 The Company is also recognized by the Wildlife Habitat Council for outstanding environmental stewardship and employee volunteerism with the Corporate Habitat of the Year award, and Community Partner of the Year and Signatures of Sustainability awards.Unimin Corporation is certified as a sustainable company by the Global Reporting Initiative (GRI).The GRI establishes standardized guidelines and certifies responsible business and operating practices in the four major areas of sustainability; Economic, Environmental, Social and Governance.