- Dec 1995, Human Dimensions
The company is founded by David A. Bethune in San José, California and named Human Dimensions. The initial goal is to develop mid-market websites with high-end functionality and visual appeal. To do this, the company must create a new approach to site development which is more efficient than its competitors' methods. Early marketing materials use the slogan, Because Machines Were Made for People.
 - Feb 1996, HD Trellis
Realizing that most sites have different designs but common functionality, work begins on the Trellis content delivery system, then named HD Trellis. The purpose of the system is to reduce the time needed to create and maintain customer websites so that more effort can go into quality interface design.
 - May 1996, Trellis SQL
HD develops its first web application to incorporate a live SQL database, personalized pages, and a searchable product catalog which can be updated from a web-based interface. Trellis tools are extended to include SQL capabilities.
- Nov 1996, Real-Time SQL Generator
The company's first legacy (SQL) database application connects a client's proprietary remote database to a public web interface. The Trellis platform adds real-time SQL generation, allowing infinite flexibility in screen design and unrestricted user queries.
- Jan 1998, HD Express
Building on the success of the Trellis platform, the company offers a low-cost version of its site-building technology, then named HD Express. The software is aimed at businesses with 1-5 employees who need a smaller, simpler website.
 - Mar 1998, HD LiveCart
HD develops a set of reusable components for secure shopping, payment, and order confirmation. The company launches its first e-commerce site with an integrated shopping cart, then named HD LiveCart.
- Oct 2000, Exprion Corporation
Human Dimensions incorporates as Exprion Corporation. The Human Dimensions name is initially retained for the company's website development services.
 - Feb 2001, Trellis XML
Trellis commits to a pure-XML approach to web application development and begins converting existing customers to the new Trellis XML platform.
 - June 2001, Scalable Vector Graphics
The company begins development of its first web application created entirely with vector graphics, a key element of today's rich applications. The open Scalable Vector Graphics standard, new at the time, is selected as the basis for Mancala SVG, a visually rich two-player implementation of the 8,000-year-old African game.
- June 2001, Trellis Cart
The HD LiveCart components are converted to a vendor-neutral, XML-based format and renamed Trellis Cart. The new, secure e-commerce platform is deployed in a live customer application 30 days later.
 - August 2001, Trellis NET
Trellis moves development to a .NET web services-based architecture known as Trellis .NET. Unlike web pages, web services support many types of XML-based interactions between clients and servers. Web services significantly extend the Trellis platform and allow the company to create new types of dynamic user interfaces.
 - September 2001, Trellis CRM
Trellis launches its first public web application incorporating customer relationship management functions. CRM capabilities include personalization of the visitor user interface and call center management functions for employees.
 - May 2002, Sierra Red
Work begins on the Sierra Red technologies, a set of techniques for converting legacy data to XML and for creating dynamic user interfaces from this data. A year later, the company can add this significant advance in computational science to its roster of proprietary technologies.
 - January 2005, Trellis Corp.
The company name is changed to reflect the importance of its primary product, the Trellis platform begun in 1995. Exploratory work begins on a set of future enhancements to the system with the goal of even greater flexibility in customization and personalization of the user experience.
 - August 2007, Trellis Factory
The first application of Trellis Factory technology is delivered to a client. Factory represents the most advanced version of our technology to date. It enables complex, customized web applications with simple deployment and administration.
- November 2007, Trellis Builder
The second Factory application, known as Trellis Builder is released. Builder provides a low-cost entry point for web application development. Running entirely on the Trellis Factory platform, Builder websites are easy to deploy and maintain.
- March 2008, Trellis Factory Website
The shoemaker's children no longer go barefoot as Trellis upgrades its own website to Trellis Factory technology. That's this site you're reading now, in continuous operation on a Trellis platform since 1995.
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