There are two different ways of choosing your domain name. Either pick your company's name or a specific keyword or phrase you want to target for search engines. Search engines put a lot of weight on the domain name when ranking results. However, using a domain name with keywords in it might not be conducive to your current or potential customers remembering the domain name when trying to get more information about your business. The choice is up to you, but remember your domain name is very important so choose wisely.
Here is a video from a google employee on keyword rich domains vs brandable domains: