Nuprecon. Considered one of the largest companies in its industry, Nuprecon specializes in demolition services, including total building and targeted demolition, and plant dismantlement. Nuprecon also offers environmental remediation and abatement, construction-related debris and hazardous waste recycling, and concrete sawing and drilling. Serving various industries, the company's projects have included factories, office and retail buildings, hotels, hospitals, and government buildings. Nuprecon, which is majority-owned by private equity firm Evergreen Pacific Partners, merged with competitor CST Environmental in 2008.