Parent company of Ultimate group dealing in solar EPC projects of all segments viz. Rooftop Solar Power projects (Off-Grid, Grid Tied and Hybrid) Ground Mounted Solar Projects (Rural Electrification, MW solar farms).

The core Business of the company is building infra, civil construction, Architectural services Interior designing services and execution. Millennium is working for construction of green Buildings and has already delivered multiple projects since 2010.

Kamsolar provides end-to-end consultancy in the area of energy efficiency, Green buildings, MW scale solar and wind power projects, Projects under social corporate responsibility etc.

Utrecht is a subsidiary company of Ultimate Sun Systems Pvt. Ltd. set up to develop solar parks and solar power plants. The company is currently setting up MW scale grid connected power plants in Haryana for sale of electricity to Haryana discom.