We sell a room and services reservation software, and have set it up so you can order lunch and have it delivered to the office, from a windows desktop client,

We sell a room and services reservation software, and have set it up so you can order lunch and have it delivered to the office, from a windows desktop client, from a browser, from outlook or from a mobile app. Billing happens automatically through the integrated contracts and billing system. It's somewhat overkill, but we consider it a form of dogfooding. The company is mcs.fm