Seek the people you wish to find so that you may work with them.
In the standard view of the address book window click on the find button, or press command (mac) control (windows) - F to enter a search query that will look at the company and contact fields only.
To search an all the fields of a contact card to find a contact click on the Expanded View button in the address book and then click the Advance Find button or press command (mac) control (windows) - F to enter a search query that will look at all the fields of the contact card.
To sort the active list of contacts click on the underlined column headings and then choose your listing preference from the pop up window.