Woodstock Sterile Solutions

What Woodstock Sterile Solutions does

Woodstock Sterile Solutions is a privately-held contract development and manufacturing organization (CDMO) specializing in blow-fill-seal (BFS) aseptic manufacturing of sterile liquid pharmaceutical products. Founded in 1968 and headquartered at a single 501-1,000-employee facility in Woodstock, Illinois, the company serves pharmaceutical and healthcare customers across the development lifecycle—from formulation through clinical supply, scale-up, and commercial production. It holds registrations and cGMP certifications in seven jurisdictions (FDA, EU, ANVISA, Japan, Australia, Canada, Brazil) alongside ISO 13485:2016 certification, and distributes to customers on five continents.

The company's core technology is blow-fill-seal, a continuous automated aseptic process that forms, fills, and seals primary containers in under 15 seconds without human intervention, reducing contamination risk relative to traditional sterile filling. Its primary differentiator is a patented Cold BFS process that controls temperature exposure during manufacturing, enabling BFS for thermally sensitive biologics and large molecules—a category previously excluded from BFS due to heat concerns. Additional capabilities include Safebridge 1-4 certified potent compound handling, aseptic insertion technology for tip/cap assemblies, the ADVASEPT plastic container system for monoclonal antibody formulations, and—following a March 2023 laboratory doubling—an in-house analytical and quality control operation supporting a one-stop-shop CDMO model.

Woodstock operates a pure-play CDMO business model: project-based, quote-driven B2B contracts with direct enterprise field sales and no distribution intermediaries. Revenue is generated through fee-for-service contract development, clinical supply manufacturing, scale-up services, and commercial aseptic fill-finish, all executed at the Woodstock site. Primary use cases are ophthalmic drops, respiratory therapies (inhalers and nebulizer solutions), complex solutions/suspensions/emulsions, and biologics, with a more recent expansion into diagnostics packaging. The business is owned by SK Capital Partners, which acquired it from Catalent Pharma Solutions in March 2021 and built out a dedicated executive team including a CFO, CCO, CSO, and SVP of Quality.

Name

Woodstock Sterile Solutions

Legal name

Woodstock Sterile Solutions

Website

https://woodstocksterilesolutions.com

Company type

Private

Founded year

1968

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Woodstock Sterile Solutions is a privately-held CDMO based in Woodstock, Illinois that provides blow-fill-seal aseptic manufacturing of sterile liquid pharmaceuticals for pharmaceutical and healthcare customers across the product development lifecycle.

Ownership category

akta.pro rank

Product category

Sterile Pharmaceutical Contract Manufacturing (BFS CDMO)

NAICS

Pharmaceutical Preparation Manufacturing (325412), Packaging and Labeling Services (561910)

SIC

Services-Commercial Physical & Biological Research (8731)

akta.pro primary industry

Sterile Fill-Finish & Aseptic Manufacturing CDMO (HLAGABAH)

akta.pro secondary industries

Clinical Trial Material (CTM) Manufacturing & Supply CDMO (HLAGABAK), Biologics (mAbs/Recombinant Proteins) CDMO (HLAGABAC), Small-Molecule Drug Product (Solid/Oral/Parenteral) CDMO (HLAGABAB), Packaging, Labeling & Serialization (Clinical/Commercial) CDMO (HLAGABAJ)

Keywords

• Blow-fill-seal manufacturing
• Sterile contract manufacturing
• Aseptic pharmaceutical CDMO
• Biologics fill-finish
• Ophthalmic sterile manufacturing

Headquarters

HQ city

Woodstock

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Supply Chain, Marketing or Sales

Revenue model

1. Contract Development and Manufacturing Services: Provides end-to-end CDMO services for pharmaceutical companies including formulation development, clinical supply, scale-up, and commercial manufacturing of sterile liquid products using blow-fill-seal technology.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels6 records

Core offering

Woodstock Sterile Solutions is a contract development and manufacturing organization (CDMO) that specializes in Blow-Fill-Seal (BFS) aseptic manufacturing of sterile liquid pharmaceutical products. The company offers end-to-end sterile manufacturing services from formulation development through clinical supply and commercial production, serving pharmaceutical and healthcare clients globally from its facility in Woodstock, Illinois.

Product overview

Woodstock Sterile Solutions is a leading Blow-Fill-Seal (BFS) Contract Development and Manufacturing Organization (CDMO) offering a comprehensive portfolio of sterile manufacturing services. The core offering centers on their proprietary Blow-Fill-Seal (BFS) technology and patented Cold Blow-Fill-Seal technology for temperature-sensitive products. Their service suite spans the entire product lifecycle: Formulation Development and Clinical Supply for early-stage development, Scale-Up Services and Lifecycle Management for commercial transitions, and Advanced Aseptic Manufacturing for commercial production. Quality support is provided through in-house Quality Assurance Services and Regulatory Capability Services with global approvals. The company also offers specialized capabilities including Insertion Technology for tip/cap assemblies, the ADVASEPT Container System for biologic formulations, and Potent Material Handling (Safebridge 1-4 certified). They serve diverse therapeutic areas including respiratory, ophthalmic, topical, otic, oral, diagnostic, and biologic applications.

Differentiator

Problem solved

Functional benefit

Products and services

• Blow-Fill-Seal (BFS) Aseptic Manufacturing Services

Quantifiable outcome

• BFS market growing at 5.1% CAGR from $3.1B (2024) to $5.26B by 2034
• +2 more outcomes

Segments5 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Three partnerships are on record, tiered minor.

• McHenry County Health DepartmentminorOthers · 6 April 2021Partnered with Woodstock Sterile Solutions to conduct mass COVID-19 vaccination event for employees, administering 205 vaccines with support from the Illinois National Guard.
• Kirkland & Ellis LLPminorOthersLegal counsel to SK Capital for the acquisition of the BFS sterile CDMO business.
• Paul, Weiss, Rifkind, Wharton & Garrison LLPminorOthersLegal counsel to Catalent for the sale of the BFS sterile CDMO business.

Scale indicators6 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Catalent: Woodstock's former parent and one of the largest global CDMOs. Comparability is direct: Catalent retains significant sterile fill-finish capacity across multiple formats (vials, syringes, BFS) and serves the same pharmaceutical client base, making it the most relevant incumbent benchmark.
• Lonza: Global leader in contract manufacturing for pharma and biologics with significant sterile fill-finish capability. Comparable as a broad CDMO incumbent targeting similar pharmaceutical clients, though Lonza's biologics focus is much larger.
• Patheon (Thermo Fisher Scientific): Within Thermo Fisher's pharma services segment, Patheon operates large-scale sterile manufacturing capacity. Relevant as a much larger incumbent offering overlapping CDMO services to the same pharmaceutical customers.

Direct peers

• Recipharm: Sterile fill-finish CDMO with BFS capabilities serving respiratory, ophthalmic, and injectable markets. Highly comparable business model (CDMO services, BFS technology, similar therapeutic areas) to Woodstock Sterile Solutions.
• Vetter Pharma: Specialist in aseptic fill-finish of injectables and other sterile liquid products. Comparable as a high-end sterile CDMO serving complex pharmaceutical products with similar regulatory and quality demands.
• Aenova Group: European-headquartered CDMO with strong capabilities in sterile liquids, semi-solids, and oral dosage forms. Comparable mid-sized CDMO peer serving similar pharma customers in soft-mist and ophthalmic/rheumatology segments.
• Alcami Corporation: U.S.-based CDMO offering sterile fill-finish, analytical, and pharmaceutical development services. Comparable mid-sized CDMO with similar service portfolio and target customers in sterile drug product manufacturing.
• Becton, Dickinson and Company (BD Pharmaceutical Systems): Operates one of the world's largest BFS manufacturing platforms, including for ophthalmic, respiratory, and injectable applications. Directly comparable to Woodstock on BFS technology, sterile liquid manufacturing, and pharmaceutical customer base.

Regional players

• Nephron Pharmaceuticals: Operates large-scale BFS and aseptic manufacturing capabilities primarily for respiratory and ophthalmic products in the U.S. market. Comparable technology platform and therapeutic focus, though Nephron is more vertically integrated as a manufacturer of its own branded generics.

Emerging players

• Symbiosis Pharmaceutical Services: Specialist sterile fill-finish CDMO focused on clinical trial and small-batch commercial supply of injectables and biologics. Comparable niche CDMO with overlapping customer base and regulatory positioning, though at smaller scale than Woodstock.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/channel/UC-DUucD3IIJmvC2i8j0Oj3g
• LinkedInlinkedin.com/company/woodstock-sterile-solutions

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Woodstock Sterile Solutions