Top 10 rankings: No. 4 for benefits Because they work for a $10 billion provider of technology products and services, CDW IT staffers have access to the newest and best technology. Vernon Hills, Ill.-based CDW's 1,000-plus technology partners routinely share road maps and product updates with CDW IT teams to seek insights and learn about the latest innovations and best practices. Another nifty perk: Staffers are offered significant discounts on more than 100,000 technology products. CDW has a special bonus program called REACH that encourages peer-to-peer collaboration.