In the 1960's, the space industry developed in
florida, alabama, and texas
texas, oklahoma, and louisiana
nc, sc, and georgia
florida, louisiana, and georgia

Are you referring to on an international level or national? Internationally it developed in the Soviet Union and the United States, nationally it was based in Texas. 

In the 1960's the Space Industry developed in the Soviet Union. The United States had NASA headquarters in Washington D.C., and three inherited NACA research centers in Florida, Alabama, and Texas.