Do Directory Mini Sites / Domains Still Work with Modern Search Engines

I often ponder setting up category killer directory sites, I have so may domains in health, fitness, business and technology..many of which are keyword-type domain names like (ClevelandTechnology.com, ScottsdaleContractor.com, iBuyer.properties, etc) over 300 plus some good brandable names.

I always think about creating directories out of these domains but why when the mega directories like Yelp and Angieslist are all I see. I know the owner of this website did one for limo services many...

Do Directory Mini Sites / Domains Still Work with Modern Search Engines

from Do Directory Mini Sites / Domains Still Work with Modern Search Engines