Our products are comprehensive and diverse, the links below will direct you to the correct product category. Many of our product categories incorporate a selection tool which enables you to quickly navigate to your product of interest.

Vertiv/Liebert and Related Products

Vertiv, a global technology company, protects and optimizes critical infrastructure for data centers, communication networks, and healthcare, higher education, manufacturing and industrial facilities. The Liebert brand specializes in the development and manufacture of uninterruptible power systems (UPS), power distribution units (PDU), precision cooling, thermal management, server rack cabinets and enclosures, infrastructure monitoring management solutions, DC power systems and connectivity technologies. The ASCO brand specializes in the development and manufacture of SPD, automatic transfer switches, Switchgear and monitoring.


With over 70 years of experience, AMCO Enclosures is a recognized leader in the design, manufacture and integration of standard or custom electronic racks and cabinets for all segments of industry.


Make sure your facility has available power for all mission critical operations like communications, data processing, and analysis with ASCO Power Controls Systems and switchgear. 

Battery Systems

Sealed Valve Regulated (VRLA) and Flooded Battery Systems specifically designed for each mission critical application. Specifying the correct battery system for each application is critical to maximizing reliability in your UPS system.

Portable Cooling

We’ve Got You Covered with Our Portable Air Conditioning Units

J.S. Fleming Associates, Inc. is New England’s oldest and largest supplier of MovinCool portable air conditioners. Since 1985, we’ve prided ourselves on supplying our customers with the premier product in the portable cooling industry, and backing it up with superior service. Our customers include many HVAC industry professionals, as well as a wide variety of commercial, industrial, educational and governmental institutions. A large number of Fortune 500 companies are among them.

From our convenient office/warehouse location in Marlborough MA, we are within a convenient hours drive of Boston, Springfield, Worcester MA, Providence RI, Hartford CT and Southern NH.

Available for purchase, short and long term rentals – Call (800) 498-0904

Southern Tier Technologies

Southern Tier Technologies is a power quality company focused on providing customers with Innovative Solutions for Clean, Reliable Power; focused on delivering intelligent, easy-to-use products and services that exceed customer’s expectations each and every time.

Static Power

Globally recognised as the Automatic Transfer Switch expert, Static Power designed the iSTS; a unique range of smart, solid and safe Static Transfer Switches.