| English Station Power Plant | New Haven | CT |
| Esb | Fairfield | CT |
| Eveready Machinery | Derby | CT |
| Excelsior Needle | Torrington | CT |
| Fafnir Bearing | New Britain | CT |
| Fairchild & Shelton | Bridgeport | CT |
| Fairfield Processing | Danbury | CT |
| Fairfield State Hospital | Newtown | CT |
| Fall | Norwich | CT |
| Falls | Norwich | CT |
| Farmington Woods Condominiums | Avon | CT |
| Farnsworth Pinney | Central Village | CT |
| Farrel | Ansonia | CT |
| Farrell Birmingham | Ansonia | CT |
| Farrell Machine | Derby | CT |
| Fbm Squadron Admin Building | Groton | CT |
| Federal Court House Building | Bridgeport | CT |
| Federal Office Building | Hartford | CT |
| Federal Office Building | Bridgeport | CT |
| Federal Paper Board | Montville | CT |
| Federal Paper Board | Versailles | CT |
| Federal Paper Board | Norwich | CT |
| Fire Brick Construction | Bridgeport | CT |
| First Congregational Church | Branford | CT |
| First National Bank | Hartford | CT |
| First National Bank | New Haven | CT |
| Fitzgerald Gasket | Torrington | CT |
| Fitzgerald Manufacturing | Torrington | CT |
| F.M.R. | West Haven | CT |
| Fred Wish Elementary School | Hartford | CT |
| Fuller Brush | Hartford | CT |
| Fuller Merriam | West Haven | CT |
| Fusco | New Haven | CT |
| F.W. Carroll | Fairfield | CT |
| Gaffney School | East Hartford | CT |
| Gam-Beck Building | Hartford | CT |
| Gardiner Hall Jr. | South Willington | CT |
| Gas Equipment Engineering | Milford | CT |
| Gedney Electric | Terryville | CT |
| General Dynamics | Mystic | CT |
| General Dynamics | East Hartford | CT |
| General Dynamics | New Haven | CT |
| General Dynamics | Groton | CT |
| General Electric | Fairfield | CT |
| General Electric | Plainville | CT |
| General Electric | New Haven | CT |
| General Electric | Bridgeport | CT |
| General Electric | New London | CT |
| General Insulation Distributors | Waterbury | CT |
| General Motors | Bristol | CT |
