| University Of Connecticut | Storrs | CT |
| University Of Connecticut Medical Center | Farmington | CT |
| University Of Hartford | West Hartford | CT |
| University Of Hartford | Hartford | CT |
| University Security | Bridgeport | CT |
| U. O. P. | Darien | CT |
| Upjohn | North Haven | CT |
| Upjohn | New Haven | CT |
| U.S. Steel | New Haven | CT |
| VA Hospital | West Haven | CT |
| Valve Company Of America | Bridgeport | CT |
| Vanderbilt Chemical | Bethel | CT |
| Walken | New Haven | CT |
| Wallace & Sons | Ansonia | CT |
| Wallingford Jr High School | Wallingford | CT |
| Wallingford Manufacturing | Wallingford | CT |
| Wallingford Steel | Wallingford | CT |
| Warnaco | Bridgeport | CT |
| Warner Brothers | Bridgeport | CT |
| Warren Gottier Plumbing | Rockville | CT |
| Warren Woolen | Stafford Springs | CT |
| Waterbury Brass | Waterbury | CT |
| Waterbury Clock | Waterbury | CT |
| Waterbury Gas Light | Waterbury | CT |
| Waterbury Hospital | Waterbury | CT |
| Water Pollution Control Facility | Stratford | CT |
| Watertown Manufacturing | Watertown | CT |
| Weble Brewing | West Haven | CT |
| Weibel Brewing | New Haven | CT |
| Wesleyan Science Building | Middletown | CT |
| Wesleyan University | Middletown | CT |
| Westfarms Mall | West Hartford | CT |
| Westinghouse Electric & Manufacturing | Hartford | CT |
| Westinghouse Electric & Manufacturing | Windsor | CT |
| Westinghouse Electric & Manufacturing | Bridgeport | CT |
| Westport Sanitarium | Westport | CT |
| Wheeler & Wilson Manufacturing | Bridgeport | CT |
| White Manufacturing | Rockville | CT |
| Whitfield Laboratories | Bethel | CT |
| Whiting | Bridgeport | CT |
| Whiton Machine | New London | CT |
| Wilcox Crittenden Div | Middletown | CT |
| Wilcox Crittonden Div | Middletown | CT |
| Willgoos Laboratory | East Hartford | CT |
| William Bresdan | New Haven | CT |
| William R. Cotter Federal Office Building | Hartford | CT |
| Willimantic Gas & Electric Light | Willimantic | CT |
| Willimantic Linen | Willimantic | CT |
| Winchester Firearms | New Haven | CT |
| Winchester Repeating Arms | New Haven | CT |
