About Comark

Comark is a leading provider of highly reliable edge computing, ruggedized computer and display solutions for mission critical automation and control applications around the world.

Backed by over 41 years experience and an impeccable track record, Comark delivers design excellence in off-the-shelf and custom engineered solutions for applications across the industrial and building automation space.

Comark History

  • Founded in 1974
  • Sept. 2013 - JMC Capital Partners acquires Comark
  • June 2014 -  Comark acquires Nematron
  • Oct. 2014 -  Comark expands it's footprint to Milford, MA, with an additional 60,000 sq. ft. of space
  • Dec. 2014 - Comark acquires Total Control Solutions (TCS)
  • July 2017 - Comark acquires Data Ltd. Inc. (DLI)

Wide Breadth of Industrial Products

With the addition of these companies, Comark can now offer customers in the Industrial Automation, Fire & Life Safety, Building Automation, and Military markets a comprehensive selection of industrial edge computing and display products that will allow them to deploy automation solutions that will improve their businesses.

Our Commitment

Our goal is to design and manufacture products with a 5 to7 Year product support path, depending on the product. We pledge our support to our customer’s success by designing products that will have an available upgrade path to ensure your mission is achieved. We’re here for the long haul and vow to be able to service your product. We have over 41 years of dedicated customer service and technical support experience and look forward to supporting your application requirements. Contact us for application, product or after sales support at 1-800-280-8522.

Comark's industrial computers and displays are built to work reliably in environments where other machines fail.

Comark is a world-class provider of smarter automation solutions and IIoT platforms for the industrial and building automation markets. With a proven track record of innovative designs and unparalleled reliability, Comark enables companies to implement automation strategies to improve the performance of their business.

Our Process

We at Comark are focused on fully meeting and exceeding the needs of our customers and we believe the way to do this is to be a continuous improvement focused company.  Every day we think about four metrics:  Safety, Quality, Delivery, Cost. 

  • The safety of our employees is foremost.  We continually ensure that they have the right training, tools, equipment and that their work area is organized and clean so that they can do their job safely. 
  • We are ISO 9001 Certified with a comprehensive quality management system to ensure that the quality of our products exceeds our customer’s expectations.
  • We are focused on meeting our customer’s on time delivery expectations.  In addition, we also are able to offer different levels of products with different lead-times. 
  • At the end of the day, we must keep our costs in check so we can remain a healthy ongoing business and continue to support our customers.  

Through our continuous improvement philosophy we are able to provide our customers with the best value products that lower their Total Cost of Ownership over the life of the product.



Our dedicated R&D group provides in-depth product testing, new product design, and part qualification. Comark has the equipment, facilities, and experience to design solutions that operate reliably in tough conditions where dust, dirt, water, extreme temperatures, high shock, and vibration are part of everyday operations.

  • Bonding of EMI Glass and Touchscreens, UV cured to LCD Panels to reduce fogging and improve contrast ratio and clarity by the reduction of secondary reflections and index matching
  • Solidworks 3D Modeling reduces design time while optimizing product releases
  • OrCad Schematic Capture and PCB Layout for all electrical designs
  • Thermal Analysis for extreme high and low temperature testing
  • On-site EMI Chamber and full environmental testing
  • Shock and Vibration Lab for in-house product qualification
  • Rapid Prototype Capability

Comark provides highly reliable and trusted industrial display and industrial computer solutions for mission-critical automation, IIoT platforms and fire and life safety applications around the world. Our offerings include rugged desktop, rugged panel PC, node PCs and rugged 2U and 4U rackmount computer solutions, as well as mobile solutions including rugged tablet PC, PDA and vehicle mounted computers. We offer a wide range of options for an industrial touch screen computer, including a panel mount touch screen monitor that is fully enclosed for protection from washdown sprays. We are a leading provider of marine computer solutions for cruise ships and maritime boats, and we offer certified military displays, military grade tablet PC, military panel PCs and military node PCs equipment.

Our Brands

We provide reliable, innovative, and smarter automation products tailored to each customer's specific needs and requirements under the Comark and Nematron brand names.

In June 2014, Nematron Corporation was acquired by Comark. This strategic acquisition strengthened Comark’s position in the industrial automation market with both an established product line and distribution channels.   Nematron’s highly engineered products are primarily focused on the severe and hazardous industrial automation markets and carry a number of 3rd party approvals required to participate in this space.   Nematron’s operations have been fully integrated into Comark’s Milford, MA headquarters.

Going forward, Comark will retain Nematron as our brand primarily targeted at severe and hazardous industrial automation applications.

In December 2014, Total Control Solutions (TCS) was acquired by Comark.  This strategic acquisition bolstered Comark’s capabilities to custom design industrial computers to meet the specific needs of OEM’s in the industrial automation market.  TCS’s operations have been fully integrated into Comark’s Milford, MA headquarters.

Going forward TCS will be rebranded with the Comark brand, while retaining all of the former capabilities TCS offered.

In July 2017, Data Ltd. Inc. (DLI) was acquired by Comark. The combination of Comark and DLI brings the consolidated customer base an industry-leading choice of industrial computing solutions. DLI’s mobile computing technology is a perfect complement to Comark’s high-value, rugged and reliable industrial computing solutions. The expanded product line will benefit Comark and DLI customers who are looking for compact, innovative and ruggedized solutions.  Click here to learn more.

In January 2020, COMARK acquired the Patrol Data Rugged Mobile Data Terminal product line. This strategic acquisition bolstered COMARK’s rugged in-vehicle mobile capabilities. COMARK’s Patrol Data 12 brand product is engineered to maintain peak performance levels in the harshest of in-vehicle environments. Click here to learn more

3rd Party Agency Certified Compliance

UL/cUL 508 (now UL 61010)UL 508a is the safety standard for Industrial Control Panels and is recognized internationally by the UL Mark. Nematron brand industrial computers and industrial displays have been tested and certified, meeting all UL 508 safety standards for industrial control equipment, which means that they have passed certification for UL 508a Panel Shop to install Nematron brand industrial products into their control panel systems. Nematron brand industrial products bear the UL mark of safety. cUL refers to the Canadian equivalent to UL 508 for safety and is based on CSA 22.2.

UL/cUL Class I, Div 2 Hazardous Locations (ANSI/ISA 12.12.01)
Stringent standards of safety must be met in order to bear the UL mark of safety in Class I, II, & III, Division 2 Hazardous Locations environments. Electrical equipment to be used in classified hazardous locations are tested to ensure they do not initiate an explosion due to arcing contacts or high surface temperatures. Nematron brand industrial computers and displays meet these strict safety standards and are approved for use in hazardous areas in North America. cUL refers to the Canadian equivalent to UL Class I, Division 2 ratings for safety and is based on CSA 22.2.

IECEx International Safety Compliance (Includes ATEX compliant)
IECEx is an international standard by which industrial products are verified to be compliant with IEC international standards of safety in hazardous areas. Comark is an approved supplier of ISO 9001 certified manufactured industrial equipment and offers a selection of Nematron brand IECEx compliant industrial computers and displays that bear the IECEx mark of conformity and have been certified for use in international hazardous locations.

UL864 9th Edition Life Safety Compliance for Fire Alarm Systems
In accordance with NFPA standards, UL864 standards cover the compliance of control units being installed in fire alarm systems providing monitoring, control, and notification functions. Comark offers a robust selection of UL864 approved computers and displays and keep stringent configuration control on all system assemblies to maintain compliance for the life of the product.

UL/cUL 60601 Medical Compliance
Comark healthcare computers and medical panel PCs are designed for use in medical device applications and healthcare settings. These products and systems meet medical certifications including UL/cUL Medical 60601-1 version 3, greatly simplifying the certification requirements for the medical application. Comark medical computers systems include long life Intel embedded processors and industrial components for the longest life cycle support and long-term availability.

EN50155 Certification for Transportation Applications
Comark specializes in computer and display solutions for the transportation industry including train, railway, light rail vehicle, and rolling stock applications. Comark can accommodate the requirements for any specialized train computer or display. Comark offers rapid product development and EN50155 certification for operator displays, NVR, passenger counter computers, digital signage controllers, door monitoring computers, and other train and railway applications.

ABS Type Approval based on IEC 60945
A selection of Comark military and marine offshore products have gone through ABS Type Approval testing, which designates these products for use aboard an ABS-classed vessel.

MIL-STD 810 Standards Testing
The U.S. Military Standard (MIL-STD) 810 testing standard is the standard by which Comark Military products have been tested and certified for use in military applications. With testing for temperature, humidity, sand & dust, immersion, and shock & vibration, Comark ruggedized military computers and display are designed with durability and reliability in mind. In addition, MIL Rugged products are required to meet requirements set forth by MIL-STD-461 for EMI and EMC compliance, MIL-STD-167 for specific shipboard vibration, MIL-S-901 for Shock survivability and others.

Self-Certified Compliance

NEMA/IP Rating
The National Manufacturers Electrical Association (NEMA) produces a set of standards used in North America by which electrical enclosures are graded based upon their level of protection against environmental hazards such as water, dust, oil or atmospheres containing corrosive agents. Ingress Protection (IP) is an international method of rating enclosures against ingress protection based on IEC60509. While similar to NEMA, IP ratings require different test methods. Comark certifies that the industrial panel displays and monitors are compliant with NEMA 4, 4X, 12 and/or IPXX standards. See specifications for the specific NEMA/IP rating per product.

CE Marking Compliance
The CE marking is the manufacturer's declaration that products meet the requirements of the applicable European Union directives and can be sold within the European Economic Area. CE is a worldwide recognized mark of conformity. Nematron branded products are certified to meet all CE requirements.

FCC Marking
The FCC mark is a certification mark required on electronic products manufactured or sold in the U.S.  which certifies that the electromagnetic interference (EMI) from the device is under limits approved by the Federal Communications Commission. Comark products are tested to meet FCC Part 15 subpart B Class A at a minimum and in certain cases are certified to Class B and bear the FCC mark and to show compliance with this standard.

Download the IEC/IECEE Certification Standards


ISO 9001:2015

Comark quality is driven by manufacturing excellence. And our manufacturing excellence stems from the quality system that is in place through which all assembly and testing processes are checked and verified against. The end result? Comark has one of the lowest warranty failure rates in the industry, and impeccable customer satisfaction.

Research & Development

Comark has the experience and expertise to develop custom hardware and software to support our customer’s requirements, including Electrical Engineering, Software Engineering, and Mechanical Engineering. Comark delivers R&D excellence in off-the-shelf and custom engineered solutions for applications across the industrial and building automation space, and has been doing so for over 40 years.

In-House Testing Capabilities

To ensure that our products will operate reliably in the most challenging environments, Comark maintains in-house environmental testing laboratory equipment that is also supplemented by outside resources, as required. In-house testing includes temperature & humidity, vibration and EMI.


Comark products are assembled in Milford, Massachusetts in our 60,000 square foot facility. Every aspect of our manufacturing process - from inventory management to parts obsolescence to assembly and testing - is carefully planned and then executed with precision.

Comark Quality Policy

Click here to download the quality policy  

Comark Quality Manual

Click here to download the quality manual  


For more information, contact us at [email protected]

Comark Suppliers

Our suppliers are a critical component of the business value stream in satisfying the end customer. It is our goal to engage in suppliers that provide value by providing top quality product and services, on time and to a competitive market price.

We are an ISO 9001 Certified Company and have processes in place to qualify suppliers and measure on-going performance. All suppliers are responsible to flow all Purchase Order requirements to sub-tier suppliers as required and as applicable.

Due to the competitiveness of the industrial ruggedized edge computer market, suppliers are highly encouraged to continuously improve their processes in order to drive down product cost which can be passed on to COMARK and to our end customer.

Supplier Quality Clause
As of 6/29/15, all new COMARK Purchase Orders will reference our new “Supplier Quality Clause Document”. This document is available for you to download on this page of our website.

Please note that General Quality Clauses apply to all purchase orders. Special Quality Clauses shall apply as noted to specific line-items and or parts/services.

Download the "Supplier Quality Clause Document" (pdf)

Manufacturing & Testing

Environmental Testing

To be assured that our products will operate reliably in the most challenging
environments we maintain an in-house environmental testing laboratory that is
supplemented by outside resources as required.

  • Temperature and Humidity Testing
  • Vibration Testing
  • EMI Testing

Shock Testing

To meet MIL-STD-901D, Comark uses outside labs to perform lightweight, medium weight, and barge testing. We perform tests on major components early in the design cycle to mitigate risk at the system level. The following video shows a shock hit to a processor board filmed with a high speed showing catastrophic failure, note the highlighted battery and IC.

Research & Development

Comark has over 41 years of experience designing products for the most challenging environments. Our R&D department has the experience to develop custom hardware and software to support your requirements.

Electrical Engineering

  • Digital and Analog Circuit Design
  • PCB Layout
  • Simulator
  • Power Systems
  • System Engineering

Software Engineering

  • Windows Driver Development
  • XP Embedded Development
  • Embedded Linux Development
  • Application Development

Mechanical Engineering

  • 3D Solid Model Design
  • Thermal Analysis
  • Structural Analysis



Working for Comark

Located in Milford, MA, Comark, LLC is a stable and steadily growing company, committed to being a driving force behind our customer's success. We provide a challenging and fast-paced work environment, a variety of technologies, as well as a competitive benefits package. If you are ready to join a company where your work really makes a difference, please send us your resume.

Comark designs and manufactures high-performance, ruggedized, edge computers and displays for military and tough commercial applications. Our custom computer solutions serve several major markets including Industrial Automation and Building Automation.

Open Positions

If you are interested in applying for any other position please forward your resume for future consideration. In the subject matter of your email, please state the type of position you are interested in to.
[email protected].

Comark is an Equal Employment Opportunity employer.

To view available positions or fill out an application: