The World’s Most Comprehensive Facility & Environmental Solutions Company - We Bring Answers. NorthStar is the only true national service provider in the industry. We have 36 offices in 21 states and complete thousands of projects each year. NorthStar has a full time workforce of 3,500 employees and during peak times of the year often employ upwards of 10,000 to meet the demanding schedules and requirements of our Customers or respond to natural disasters. We are your single source for Site Assessment, Remediation, Abatement, Demolition, Emergency and Disaster Response, Nuclear Decommissioning, Commercial and Industrial Facility Deconstruction, Water Resource Management and Site Preparation services.