Products that are widely used from consumers to co...

Products that are widely used from consumers to corporate businesses are also good. Many consultants are excellent engineers, but since they are foreign-affiliated, consulting fees and engineer dispatch fees are more expensive than Japanese system integrators.
Consumer printers are rich in features and are excellent and cheap. HP-UX, an OS for enterprises, is robust and has a proven track record of introduction at large sites, but it is expensive.
The OpenView series is a solution package that has acquired products from various vendors, but the interfaces are not unified.