Wheal Jane is home to a host of companies offering a wealth of expertise in mining, minerals processing, civil engineering and environment and property services to global organisations and local customers alike. We are rightly proud of the fact that over 100 people come to work every day at Wheal Jane, all of them working in mining, minerals, environment and engineering. Mine Water Treatment Project with the Environment Agency and United Utilities. Carnon Contracting civil engineering and mine related works. Crofty Consultants Geo-Environmental and Geo-Technical Engineers plus Mundic Block analysis and mine searches. Analytical Laboratory working for mining Companies worldwide. Small cottage industry making tin jewellery.