 Though Mitchell 1 started out as a provider of technical information in printed manuals to the professional technician, it has grown over the years to become a "fully integrated software service provider".Mitchell 1 is headquartered in Poway, California and its ownership is currently held by Snap-on Tools, Inc. (85%) and NAPA (15%).Mitchell 1's roots go back to 1918 with the first edition of the Reed Electrical Manual of Starting, Lighting, Ignition published by Service Engineering Company.