Matrix Design Group

Matrix is an ISO 9001 certified designer, developer and marketer of safety and productivity technology for use in mining and industrial applications. Its innovative, industry-leading systems include proximity detection, communications, tracking, mine atmospheric monitoring, lighting, and cameras. Headquartered in Newburgh, Indiana, Matrix has offices in Lexington, KY, Johannesburg, South Africa and service locations throughout its mining regions. Matrix is a subsidiary of Alliance Resource Partners, L.P. (NASDAQ: ARLP).