Each year, Fortune magazine comes out with its list of “The 100 Best Companies to Work For” which is always a popular feature for its readers. IT companies are well-represented on the list. The list has become a major resource for job seekers and new college graduates. In fact, IT companies in general usually have reputations as being desirable places to work and develop careers.

In this post, you will find top 15 IT-related companies on the list. They include four in the top 10: No. 1, SAS; No. 4, Google; No. 5, NetApp; and No. 10, DreamWorks Animation.

Employees described the companies here as offering such attractive features as generous paychecks, worthwhile perks (such as free child-care services, workout spaces and good cafeterias) and pleasant work environments. They also have another feature that is essential to job seekers: These companies are growing, and they have open positions to fill. So if you’re among the many these days looking for a new job in the IT industry, these are the top prospects to check out now.

<li> No. 20: Cisco Systems

Enterprise IT networking and data-center-infrastructure developer. Headquarters: San Jose, Calif.; 2009 revenue: $36.1 billion; Employees: 36,612; Website: www.cisco.com No. 33: Qualcomm Wireless device and software maker. Headquarters: San Diego, Calif.; 2009 revenue: $11 billion; Employees: 12,520; Website: www.qualcomm.com No. 44: Intuit Business-productivity software maker. Headquarters: Mountain View, Calif.; 2009 revenue: $3.4 billion; Employees: 6,575; Website: www.intuit.com No. 51: Intel World’s largest microprocessor maker. Headquarters: Santa Clara, Calif.; 2009 revenue: $35.1 billion; Employees: 42,694; Website: www.intel.com No. 52: Salesforce.com Cloud-based sales software provider. Headquarters: San Francisco; 2009 revenue: $1.3 billion; Employees: 2,725. Website: www.salesforce.com No. 65: Adobe Systems Cloud-based sales software provider. Headquarters: San Francisco; 2009 revenue: $1.3 billion; Employees: 2,725. Website: www.salesforce.com No. 72: Microsoft Consumer and enterprise software maker. Headquarters: Redmond, Wash.; 2009 revenue $60.4 billion; Employees: 53,410; Website: www.microsoft.com No. 79: National Instruments Makes software for engineers and scientists to design, prototype and deploy systems for measurement, automation and embedded applications. Headquarters: Austin, Texas; 2009 revenue: $677 million; Employees: 2545; Website: www.ni.com No. 89: Brocade Communications Enterprise IT networking hardware and software provider. Headquarters: San Jose, Calif.; 2009 revenue: $2 billion; Employees: 3,112; Website: www.brocade.com No. 92: Rackspace Hosting Enteprise IT hosting and cloud-services provider. Headquarters: San Antonio, Texas; 2009 revenue: $629 million; Employees: 2,405; Website: www.rackspace.com No. 99: Accenture Enterprise IT consultancy and solutions integrator. Headquarters: New York City; 2009 revenue: $21.6 billion; Employees: 31,000; Website: www.accenture.com