An initial office buildout can cost in the tens of millions of dollars and takes the work of a major contractor to bring a vision to reality. But what happens when it’s time to add to the building or update the workspace? When there are projects ranging from a $25,000 reception desk to a full interior renovation or addition costing $5 million or less, that’s usually when one starts thinking about seeking bids from small contractors, but that's not always the strongest option. While many major…