Neptune Distribution was a comic distribution company established in Leicester in 1986. It was set up to challenge Titan Distribution's monopoly on the UK comic distribution business.
The proved to be successful with the company expanding into publishing in 1988 with Trident Comics and later help found Apocalypse Ltd, publishing Toxic!, a weekly title meant to compete with 2000 AD.
However the company expanded too quickly and financial problems meant the distribution side of the company was sold to Diamond Comic Distributors in 1992.
References
Neptune Distribution Wikipedia(Text) CC BY-SA