J. Crew

they design ships on paper in ship wrights and then gathered the crew and built it

Homemade crew neck sweaters are sold by various online companies that provide their services. CustomInk is an example of one of these companies, who take your design or one of their designs for use on sweaters.

First you have the crew manager which is either the owner of the company or someone assigned to overlook the whole crew and productions. After them you would branch off into building managers, materials managers, design managers, there are a lot of opportunities for management in construction.

The noun 'crew' is a collective noun for:

a crew of barbers

a crew of laborers

a crew of pilots

a crew of rowers

a crew of sailors

a crew of firemen or rescue workers.