| WESTON GROUP, INC.Wilton, CT · Withdrawn | Wilton, CT | Corporation | Nov 20, 1970 | Withdrawn |
| WILLIAM SCHMID, JR., D.M.D., P.C.Wilton, CT · Dissolved | Wilton, CT | Corporation | Jun 4, 1973 | Dissolved |
| WILSON'S HARDWARE, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Jun 29, 1965 | Dissolved |
| WILTON BOOTERY, INCORPORATEDWilton, CT · Dissolved | Wilton, CT | Corporation | Oct 27, 1967 | Dissolved |
| WILTON ELECTRICAL SERVICES, INC.Wilton, CT · Active | Wilton, CT | Corporation | Oct 29, 1975 | Active |
| WILTON HOSPITAL FOR ANIMALS, P.C.Wilton, CT · Active | Wilton, CT | Corporation | Feb 15, 1973 | Active |
| YOUNGS NURSERIES INCORPORATEDWilton, CT · Dissolved | Wilton, CT | Corporation | Jan 13, 1944 | Dissolved |
| THE WILTON RIDING CLUB, INCORPORATEDWilton, CT · Active | Wilton, CT | Corporation | Dec 22, 1948 | Active |
| ANIMALS IN DISTRESS, INC.Wilton, CT · Active | Wilton, CT | Corporation | Jun 27, 1966 | Active |
| ARROWHEAD COMMUNITY ASSOCIATION, INCORPORATED, THEWilton, CT · Active | Wilton, CT | Corporation | Apr 10, 1956 | Active |
| CANNON GRANGE NUMBER 152, INCORPORATEDWilton, CT · Active | Wilton, CT | Corporation | Mar 4, 1933 | Active |
| CITIZENS FOR BALANCED ENVIRONMENT AND TRANSPORTATION, INC.Wilton, CT · Forfeited | Wilton, CT | Corporation | Oct 31, 1972 | Forfeited |
| CONNECTICUT STATE SENIORS GOLF ASSOCIATION, INCORPORATED THEWilton, CT · Active | Wilton, CT | Corporation | Dec 14, 1922 | Active |
| DRUM HILL CHAPTER NSDAR INCORPORATEDWilton, CT · Active | Wilton, CT | Corporation | Jul 28, 1976 | Active |
| SLEEP DISORDERS FOUNDATION, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Oct 25, 1972 | Dissolved |
| JAMES B. WHIPPLE POST 86 AMERICAN LEGION DEPARTMENT OF CONNECTICUT, INCORPORATED THEWilton, CT · Active | Wilton, CT | Corporation | Dec 14, 1938 | Active |
| KIWANIS CLUB OF WILTON, CONNECTICUT,INCORPORATEDWilton, CT · Active | Wilton, CT | Corporation | Jan 22, 1954 | Active |
| LAKE CLUB, INC., THEWilton, CT · Active | Wilton, CT | Corporation | Sep 25, 1958 | Active |
| LT. JOHN G. CORR MEMORIAL AWARD FUND, INC., THEWilton, CT · Active | Wilton, CT | Corporation | Mar 28, 1973 | Active |
| MEALS ON WHEELS OF WILTON, INC.Wilton, CT · Active | Wilton, CT | Corporation | Mar 8, 1977 | Active |
| GRUMMAN HILL MONTESSORI ASSOCIATION, INC. THEWilton, CT · Active | Wilton, CT | Corporation | Sep 27, 1966 | Active |
| OGDEN HOUSING, INC.Wilton, CT · Active | Wilton, CT | Corporation | May 4, 1976 | Active |
| POOTATUCK ARCHERS INCORPORATED, THEWilton, CT · Active | Wilton, CT | Corporation | May 26, 1959 | Active |
| ROLLING HILLS COUNTRY CLUB,INC.Wilton, CT · Active | Wilton, CT | Corporation | May 26, 1960 | Active |
| THE SAUGATUCK RIVER SAIL AND POWER SQUADRON, INCORPORATEDWilton, CT · Forfeited | Wilton, CT | Corporation | Oct 9, 1959 | Forfeited |
| SAUGATUCK VALLEY AUDUBON SOCIETY, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | May 26, 1970 | Dissolved |
| TROUPERS LIGHT OPERA COMPANY, INC.Wilton, CT · Active | Wilton, CT | Corporation | May 13, 1963 | Active |
| WILTON EPISCOPAL PRESBYTERIAN CORPORATIONWilton, CT · Active | Wilton, CT | Corporation | May 17, 1968 | Active |
| WILTON GARDEN CLUB INCORPORATED THEWilton, CT · Active | Wilton, CT | Corporation | Sep 11, 1953 | Active |
| WILTON STUDENT FINANCIAL AID COMMITTEE, INC.Wilton, CT · Forfeited | Wilton, CT | Corporation | Apr 20, 1960 | Forfeited |
| WILTON COMMUNITY ASSISTANCE FUND, INC.Wilton, CT · Active | Wilton, CT | Corporation | Nov 13, 1975 | Active |
| WILTON LIBRARY ASSOCIATION, INCORPORATEDWilton, CT · Active | Wilton, CT | Corporation | Nov 20, 1916 | Active |
| WILTON PLAYSHOP, INCORPORATED, THEWilton, CT · Active | Wilton, CT | Corporation | Aug 19, 1953 | Active |
| WILTON PLAZA, INC.Wilton, CT · Active | Wilton, CT | Corporation | Aug 23, 1976 | Active |
| WILTON POLICE BENEVOLENT ASSOCIATION, INC.Wilton, CT · Active | Wilton, CT | Corporation | Mar 17, 1966 | Active |
| WILTON YOUTH FOOTBALL, INC.Wilton, CT · Active | Wilton, CT | Corporation | Aug 11, 1972 | Active |
| WILTON SOCCER ASSOCIATION, INC.Wilton, CT · Active | Wilton, CT | Corporation | Oct 15, 1976 | Active |
| WILTON VOLUNTEER FIRE DEPARTMENT INCORPORATEDWilton, CT · Dissolved | Wilton, CT | Corporation | Dec 13, 1929 | Dissolved |
| THE RIVERBROOK REGIONAL YOUNG MEN'S CHRISTIAN ASSOCIATION, INC.Wilton, CT · Active | Wilton, CT | Corporation | Apr 10, 1969 | Active |
| WILTON WOMAN'S CLUB, INC.Wilton, CT · Active | Wilton, CT | Corporation | Dec 28, 1966 | Active |
| WOODCOCK NATURE CENTER, INC.Wilton, CT · Active | Wilton, CT | Corporation | Feb 14, 1972 | Active |
| ZION'S HILL PRESCHOOL PROGRAM, INC.Wilton, CT · Active | Wilton, CT | Corporation | Apr 6, 1973 | Active |
| FAMILY CENTER SERVICES, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Mar 29, 1976 | Dissolved |
| WORLD AFFAIRS FORUM, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Apr 22, 1946 | Dissolved |
| GEORGETOWN TRAVEL LTD., INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Nov 22, 1977 | Dissolved |
| WOOD BUILDERS, INC.Wilton, CT · Active | Wilton, CT | Corporation | Dec 5, 1977 | Active |
| FINE OIL & TRADING COMPANY, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Oct 18, 1976 | Dissolved |
| DR. KEVIN J. CRAW, VETERINARIAN, P.C.Wilton, CT · Dissolved | Wilton, CT | Corporation | Sep 22, 1977 | Dissolved |
| REALTY 7, INC.Wilton, CT · Dissolved | Wilton, CT | Corporation | Mar 3, 1978 | Dissolved |
| WILTON MEDICAL ASSOCIATES, P.C.Wilton, CT · Forfeited | Wilton, CT | Corporation | Nov 2, 1977 | Forfeited |