ProsperWorks is a company that is in the CRM (Customer Relationship Management) space. They just announced on their blog that they have now rebranded to Copper.com.
Copper.com was previously being used by Iglou Internet Services, under the name Copper Electronics. You can see a snapshot of the old website here.
No mention how much they paid for the domain which was registered in 1994.
Tip of the cap to George Kirikos