MAC… Products and Services for the transmission, distribution, and control of electrical power.
Scroll Down to Skip Intro

The people and facilities of MAC
… a tradition of quality, integrity, and excellence.

For more than 50 years, MAC has designed and built a wide variety of high quality products for the electric utility, electrified transit, construction, and OEM industries. With a unique blend of modern manufacturing facilities, highly experienced and skilled engineers, technicians, and craftsmen, MAC produces high quality products that meet the needs of the most demanding industries. All facets of our operations are certified ISO9001-2015.

Electric Utility

MAC is North America’s leading producer of pressurizing and circulating plants. We custom engineer, design, build and, if required, install both mechanical plants and PLC state-of-the-art advanced applied technology plants providing complete remote operational control and communication.

Field Service, Training and Technical Assistance

We provide technical assistance to help you evaluate system needs and define and refine specifications for your pipe-type cable system, as well as equipment design. We offer on-site operational training, classroom system and operational training…

Read More

Pipe-type Cable System Components and Splicing Accessories

We manufacture a complete array of high and extra-high voltage pipe-type cable joints and accessories, including joint casings, trifurcating terminations, splice kits, compression cable connectors, dry and oil impregnated…

Read More

Portable Pressurizing Plants

For emergency use in the event of a malfunctioning pumping plant, MAC portable pressurizing plants are designed for emergency use during the replacement of an existing or a malfunctioning pumping plant. They provide temporary…

Read More

Forced Cooling and Circulating Plants

MAC Forced Cooling Plants are designed to increase the carrying capacity of pipe-type cable feeders by cooling the dielectric fluid circulating through feeder cable pipelines. The cooling loop consists of the feeder, plant inlet and outlet pipelines…

Read More

Self-Contained Skid Units

MAC designs, builds and installs, pressurization and circulation “skid” units in which pumps, valves, piping and controls are all on a small self-contained frame and the only significant component not on the skid is the tank…

Read More

Pressurizing and Circulating Plants

MAC pressurizing/circulating plants are custom designed to meet your specifications,manufactured in our own facilities, and tested against the highest quality standards to meet the critical performance…

Read More
Electrified Transit

MAC Products is your source for mass transit power distribution accessories, components and systems. We offer a full line of products and services designed to meet the varied needs of transit systems operators, OEMs, repair shops and associated operations. We build electromechanical devices for rapid transit and locomotive propulsion systems.

OEM Electrical Components and Aftermarket Renewal Parts

We offer a full line of electromechanical component parts used in locomotive and transit car builder’s propulsion and electrical systems. Our products range includes bus bars, blowout coils, contact tips, contactors, armatures and cable harnesses…

Stinger Energy Delivery Systems

In response to safety issues related to both auxiliary and power stingers, over the years MAC has developed an Energy Delivery System (EDS), that uses current technology to promote safety, ease of operation and reliability. The MAC EDS…

Overhead Catenary Systems

MAC designs, manufactures and supplies OCS material and equipment for today’s light rail, tram, electric trolley bus, streetcar and commuter rail systems. We offer a complete solution for our customers, whether they be the installer…

Third Rail Connection Accessories

We are a leading designer and manufacturer of products that bring power to the rail but also insulate it as well. From rail and signal bonds, pothead assemblies, third rail connectors, and bracket covers to Wayside Power Centers…

Sectionalizing Switches - Manual and Motor Operated

MAC manufactures a wide variety of manually operated and motorized sectionalizing switches for various DC power applications. We manufacture both a bolted pressure design and knife-blade style for use on transit…

With a highly diverse and unique blend of modern manufacturing facilities, experienced and skilled engineers, technicians, and craftsmen utilizing advanced engineering and design software, advanced state-of-the-art CNC, and conventional equipment, MAC produces high quality custom products that meet the needs of demanding industries. Our capabilities range from simple mechanical parts to highly complex electro-mechanical assemblies.

Featured Projects

MAC's reputation for quality and on-time project performance is unsurpassed in the industries that we serve. We design, build and install pumping and circulating plants for electric utilities. We design and manufacture custom DC Switchgear and Distribution Equipment for rapid transit and light rail systems.