According to the ATF database, there are 7 registered FFLs in Ottawa, Illinois.
1254 N 2803RD ROADOTTAWA, IL, 61350
1656 E US HIGHWAY 52OTTAWA, IL, 61350
2825 TURNBERRY DROTTAWA, IL, 61350
3176 EAST 1969TH RDOTTAWA, IL, 61350
927 FOSSE ROADOTTAWA, IL, 61350
421 E STEVENSON RDOTTAWA, IL, 61350
4041 VETERANS DRIVEOTTAWA, IL, 61350