It’s not just about what we can do,
it’s about what we can do for you


Power & Utility

Powering and maintaining infrastructures through development of specialized equipment, low customer impact and efficient crews has elevated MZI to an industry leader in utility management.

Through a partnership with ComEd, MZI spearheaded smart meter installation and manhole cover refurbishment throughout Chicago. Creating energy efficiencies and optimizing voltage technology creates savings for consumers and businesses and makes future repairs safer for workers.

  • Turn-key substation construction through 500 kV
  • High voltage cable installation, splicing and termination
  • Installation and commissioning of transformers and switchgear
  • SCADA installation
  • Substation testing, commissioning and maintenance
  • Project and construction management
  • Preventative maintenance
  • Infrared scanning
  • Arc flash studies
  • Security Fencing
  • Substation drilling
  • High Rise Networks

Drilling Services:

  • Design Build
  • Substations
  • Transmission Lines
  • Bridges
  • Buildings
  • Marine Operations
  • Lift Stations


Assessed and refurbished over 6, 200 manholes in Illinois as a part of the grid modernization program (Energy Infrastructure Management Act) improving the safety and reliability of the electric grid, shortening power outages for families and businesses and ensuring the safety of future workers


Waukegan Substation

Constructed a new 345 GIS (SF6 Gas Insulated Switchgear) and above grade electrical construction for the new 138-kV switchyard adjacent to the GIS substation which greatly increased reliability of electricity delivery

Kice Substation - Washington, IL