Excellent durability, quality, and reliability since 1975, MDI Inc. offers a range of manufacturing products and is a leader in both relay and float switches. In addition, their vast array of great products covers your every need in the electrical and wastewater industries.
Excellent durability, quality, and reliability since 1975, MDI Inc. offers a range of manufacturing products and is a leader in both relay and float switches. In addition, their vast array of great products covers your every need in the electrical and wastewater industries.
