Hours Of Operations Grainger Wisconsin Janesville 53546 Grainger Hours of Operation and Location in Janesville, WI 53546 4.8 - 188 votes 3620 Randolph Rd, Janesville, WI 53546 (608) 563-4588 Get Directions Grainger Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore JanesvilleView More Apparel Sam's ClubTJ MaxxBig LotsDeb ShopsH & M Sports TargetVansTilly'sZumiezJazzercise Jewelry Sam's ClubHobby LobbyDeb ShopsZalesKohl's Outlet Recommend For You Cosmo Prof ADT J. C. Penney American TV & Appliance Bogner Chem-Dry Crossfit Deb Goodwill I wireless