Confirm the certified scope for the specific plant producing your part:
ISO 9001 — csbiochina.com
Trade and customs footprint
CSBio announced a flexible DCS-based peptide synthesis system in March 2026 and hosted a factory acceptance test of a 120 L SPPS skid for Senn Chemicals AG in Mountain View in October 2026. US customs bill-of-lading records list 6 inbound shipments across 1 foreign suppliers, with top origins including Taiwan.
Latest developments
2026-11-04 — AI Software Engineering Clinical Systems at CSBio (Milpitas) | CareerHolo (careerholo.com)
2026-10-15 — Great having the Senn Chemicals AG team on-site last week here in Mountain View for the Factory Acceptance Test on their 120 L SPPS skid! | CSBio (linkedin.com)
2026-10-07 — This week, we are on site at CSBio in Mountain View for the Factory Acceptance Test of our new 120 L SPPS skid. (linkedin.com)
2026-09-03 — We're proud to continue supporting this initiative that brings together leaders in the space. | CSBio (linkedin.com)
2026-03-17 — CSBio Delivers Flexible DCS-Based Peptide Synthesis… (aiformanufacturing.org)
2025-11-17 — 新闻 -CSBio will participate in TIDES Europe 2025 - C S Bio China (csbiochina.com)
Facilities
CSBio is headquartered in Menlo Park, California. Public sources also reference these locations:
Menlo Park, CA — careerholo.com
Company details
CSBio is privately held, with an estimated 100-200 employees and facilities in Menlo Park, Mountain View, and Milpitas, California, and in Shanghai, China. CSBio was founded in 1993, has an estimated 100-200 employees, and is headquartered in Menlo Park, California. On the LightSource stability read it is rated "Established & active": 33 years in operation (founded 1993). Holds ISO 9001 certification(s) per public sources.
Frequently asked questions
What does CSBio do?
CSBio manufactures automated peptide synthesizers and produces custom peptides, cGMP peptides, solid phase synthesis resins, and amino acids. Founded in 1993 and headquartered in Menlo Park, California, the company has an estimated 100-200 employees and an estimated revenue band of $10-50 million. It is privately held and serves life science, biotechnology, and pharmaceutical customers. In October 2026, CSBio hosted a factory acceptance test in Mountain View for a 120 L SPPS skid built for Senn Chemicals AG.
Where is CSBio headquartered?
CSBio is headquartered in Menlo Park, California (20 Kelly Ct, Menlo Park, California, 94025).
When was CSBio founded?
CSBio was founded in 1993.
How big is CSBio?
CSBio has an estimated 100-200 employees, with revenue in the $10-50M range (estimated).
What certifications does CSBio hold?
CSBio lists ISO 9001 on its website. Confirm the certified scope for the specific plant producing your part.
Does CSBio import from overseas suppliers?
US customs bill-of-lading records show 6 inbound shipments for CSBio, with top origins including Taiwan.
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Last verified Nov 2026. Is this your company? Request a correction.
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