Answer:

erectors

AnswerCrossword Clue
ERECTORSBuilders
ERECTORSSome spinal muscles
ERECTORSConstructors
ERECTORSConstruction crew
ERECTORSAssemblymen?
ERECTORSSome hardhats
ERECTORSDerricks.
ERECTORSBuilders.
ERECTORSConstruction men.
ERECTORSThey put up
ERECTORSSkyscraper construction crew, essentially
ERECTORSConstruction crew, essentially