They could do the same with prisons, which dot the predominantly Republican Central Valley from one end to the other, and which have no reason for being there except that real estate is relatively cheap and some towns in the region are under the illusion .... Gregg Industries, owned by Neenah Enterprises Inc., in Wisconsin, closed a 300-employee foundry in El Monte foundry under pressure from the South Coast Air Quality Management District to make $5 million in upgrades. ...