Coleorton Colliery Company

Owned by William Walker and William Worswick, it sank three collieries in the Leicestershire coalfield: Coleorton No. 1 (California) in 1849, Coleorton No. 2 (Califat) in 1854 on a lease Worswick had taken from Wyggeston Hospital in 1852, and Coleorton No. 3 (the Bug and Wink) at Coleorton.