What Millar does

Millar LLC is a privately held, vertically integrated medical device and MEMS sensor company founded in 1969 in Houston, Texas by Huntly Millar and now headquartered in a 56,000 sq. ft. facility in Pearland, Texas. The company designs and manufactures high-fidelity microelectromechanical systems (MEMS) pressure sensors — including acute catheter-tip sensors and the TiSense chronic implantable platform — alongside ISFET pH, electrical conductivity (EC), oxidation-reduction potential (ORP), temperature, and admittance-based volume sensors. Core sensing IP is produced in-house across an 18,000+ sq. ft. ISO Class 7 clean room footprint with a dedicated microfoundry capable of full-flow wafer fabrication through calibrated sensor assembly.

Millar operates as a hybrid contract design and manufacturing organization (CDMO) plus finished medical device supplier. It sells MEMS sensors and OEM integration services to medical device manufacturers under multi-year, quote-based contracts; offers off-the-shelf R&D evaluation kits and Bluetooth multiparameter probes (ConeFET, CupFET, LanceFET, MicroFET) paired with a Sentron mobile app; and markets FDA-approved clinical products such as the Mikro-Cath disposable pressure catheter and SPT-301 non-invasive pulse tonometer. The 2023 acquisition of Netherlands-based Sentron added glass-free ISFET pH, EC and ORP technology plus a Leek manufacturing facility, extending reach into industrial and environmental applications (water quality, precision agriculture, food and beverage).

Revenue is generated through four streams: proprietary MEMS pressure sensor sales to OEMs, full-stack CDMO integration services across a documented 7-stage process, off-the-shelf R&D kits and probes, and contract manufacturing/microfoundry services. Go-to-market is enterprise field sales supported by direct quote engagement, on-site facility tours, a global distributor network, and an exclusive distribution partnership with ADInstruments for the Scisense pressure-volume research product line. The company carries ISO 13485:2016, EU MDR, EC Design-Examination, Australian TGA, and UKCA certifications, and its sensors are integrated into multiple FDA-approved medical devices including the Codman Microsensor ICP Transducer and Mikro-Cath.

Name

Millar

Legal name

Millar LLC

Website

https://millar.com

Company type

Private

Founded year

1969

Operating status

Operating

Headcount range

101–250 employees

Short description

Millar LLC is a privately held, vertically integrated MEMS sensor CDMO founded in 1969, designing and manufacturing high-fidelity pressure, ISFET pH, EC, ORP, temperature and volume sensors for medical device OEMs, clinical researchers, and select industrial customers globally.

Ownership category

akta.pro rank

Product category

Medical Device Sensors

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Electromedical and Electrotherapeutic Apparatus Manufacturing (334510), Other Measuring and Controlling Device Manufacturing (334519)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Electromedical & Electrotherapeutic Apparatus (3845), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Industrial-Grade Sensors & Transducer Components (Discrete sensing elements, transducers, MEMS sensors) (IMAGAJAO)

akta.pro secondary industries

Pressure & Force Sensors (Pressure/Strain/Load Cells) (HDAHALAB), MEMS & Sensor Foundries (HDAHACAF), Sensor Fusion, Interface ICs & Modules (AFE/Readout/Packaging/Calibration) (HDAHALAO), Industrial Sensors (Pressure, Temperature, Flow, Level, Proximity, Vibration) (IMAGAFAA)

Keywords

• MEMS pressure sensors
• OEM sensor integration
• ISFET pH sensors
• Clinical pressure catheters
• MEMS microfoundry services

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices2 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. MEMS Pressure Sensor Sales: Sale of proprietary MEMS pressure sensors for integration into OEM medical devices. Sensors are sold directly to medical device manufacturers for acute and chronic applications. Pricing is quote-based with volume considerations for larger orders.
2. OEM Integration Services: Comprehensive contract design and manufacturing organization (CDMO) services for sensor integration. Includes feasibility studies, proof of concept, prototyping, manufacturing development, design validation, clinical trial support, and device commercialization. The 7-stage OEM process supports medical device development from concept to market.
3. R&D Kits and Probes: Sale of off-the-shelf R&D evaluation kits for pressure and pH sensors, and multiparameter probes. These products enable customers to benchtop-test and evaluate sensor technology before committing to full integration partnerships.
4. Contract Manufacturing Services: Microfoundry and clean room manufacturing services for sensor fabrication and device assembly. Includes laser welding, wire stringing, automation systems, and precision manufacturing capabilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels6 records

Core offering

Millar designs, manufactures, and sells proprietary MEMS-based pressure sensors (acute and chronic/TiSense), ISFET pH sensors, EC, ORP, temperature, and admittance-based volume sensors for integration into medical and industrial devices. The company is a vertically integrated CDMO that supplies OEM sensor solutions, off-the-shelf R&D kits and Bluetooth multiparameter probes, FDA-cleared clinical catheters and tonometers, and contract microfoundry/clean room manufacturing services. End-to-end capabilities cover in-house wafer fabrication through design validation and commercialization support for medical device manufacturers, researchers, and industrial sensor users.

Product overview

Millar is a vertically integrated contract design and manufacturing organization (CDMO) specializing in advanced sensor technology for medical, industrial and environmental applications. The company's portfolio centers on precision MEMS pressure sensors (acute and chronic/TiSense), ISFET pH sensors, electrical conductivity (EC) sensors, ORP sensors, temperature sensors, and volume sensors using conductance/admittance technology. Millar serves customers through three primary channels: (1) Clinical products including the Mikro-Cath pressure catheter, SPT-301 pulse tonometer, and pressure control units; (2) Off-the-shelf R&D evaluation kits and wireless multiparameter probes (ConeFET, CupFET, LanceFET, MicroFET) with Bluetooth/Sentron App integration; and (3) Comprehensive OEM integration services leveraging in-house microfoundry and ISO Class 7 clean room capabilities for custom sensor integration from concept through commercialization. The 2023 acquisition of Sentron expanded Millar's portfolio into multiparameter solid-state sensors for industrial and environmental markets.

Differentiator

Problem solved

Functional benefit

Brands

• TiSense: Titanium-encapsulated, hermetically sealed implantable MEMS pressure sensor module designed for implantation periods over five years.
• Mikro-Cath
• Mikro-Tip
• ADInstruments Partnership

Products and services

• MEMS Pressure Sensors (Acute) High-performance piezoresistive MEMS pressure sensors designed for acute medical applications, offering accurate, high-fidelity pressure measurement with low drift for integration into catheter-based medical devices.
• TiSense Chronic Pressure Sensor Implantable MEMS piezoresistive pressure sensor module designed for chronic applications exceeding 5 years, featuring titanium-encapsulated hermetically sealed construction for long-term monitoring.
• ISFET pH Sensors Glass-free ion-sensitive field-effect transistor (ISFET) pH sensors offering exceptional accuracy and reliability across medical, industrial and environmental applications, including use in clinically approved medical devices.
• EC Sensors Electrical conductivity sensors manufactured in-house for water quality monitoring, industrial systems and environmental applications, featuring robust IP67-rated materials and automatic temperature compensation.
• ORP Sensors Solid-state oxidation-reduction potential sensors providing accurate real-time redox monitoring for water treatment and industrial process control, featuring glass-free ISFET-based design.
• Temperature Sensors Solid-state temperature sensors offering consistent accurate readings across medical, industrial and environmental applications, with automatic temperature compensation for multiparameter sensor systems.
• Volume Sensors High-fidelity volume measurement solutions using conductance and admittance technology for real-time fluid management in medical and industrial settings, integrated with pressure measurements for PV loop analysis.
• Mikro-Cath Pressure Catheter FDA-approved disposable pressure catheter providing high-fidelity pressure measurements for clinical evaluation of cardiovascular, respiratory and intra-compartmental function.
• SPT-301 Non-Invasive Pulse Tonometer Non-invasive pulse wave tonometer enabling simple assessment of cardiovascular function through high-fidelity blood pressure waveforms from direct arterial contact.
• Pressure Control Units (TC-510, PCU-2000) Control units for interfacing Millar Mikro-Tip catheter pressure transducers with clinical cath lab monitors and data acquisition systems, providing calibration and zero balancing functionality.
• MEMS Pressure Sensor R&D Kit Comprehensive evaluation kit for OEMs to benchtop test and assess Millar's MEMS pressure sensors before full integration, including sensor, interface electronics and data acquisition components.
• ISFET pH Sensor R&D Kit Glass-free modular evaluation kit for development and testing of ISFET pH sensors, featuring expandable functionality and replaceable components.
• Wireless Multiparameter Probes (ConeFET, CupFET, LanceFET, MicroFET) Bluetooth-enabled multiparameter probes measuring pH, EC, ORP and temperature with replaceable sensor tips and smartphone app integration for real-time monitoring.
• OEM Sensor Integration Services End-to-end contract design and manufacturing organization (CDMO) services for integrating Millar sensors into medical, industrial and environmental devices, covering discovery through commercialization.
• Microfoundry Services Pure-play MEMS microfoundry offering end-to-end sensor fabrication from wafer processing through assembly, including lithography, chemical vapor deposition, and testing.
• ISO Class 7 Clean Room Manufacturing ISO-certified clean room facilities (Class 7 and Class 8) supporting FDA-approved clinical product development and pre-clinical manufacturing with controlled environments.
• Sentron App Smartphone application for iOS and Android enabling Bluetooth connectivity with Sentron multiparameter probes for real-time data monitoring, calibration guidance and cloud-based storage.

Quantifiable outcome

• MEMS sensors achieve <1% accuracy error over -50 to 200 mmHg applied pressure with drift averaging 0.2 ± 0.1 mmHg over 3 hours
• +4 more outcomes

Named customers4 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature7 records

Partnerships

Five partnerships are on record, tiered core and minor.

• Sentron (Acquired from Sentron spin-off from Johnson & Johnson)coreOEM/ Whitelabel/ Licensing Partner · 1 January 2023Sentron was founded in the Netherlands as a spin-off from Johnson & Johnson, pioneering glass-free solid-state ISFET pH sensors. Acquired by Millar in 2023, Sentron brings multiparameter solid-state sensor expertise including EC, ORP, and temperature sensing capabilities. Now operates as Sentron, a Millar Company from Leek, Netherlands facility.
• Codman (Johnson & Johnson / Integra LifeSciences)coreStrategic or Co-development Partner · 1 January 1990Partnership formed in 1990 to develop the Microsensor ICP Transducer for intracranial pressure monitoring. This collaboration represented the start of Millar's OEM solutions division. The Codman Microsensor ICP Transducer is now part of the Codman CereLink System with MR conditional capability.
• ADInstrumentscoreChannel Partner/ Reseller/ DistributorStrategic partnership leveraging Millar's precision sensors with ADInstruments' data acquisition and analysis software for life science research. Millar distributes Scisense product lines through ADInstruments' exclusive partnership. Provides researchers with integrated ecosystem combining sensor data with analysis capabilities.
• Dr. Joseph MurgominorOthersLong-standing relationship with Dr. Joseph Murgo spanning decades, rooted in passion for innovation and advancement of medical science. Dr. Murgo provides ongoing collaboration and endorsement of Millar's technology.
• Emergo EuropeminorImplementation/ SI/ Consulting PartnerAuthorized Representative in Europe for CE Mark requirements. Located at Westervoortsedijk 60, 6827 AT Arnhem, The Netherlands. Handles field incident reporting for European Communities for regulatory affairs.

Scale indicators6 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• CardioMEMS (Abbott): CardioMEMS developed a wireless implantable pulmonary artery pressure sensor for heart failure monitoring (CardioMEMS HF System), now part of Abbott. Directly comparable to Millar's TiSense chronic implantable pressure sensors in target indication, regulatory pathway, and OEM-style commercialization.
• Endotronix: Endotronix develops implantable pulmonary artery pressure sensors (Cordella HF System) for heart failure management. Competes with Millar's chronic MEMS pressure sensors in the same therapeutic and OEM-partner model, focusing on remote monitoring.

Emerging players

• Vectorious Medical Technologies: Vectorious is developing an implantable left-atrial pressure sensor for HF monitoring (V-LAP), an emerging competitor in the chronic implantable cardiac pressure space where Millar's TiSense capability is differentiated.

Broad incumbents

• Sensata Technologies: Sensata is a large-scale industrial MEMS and pressure sensor manufacturer serving automotive, HVAC, and industrial markets. Comparable on pressure sensor technology and scale, but with broader, non-medical focus and no medical-grade OEM sensor business.
• Honeywell Sensing & IoT: Honeywell manufactures a broad portfolio of pressure, flow, and position sensors for industrial and medical applications. A large incumbent competing with Millar's sensor manufacturing capability, but with significantly broader scope and scale.
• STMicroelectronics: STMicroelectronics is a major MEMS sensor IDM producing accelerometers, gyroscopes, and pressure sensors at scale. Comparable MEMS foundry and design capability to Millar's microfoundry, though STMicroelectronics serves consumer/automotive rather than medical niches as its core.
• TE Connectivity: TE Connectivity (including its former Measurement Specialties and First Sensor acquisitions) manufactures industrial and medical pressure sensors at scale. A broad incumbent competing with Millar across medical and industrial pressure sensing.
• Amphenol (NovaSensor): Amphenol's NovaSensor business manufactures MEMS pressure sensors for medical and industrial applications. Comparable discrete sensing elements and transducer capability to Millar, embedded within a much larger connector and sensor conglomerate.
• Edwards Lifesciences: Edwards Lifesciences develops catheter-based hemodynamic monitoring products (e.g., Swan-Ganz, FloTrac) that overlap with Millar's cardiovascular pressure monitoring applications. A large incumbent in cardiovascular diagnostics rather than a direct OEM sensor competitor.

Others

• ADInstruments: ADInstruments is Millar's exclusive global research-channel distribution partner for pressure-volume loop products and integrates via PowerLab data acquisition with Millar sensors. Comparable in size and life-science research focus, but a complementary ecosystem partner rather than direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/@Sentron-europe
• Xx.com/millarinsights
• Facebookfacebook.com/millar-inc-clinical-132030223495731
• LinkedInlinkedin.com/company/millar-inc

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles12 records

Subsidiaries2 records

Funding overview

Funding rounds

Investors

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

M&A1 record

Investments

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

Frequently asked questions about Millar