Hours Of Operations Catalyst Communications Maryland Ellicott City Catalyst Communications Hours of Operation and Locations in Ellicott City, MD 4.6 - 99 votes 1 Locations in Ellicott City www.catacom.com Catalyst Communications Hours Category: Electronics Catalyst Communications - Ellicott City, MD 21043 8358 Main St, #2(410) 465-7507 View Store Details Explore Ellicott CityView More Apparel H & MCarter'sKohl's OutletFoot LockerOld Navy Sports TargetVansColemanBowlers Discount Pro ShopOnce Upon A Child Jewelry Kohl's OutletAvon Recommend For You Max Pc Tech Central Applied Technology Group Computer Gurus Petroleum Experts Incorporated Computer Den Mr Computer Ace Data Recovery Effective Communications Xpress Computer Repairs