E First St, Oswego, City
- E First St George Broadwell Inc
- E First St G&S Broadwell Inc
- 1 E First St Oswego Port Authority
- 6 E First St Oswego County Ida
- 24 E First St Oswego County Ida
- 26 E First St Oswego County Ida
- 27 E First St Oswego County Ida
- 29 E First St Freight House Properties, Llc
- 31-35 E First St Freight House Properties, Llc
- 91 E First St 91 E First St Llc
- 92 E First St Oswego County Ida
- 100 E First St Community Bank N.A.
- 104 E First St Oswego, Llc, 120 E. First Street
- 115-123 E First St Pathfinder Bank
- 120 E First St Oswego, Llc, 120 E. First Street
- 125 E First St Port City Enterprises, Llc
- 127-129 E First St Port City Enterprises, Llc
- 133 E First St Shaw, Warren S
- 145 E First St Creative Dev Of Oswego Inc
- 150 E First St Oswego Community Housing
- 152 E First St City Of Oswego
- 154 E First St City Of Oswego
- 157 E First St Creative Dev Of Oswego Inc
- 181 E First St Erie Enterprises Llc
- 190 E First St Properties, Llc, Tnt Of Oswego
- 191 E First St Reitz, Laura
- 193 E First St Burger, Charles
- 195 E First St Burger, Charles
- 197 E First St Burger, Charles
- 199 E First St Sawyer, Cayleen J
- 200 E First St Fcpt Holdings Llc
- 209 E First St Gsap Llc
- 211 E First St Gsap Llc
- 213-221 E First St Gsap Llc
- 220 E First St Oswego County Ida
- 223 E First St James, Linda