Mos Plastics
- Company typePrivate
- Founded1974
- HeadquartersSan Jose, United States
- Headcount101–250
- GTM typeB2B
- OfferingHardware or Manufacturing
Mos Plastics firmographics
Firmographics- Name
- Mos Plastics
- Legal name
- Mos Plastics
- Website
- https://mosinc.com
- Company type
- Private
- Founded year
- 1974
- Operating status
- Acquired
- Headcount range
- 101–250 employees
- Ownership category
- akta.pro rank
Mos Plastics industry classification
Industry- Product category
- Plastic Contract Manufacturing
- NAICS
- Plastics Product Manufacturing (3261), Other Plastics Product Manufacturing (32619)
- SIC
- Miscellaneous Plastics Products (3080)
- akta.pro primary industry
- Medical & Life Sciences Injection Molding (Devices, Diagnostics, Cleanroom) (IMANAFAC)
- akta.pro secondary industries
- Custom Injection Molding & Contract Manufacturing (Job Shops/CMs) (IMANAFAJ), Precision & Micro Injection Molding (IMANAFAH), Electrical & Electronics Injection Molded Components (Connectors, Housings) (IMANAFAD)
Keywords
Where Mos Plastics is headquartered
LocationHeadquarters
- HQ city
- San Jose
- HQ country
- United States
- HQ region
- North America
Offices1 record
Markets served
Mos Plastics business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Infrastructure, Technology or R&D
Revenue model
- Contract Manufacturing Services: Revenue generated through contract manufacturing of custom-molded precision components and sub-assemblies for medical and life sciences customers. Services include injection molding, assembly, and cleanroom manufacturing, likely on a project-based or long-term contract basis.
Go-to-market motion1 record
Distribution channels1 record
Mos Plastics product offering
Product offeringCore offering
Mos Plastics is a contract manufacturer specializing in high-precision plastic injection molding, custom tooling, mold making, and engineering services for medical, pharmaceutical, diagnostic, and electronics OEMs. The company produces custom-molded precision components and sub-assemblies in Class 7 and Class 8 cleanrooms at its 55,000 square foot facility in San Jose, California. Operations are integrated as a division of Currier Plastics following the January 2026 acquisition.
Product overview
Mos Plastics is a division of Currier Plastics specializing in high-precision injection molding and contract manufacturing services for medical and electronics OEMs. Located in Silicon Valley since 1974, the company offers custom-molded precision components and sub-assemblies for pharmaceutical, medical technology, and diagnostic customers. The product portfolio centers on injection molding as the core manufacturing capability, supported by contract assembly services and cleanroom manufacturing capacity (Class 7 and Class 8 cleanrooms). All operations are now fully integrated into Currier Plastics following the January 2026 acquisition.
Differentiator
Problem solved
Functional benefit
Products and services
- High-Precision Injection Molding Services Custom high-precision injection molding services producing tight-tolerance plastic components for medical device, pharmaceutical, diagnostic, and electronics OEMs.
- Contract Manufacturing and Assembly Services Full-service contract manufacturing including sub-assembly for medical devices, pharmaceutical delivery systems, and diagnostic equipment serving life sciences and electronics end markets.
- Custom-Molded Precision Components and Sub-Assemblies Custom-molded precision components and sub-assemblies manufactured in cleanroom environments for pharmaceutical, medical technology, and diagnostic OEMs.
- Cleanroom Manufacturing Services Cleanroom manufacturing capacity in Class 7 and Class 8 cleanrooms supporting pharmaceutical, medical device, and diagnostic production requirements.
- Tooling and Mold Making Services Tooling, mold making, and mold engineering services supporting precision plastic component production.
Companies that use Mos Plastics
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles3 records
Mos Plastics technology and API
TechnologyAPI detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Feature3 records
Mos Plastics partnerships and signals
Strategic signalPartnerships
One partnership is on record.
- Currier PlasticscoreCurrier Plastics, a portfolio company of Sheridan Capital Partners, acquired MOS Plastics in January 2026. MOS Plastics is now a division of Currier and specializes in high-precision injection-molding, contract manufacture and assembly for medical and electronics OEMs. The acquisition adds significant cleanroom capacity and West Coast presence to Currier's life sciences contract manufacturing operations.
Scale indicators3 records
Recent moves3 records
Expansion highlights3 records
Mos Plastics competitors and assessment
Company assessmentDirect peers
- Plastic Molded Concepts: Custom injection molder with cleanroom capabilities serving medical, pharmaceutical, and industrial customers. Comparable scale and capability set to Mos Plastics' precision molding business.
- Tessy Plastics: Custom precision injection molder serving medical, diagnostics, and industrial OEMs with cleanroom capacity. Operates a multi-site contract manufacturing model directly overlapping Mos Plastics' precision medical molding focus.
- Donatelle Plastics: Medical and industrial contract manufacturer specializing in precision injection molding and assembly for medical device and diagnostics customers. Comparable in cleanroom-grade medical components and assemblies.
- Medical Murray: Medical device contract manufacturer with cleanroom molding, assembly, and packaging capabilities for pharma and medtech customers. Directly comparable contract manufacturing scope to Mos Plastics.
- Currier Plastics: Acquirer and parent of Mos Plastics; a precision injection molding and contract manufacturer for medical and life sciences OEMs. Most direct comparable given overlapping cleanroom molding capabilities and shared customer base in pharmaceutical and medical technology.
- SMC Ltd. Medical device contract manufacturer offering design, tooling, molding, and assembly services. Closely overlaps with Mos Plastics across cleanroom molding and medical sub-assemblies.
- Injectech Medical: Specialty medical injection molder producing precision components for medical device and diagnostic OEMs. Overlaps Mos Plastics on cleanroom-molded medical components.
- Minaris Medical (formerly Medbio): Medical device contract manufacturer providing cleanroom injection molding and assembly for diagnostics and drug delivery. Directly competes for pharmaceutical and diagnostics OEM programs.
Emerging players
- PTI Engineered Plastics: Precision injection molder focused on tight-tolerance components, including medical and electronics programs. Comparable high-precision injection molding capability, though more diversified across industrial end markets than Mos Plastics' medical/electronics emphasis.
Broad incumbents
- Helix Medical (now part of Freudenberg Medical): Global medical device contract manufacturer with extensive cleanroom injection molding footprint. Larger and broader incumbent competing for many of the same pharma and medtech OEM programs as Mos Plastics.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat3 records
Key risks6 records
Key highlights7 records
Customer concentration
Mos Plastics financial estimates
Financial estimateRevenue estimate
Valuation estimate
Mos Plastics leadership team
Management profileNumber of profiles
Mos Plastics funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Mos Plastics M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Mos Plastics
What does Mos Plastics do?
Mos Plastics is a contract manufacturer specializing in high-precision plastic injection molding, custom tooling, mold making, and engineering services for medical, pharmaceutical, diagnostic, and electronics OEMs. The company produces custom-molded precision components and sub-assemblies in Class 7 and Class 8 cleanrooms at its 55,000 square foot facility in San Jose, California. Operations are integrated as a division of Currier Plastics following the January 2026 acquisition.
Is Mos Plastics a public or private company?
Mos Plastics is a private company. It is classified as private equity controlled and is currently acquired.
When was Mos Plastics founded?
Mos Plastics was founded in 1974. It employs 101 to 250 people.
Where is Mos Plastics based?
Mos Plastics is headquartered in San Jose, United States, in the North America region.
How does Mos Plastics make money?
One revenue line is on record: contract Manufacturing Services.
Who are Mos Plastics's main competitors?
Direct peers on record are Plastic Molded Concepts, Tessy Plastics, Donatelle Plastics, Medical Murray, Currier Plastics, SMC Ltd., Injectech Medical and Minaris Medical (formerly Medbio). PTI Engineered Plastics is listed as an emerging player. Helix Medical (now part of Freudenberg Medical) is listed as a broad incumbent.
Does Mos Plastics have an API?
No public API is recorded for Mos Plastics.
What industry is Mos Plastics in?
Mos Plastics's product category is Plastic Contract Manufacturing. Its primary akta.pro industry code is IMANAFAC, Medical & Life Sciences Injection Molding (Devices, Diagnostics, Cleanroom), with a secondary code of IMANAFAJ, Custom Injection Molding & Contract Manufacturing (Job Shops/CMs). Its NAICS code is 3261 and its SIC code is 3080.