Here are 5 emerging SaaS companies that you need to see at SIIA's On Demand Conference 2009 in San Jose on October 29-30th.

1.

Gist Inc. helps build strong relationships by connecting the inbox to the web to provide business-critical information about the people and companies that matter most.

Note Worthy:

• Sponsoring the Defrag Conference in Denver, CO November 11-12
• Open beta launch last month
• Backed by Vulcan Capital & Foundry Group

Predictive analytics and business process optimization solutions company. They wrap their professional services offerings (powered by statisticians, mathematicians and operations researchers) around Clario, our pioneering on-demand data manipulation and predictive analytics platform.

Note Worthy:

• Recent B2B article on the challenge of tracking data from multiple channels
• Quirky new ads 

While public and private cloud infrastructure may be top mind, the applications that sit in that cloud also need a revolutionary strategy. LongJump presents a streamlined approach to application development that leverages the shared power of a multi-tenant business platform to minimize time to market and manual effort.

Note Worthy:

• Named one of Gartner’s 2009 “Cool Vendor”
• Rated as one of the Top Cloud Computing acquisition targets by Datamation

4.

Widen helps marketing teams create, manage, and distribute images, video, and other creative files.  Widen positions the 62-year company history of a service-driven culture to help define the last "S" in SaaS for the marketplace. 

Note Worthy: 

• 2009 Winner in the THINKstrategies Best of Saas Showplace (BoSS) Awards program 
• CEO, Matthew Gonnering speaking on how Stats Make DAM Sense

 5.

Delivers Enterprise Cloud Storage with NAS features, enterprise-availability and guaranteed quality-of-service enabling enterprise IT users to immediately benefit from the economies of the cloud. Serving a broad range of customers and applications in manufacturing, education, media, finance and technology, Zetta’s On-Demand NAS allows businesses to quickly adopt storage-as-a-service without expensive or risky changes to information technology environments.

Note Worthy: 

• Partnered with Sigma Partners & Foundation Capital 
• Won first place for storage infrastructure at Under the Radar 2009, and in July was named to the AlwaysOn Global 250