Hours Of Operations Grainger Wisconsin Janesville Grainger Hours of Operation and Locations in Janesville, WI 4.8 - 193 votes 2 Locations in Janesville grainger.com Grainger Hours Category: Home & Garden Grainger - Janesville, WI 53546 3620 Randolph Rd(608) 563-4588 View Store Details Grainger - Janesville, WI 53545 (608) 754-1806 View Store Details Explore JanesvilleView More Apparel Sam's ClubTJ MaxxBig LotsDeb ShopsH & M Sports TargetVansLidsDunham's SportsFinish Line Jewelry Sam's ClubHobby LobbyDeb ShopsZalesKohl's Outlet Recommend For You Movado Johnston & Murphy Casual Male XL Aubuchon Hardware Disney Store Cosmo Prof ADT Stacy Furniture Build-A Bear Workshop J. C. Penney