Millstone Medical

What Millstone Medical does

Millstone Medical is a US-based medical device outsourcing company that operates a single-PO program ownership model for medical device OEMs, integrating component supplier coordination, complex cleanroom assembly, sterile packaging, sterilization management, ISO 17025-accredited laboratory testing, and finished-device logistics and distribution under one accountable program team. Founded in 2000 and headquartered in Fall River, Massachusetts, the company runs five facilities across Massachusetts, Connecticut, Rhode Island, and Mississippi, including a 20,000 sq ft ISO 7 cleanroom, two ISO/IEC 17025-accredited testing labs (formed from the 2022 acquisitions of Ethide Labs and MycoScience), a 270,000 sq ft Olive Branch logistics campus, and ISO 5 precision liquid-filling capacity for vials and syringes. Its customer base is concentrated in orthopedic, cardiovascular, robotic-assisted surgery, and pharmaceutical combination product OEMs, with documented sub-6-month sterile program launches versus an industry-typical 18+ months, and 60% faster lab turnaround than external labs.

Millstone generates revenue primarily through multi-year program contracts with enterprise medical device OEMs, with pricing quoted on a custom basis tied to program scope, device complexity, volume, and service mix (managed services, transaction-based lab testing fees, and professional services for filling). The go-to-market is sales-led enterprise field sales combined with an inside-sales/quote-request funnel, supported by a content-marketing blog (113+ posts), onsite facility visits, and PR. The company holds a dense regulatory credential stack — ISO 13485, ISO/IEC 17025, FDA registration, NABP/VAWD drug distributor accreditation, HCT/P registration, SOC 1 Type 2, and state-level distribution and direct-to-patient licenses — which functions as a significant barrier to entry and shapes customer switching costs. In November 2025, Millstone appointed Gregg Olson as Chief Commercial Officer to lead growth and expand OEM partnerships, and in 2026 launched a customer resources platform with an online testing quote system and portal.

Name

Millstone Medical

Legal name

Millstone Medical Outsourcing, LLC

Website

https://millstonemedical.com

Company type

Private

Founded year

2000

Operating status

Operating

Headcount range

501–1,000 employees

Short description

Millstone Medical is a US medical device outsourcing partner that runs a single-PO program ownership model — integrating supplier coordination, cleanroom assembly, sterile packaging, ISO 17025 testing, sterilization, and logistics — for enterprise OEMs in orthopedic, cardiovascular, robotic-assisted surgery, and combination product segments.

Ownership category

akta.pro rank

Product category

Medical Device Outsourcing Services

NAICS

Medical Equipment and Supplies Manufacturing (3391)

SIC

Surgical & Medical Instruments & Apparatus (3841), Services-Medical Laboratories (8071)

akta.pro primary industry

Medical Device Packaging (Trays, Clamshells, Kits) (IMALAIAD)

akta.pro secondary industries

Reusable Medical Container & Liner Services (Rental, Wash, Reverse Logistics) (BPALAGAI), Medical Devices & Diagnostics Temperature-Controlled Storage (TLALABAH)

Keywords

• Medical device outsourcing
• Sterile packaging services
• Cleanroom assembly
• Medical device testing
• Kit management logistics

Headquarters

HQ city

Olive Branch

HQ country

United States

HQ region

North America

Offices5 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Program Ownership Services: Full-span outsourcing services covering supplier coordination, cleanroom assembly, sterile packaging, laboratory testing, and logistics under a single PO model. Revenue generated through program fees, per-unit manufacturing costs, and ongoing production contracts with medical device OEMs.
2. Laboratory Testing Services: ISO 17025-accredited testing services including microbiology, chemistry, biocompatibility, and package integrity testing. 60+ tests offered with published turnaround times. Revenue per test or through testing program contracts.
3. Logistics & Kit Management: Warehousing, inventory management, kit/set management, late-cutoff distribution, and field returns processing. Revenue through logistics fees, inventory carrying costs, and distribution services.
4. Liquid Filling Services: Precision liquid filling for vials and syringes in ISO 5 environments. Supports clinical batches through scaled commercial production. Revenue through filling services fees.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

Millstone Medical is a medical device outsourcing partner that owns complex medical device programs end-to-end under a single purchase order, integrating component supplier coordination, product-specific cleanroom assembly, sterile packaging and labeling, sterilization management, ISO 17025-accredited laboratory testing, and distribution/kit management. The company serves medical device OEMs across orthopedic, cardiovascular, robotic-assisted surgery, and pharmaceutical combination product segments, compressing typical 18+ month sterile program launches to under 6 months. It operates five facilities across Massachusetts, Connecticut, Rhode Island, and Mississippi, with 20,000 sq ft of cleanroom space and a 270,000 sq ft logistics campus.

Product overview

Millstone Medical offers a unified single-PO (purchase order) model for medical device program ownership, integrating six core service pillars: Program Ownership, Complex Assembly, Sterile Packaging & Labeling, Sterilization Management, Laboratory Testing & Microbiology, and Logistics & Kit Management. An additional capability includes Filling Capabilities for vials and syringes. The company operates ISO 17025-accredited in-house testing laboratories (formed through acquisitions of Ethide Labs and MycoScience) and manages the full supply chain from component suppliers through finished sterile device shipment under one accountable team. The integrated model covers supplier coordination, cleanroom assembly, sterile packaging, laboratory testing, and logistics—enabling sub-6-month program launches compared to industry-typical 18+ months.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Sub-6-month sterile program launch capability (vs 18+ months industry typical)
• +6 more outcomes

Named customers1 record

Segments5 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

One partnership is on record.

• MycoSciencecoreStrategic or Co-development Partner · 1 November 2022Millstone completed acquisition of MycoScience in November 2022. MycoScience was a provider of laboratory and environmental testing services. The acquisition enhances Millstone's capability to offer in-house testing and support faster product development for medical device and pharmaceutical companies. Combined with Ethide Labs acquisition, enabled launch of Millstone Testing Services consolidating packaging, environmental, and microbiology testing into integrated ISO 17025-accredited offering.

Scale indicators14 records

Recent moves13 records

Expansion highlights6 records

Direct peers

• Integer Holdings: Integer Holdings is a leading medical device outsource manufacturer serving cardiac, neuromodulation, and orthopedic OEMs with contract manufacturing, sterile packaging, and supply chain services. Directly comparable to Millstone across the integrated medical device outsourcing value chain, though Integer operates at substantially larger scale as a public company.
• Viant Medical: Viant Medical is a pure-play medical device contract manufacturer offering design, engineering, molding, assembly, packaging, and sterilization services to OEMs. Comparable to Millstone in serving orthopedic and other medtech OEMs with full-spectrum outsourcing, but Viant's tooling and molding capabilities extend further upstream.
• Avalign Technologies: Avalign Technologies provides medical device contract manufacturing with expertise in complex metal and polymer components, instruments, and implants for orthopedics and other medtech segments. Closely comparable to Millstone's complex assembly and sterile packaging services targeting orthopedic OEMs, with similar mid-market positioning.
• Tegra Medical: Tegra Medical is a medical device outsource manufacturer specializing in precision machining, injection molding, assembly, and packaging for surgical and interventional devices. Directly comparable to Millstone's complex assembly and sterile packaging model targeting cardiovascular and surgical OEMs.
• Plexus Corp: Plexus Corp is a global electronic manufacturing services provider with a dedicated healthcare and life sciences segment serving medical device OEMs with assembly, packaging, and after-market services. Comparable to Millstone in serving medtech OEMs but with broader EMS heritage including electronics-heavy devices.
• Mack Molding: Mack Molding's medical division provides contract manufacturing, assembly, and packaging services to medical device OEMs with deep expertise in injection molding and cleanroom assembly. Comparable to Millstone in serving medtech OEMs with integrated manufacturing and packaging, particularly in the Northeast US.
• SteriPack Group: SteriPack Group is a global contract manufacturer specializing in sterile packaging, medical device assembly, and kitting services. Closely comparable to Millstone's core sterile packaging and kit management offerings for medical device OEMs across multiple geographies.

Broad incumbents

• West Pharmaceutical Services: West Pharmaceutical Services is a global incumbent in primary packaging and delivery systems for injectable pharmaceuticals and medical devices, including elastomer components and sterile barrier solutions. Comparable to Millstone in pharmaceutical combination product packaging but at substantially larger scale and broader scope.
• Catalent: Catalent is a global contract development and manufacturing organization providing drug delivery, biologics, and pharmaceutical services. Comparable to Millstone's combination product and pharmaceutical distribution capabilities through NABP-accredited services, but operates at much larger scale across a broader pharma services portfolio.
• Nipro Corporation: Nipro Corporation is a global medical device and pharmaceutical manufacturer offering contract manufacturing of medical devices, dialysis products, and pharmaceutical packaging. Comparable to Millstone's medical device manufacturing and sterile packaging services, but Nipro operates at substantially larger scale as a diversified incumbent.

Market position

Strengths5 records

Weaknesses3 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/millstonemedicaloutsourcing

Compliance8 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries2 records

Funding overview

Funding rounds1 record

Investors1 record

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

M&A2 records

Investments

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

Frequently asked questions about Millstone Medical