WEM Automation LLC is a worldwide provider of superior controls and plant automation with unparalleled experience in the asphalt industry. In addition to engineering the most technologically advanced automation, WEM is well known for the best service in the industry, 24/7.

These factors have enabled WEM to consistently provide increased efficiency, productivity, and profit for asphalt companies around the globe.

WEM provides advanced yet easy to use systems for batch plants, drum plants, silo loadout, full plant control and data management. WEM also offers complete control houses and motor control centers.

All systems include the use of locally available parts for maximum uptime including Allen-Bradley PLCs and Dell PCs. On-line access insures rapid response in the event help is needed.


The WEM4000 Pro Series control system meets the needs of the most demanding customers. Unsurpassed communications to your order entry and business systems is just the start of the leading PC/PLC based asphalt control system. Based on Windows technology the WEM4000 is the most easily operated control available today.