Construction & Mining Service Inc

Coeur d'Alene Mines Corporation is one of the world s largest primary silver producers, as well as a growing gold producer. In 2004, the company produced 14.1 million ounces of silver and 129,000 ounces of gold. Coeur s properties include two of the largest silver mines in the United States, two expanding mines in southern Chile and Argentina, and two major development projects in Bolivia and Alaska. In addition, the company also owns large land positions around its two South American mines, where major exploration is ongoing in 2005. Coeur common shares are traded on the New York Stock Exchange under the symbol CDE and the Toronto Stock Exchange under the symbol CDM.

Rio Tinto operates US Borax, California s largest open pit mine in Boron, Calif., one of the richest borate deposits on the planet. The company supplies nearly half the world s demand for refined borates, minerals essential to life and modern living. Borax traces its roots to California s Death Valley, where borate deposits were discovered in 1872. The 20-mule teams Borax used to haul ore out of the remote desert live on as a symbol of the company s commitment to innovation. Borax, a member of the Rio Tinto group, is acknowledged as a world leader in borate technology, research and development.

Wight & Co., located in Darien, Ill., offers solutions in the fields of architecture, civil engineering, construction, environmental, sustainable design and technology. The company s land surveyors are trained in horizontal and vertical location and the legal issues regarding property rights. Its engineering division has links with many states, counties, townships, education and private sector clients. The company s construction division has been providing designing and building services, construction management, facilities assessments, and program and project management. It also provides professional environmental consulting and engineering services in the areas of hazardous materials, regulatory compliance, and workplace health and safety.