Three I Engineering can provide power and lighting system designs for various types of buildings. These include warehouses, factories, commercial building, etc. These designs include lighting based on levels and types as recommended by the Illuminating Engineering Society. The power distribution and branch circuit wiring is based on good electrical engineering practice with the National Electrical Code as a minimum.

Medical Office Building
St. Mary's Medical Corp.
Evansville, Indiana
This project included the plans and specifications for a multi-story medical office building. This project was handled by Three I from concept to punch list.

Multi-Purpose Building                                              Branchville Correctional Institution
Perry County, Indiana
This project included the complete electrical, lighting, sound, and fire alarm system for a minimum security prison.