Answer:

agencies

Answer	Crossword Clue
AGENCIES	Ad companies, e.g.
AGENCIES	Bureaus
AGENCIES	Madison Avenue companies

AGENCIES	Instrumentalities.
AGENCIES	Departments
AGENCIES	Madison Ave. sights
AGENCIES	Government groups
AGENCIES	News gatherers
AGENCIES	Model employers

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.