Graybar, St. Louis, MO, distributor of electrical and communications products, has opened a 10,000-square-foot distribution facility in Collinsville, IL.   ; With the addition of this facility, the company now has 12 locations throughout Missouri and Illinois, including regional distribution centers in Joliet, IL, and Springfield, MO.  ;   ; The branch inventory is backed by a $4.5 million inventory in the St. Louis distribution center and a $10 million inventory in the Springfield, MO, regional distribution center.  ; Graybar Collinsville features a counter operation and one-hour will-call service.   ;   ;   ; Graybar has more than 250 North American distribution facilities with around $5 billion in annual sales.