In actuality, it means more jobs than that.
Besides the direct employees, you have people and other companies who will become suppliers of things like furniture, packaging, machinery and parts, delivery trucks, landscaping, snow plowing, lunches and watering holes for employees, homes, autos, and grocery stores for employees, etc.
So there is a ripple economic effect which goes along with a business like that. Everybody wins if the factory is here and a lot of people get a "piece" of it even if not full time employees. Otherwise, most of that other stuff is done overseas and the foreigners get the benefits.
All that is true. But the days of 4,000 men walking to a steel mill from nearby homes in a “company town” in Pennsylvania are over. 74 jobs and several hundred secondary jobs is probably the norm for an advanced operation like the one described in that article.