Asset Tracking System

Can any one recommend a company, or program that can provide an "Asset Management System" to help automate the storage of asset tracking information and ease of discovery of the assets, as well as the ability to furnish reports to the accounting areas within the company. services would include:

Ability to scan assets when they arrive as new stockform vendors.
Ability to scan assets when they are moved from "stock" shelf, built for a user and deployed.
Ability to add custom fields and to modify searches within the database
Ability to search for common accounting related terms.
Ability to generate custom reports for asset management and other accounting needs.