Internal "Intranet" sites coupled with web applications are often used to conduct the business of a company and are typically secure, password-protected portals. They encourage multi-locale teamwork.
This construction website was envisioned by a contractor who wanted to reduce the time it took to create a quote estimate. With the web application, a full day of work would take less than an hour.
The website is programmed in ColdFusion, and has a backend database to capture the quotes for permanent retrieval.