"MSI has always been there for our company ... they provide great support!"
Seymore Parker
System Engineer

About MacLean Senior Industries


MSI has long been known for designing custom solutions to meet the particular needs of its customers. No matter how special the application, outside plant hardware products and electronic components are designed, tested and produced to high quality standards to satisfy the needs of the industries it serves.

Design/Product Development
Experienced MSI professionals with a problem solving attitude, backed by the most recent technological capabilities, will respond to your unique product need with an innovative and cost effective solution that can be produced to meet your budget and timetable. With over 50 patents and the track record of developing hundreds of proven products you can trust us to provide exactly what you need, when you need it.

Worldwide Manufacturing Resources
MSI is an American company with global manufacturing capabilities. We can ensure that your product needs will be met when you need them, and at a consistently high level of quality. Our team of manufacturing experts, backed by the worldwide resources of the MacLean-Fogg network, applies the same stringent quality standards at each of our manufacturing facilities. This enables us to produce consistently reliable products to meet your budget and delivery schedule.

Quality You Can Depend On
MSI is ISO 9001 certified. We won’t produce a product that doesn’t meet our high quality and reliability standards, per the product specifications. If you have a question about any MSI product, we will be there to respond to it.

In addition to the MSI Headquarters and Distribution facility in Wood Dale, Illinois, we utilize seven other warehouses around the U.S. and can also work with you to establish consignment and VMI inventory programs. By monitoring your part usage patterns, we can often anticipate your requirements, making sure that parts are available when and where you need them. We also provide bar coding and EDI order entry to help you easily control your business.

RoHS Directive
MSI is committed to global environmental conservation. Read about our compliance with the RoHS Directive