E-Commerce: A Systems Overview

Venda: a "visionary" in Gartner's Magic Quadrant, users include Crabtree & Evelyn, the British Museum, Laura Ashley, Panasonic, Sharp and Urban Outfitters.

Niche Players
While smaller companies are in this group, there are also very large ones that are only niche in that their users don't represent the same substantial base of large e-commerce websites as "enterprise" vendors.