| SCIENTIFIC RESEARCH ASSOCIATES, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Jul 22, 1976 | Dissolved |
| STATE-WIDE ELECTRIC, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Feb 4, 1972 | Active |
| THE S/L/A/M COLLABORATIVE, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Nov 10, 1976 | Active |
| SUGAR HILL BUILDERS, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Aug 21, 1973 | Dissolved |
| TOWNE HOMES, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Jul 22, 1959 | Dissolved |
| TURNER LANDSCAPE CONTRACTING CO.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Mar 28, 1966 | Dissolved |
| UNITED EXPRESS SERVICE, INC.Glastonbury, CT · Converted Out | Glastonbury, CT | Corporation | Aug 18, 1972 | Converted Out |
| RIVERMEAD, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Jan 2, 1947 | Dissolved |
| WALKER PRODUCTS, INCORPORATEDGlastonbury, CT · Active | Glastonbury, CT | Corporation | Jan 26, 1977 | Active |
| PINE BROOK CLUB, INCORPORATEDGlastonbury, CT · Active | Glastonbury, CT | Corporation | Oct 8, 1969 | Active |
| GLASTONBURY POLICE OFFICERS ASSOCIATION INCORPORATEDGlastonbury, CT · Active | Glastonbury, CT | Corporation | Jun 20, 1955 | Active |
| BUCKINGHAM COOPERATIVE NURSERY SCHOOL, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Oct 29, 1975 | Dissolved |
| BUCKINGHAM VOLUNTEER FIRE DEPARTMENT, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | May 17, 1971 | Active |
| CHESTNUT HILL HEIGHTS ASSOCIATION, INCORPORATED THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | May 15, 1950 | Active |
| CONNECTICUT FLY FISHERMAN'S ASSOCIATION, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jun 16, 1969 | Active |
| CONNECTICUT SOCIETY OF CERTIFIED PUBLIC ACCOUNTANTS INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Mar 13, 1909 | Active |
| CONNECTICUT VALLEY FLYERS, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Sep 8, 1966 | Active |
| DIAMOND LAKE PROPERTY OWNERS ASSOCIATION, INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Oct 23, 1941 | Active |
| THE EAST GLASTONBURY PUBLIC LIBRARY ASSOCIATION INCORPORATEDGlastonbury, CT · Active | Glastonbury, CT | Corporation | Sep 19, 1960 | Active |
| EAST LYME LAND TRUST, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Dec 6, 1971 | Active |
| EXCHANGE CLUB OF GLASTONBURY, CONNECTICUT, INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Nov 4, 1949 | Active |
| GREATER HARTFORD AQUARIUM SOCIETY, INC., THEGlastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Mar 18, 1953 | Dissolved |
| FISH OF GLASTONBURY, INC., THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Jun 14, 1971 | Active |
| FOREST RIDGE CONDOMINIUM ASSOCIATION, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Apr 8, 1976 | Active |
| 43RD AVIATION FLYING CLUB, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jan 22, 1963 | Active |
| FRIENDS OF GLASTONBURY YOUTH, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jul 16, 1976 | Active |
| FRIENDS OF THE WELLES-TURNER MEMORIAL LIBRARY, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Apr 27, 1973 | Active |
| HARTFORD ORTHOPAEDIC, PLASTIC & HAND SURGEONS, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jul 3, 1969 | Active |
| CALVIN K, KAZANJIAN ECONOMICS, FOUNDATION, INCORPORATED THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Apr 23, 1947 | Active |
| GLASTONBURY ROTARY CLUB SCHOLARSHIP FUND, INC.Glastonbury, CT · Forfeited | Glastonbury, CT | Corporation | Feb 26, 1965 | Forfeited |
| CAPITAL CITY EDUCATION ALLIANCE, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jan 25, 1972 | Active |
| WILLIAM AND ELLEN E. MACRISTY FOUNDATION, INC., THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Sep 17, 1959 | Active |
| GLASTONBURY ABC, INC., THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Mar 27, 1974 | Active |
| GLASTONBURY ARTS, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jun 21, 1962 | Active |
| GLASTONBURY CENTER CHAPTER #2010 OF AARP, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Feb 26, 1975 | Dissolved |
| CONNECTICUT RIVER VALLEY CHAMBER OF COMMERCE, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Jan 26, 1956 | Active |
| THE GLASTONBURY JUNIOR WOMEN'S CLUB, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Nov 29, 1962 | Active |
| GLASTONBURY LITTLE LEAGUE, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Aug 4, 1964 | Active |
| GLASTONBURY SPORTSMAN'S ASSOCIATION, INCORPORATED.Glastionbury, CT · Active | Glastionbury, CT | Corporation | Nov 18, 1953 | Active |
| GLASTONBURY VISITING NURSES ASSOCIATION, INCORPORATEDGlastonbury, CT · Merged | Glastonbury, CT | Corporation | Feb 24, 1919 | Merged |
| GLEN LOCHEN OFFICE CONDOMINIUM ASSOCIATION, INC.Glastonbury, CT · Forfeited | Glastonbury, CT | Corporation | Jun 27, 1975 | Forfeited |
| HARTFORD COUNTY FUNERAL DIRECTORS' ASSOCIATION, INC., THEGlastonbury, CT · Forfeited | Glastonbury, CT | Corporation | Jan 23, 1963 | Forfeited |
| HISTORICAL SOCIETY OF GLASTONBURY, INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Apr 21, 1938 | Active |
| HUNDRED CLUB OF CONNECTICUT, INC. THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Aug 18, 1967 | Active |
| 3030 PARK HEALTH CENTER, INC.Glastonbury, CT · Dissolved | Glastonbury, CT | Corporation | Nov 8, 1960 | Dissolved |
| IRISH-AMERICAN HOME SOCIETY, INCORPORATED THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Feb 17, 1947 | Active |
| JAMES MCMANUS FUND OF THE HARTFORD DENTAL SOCIETY, INCORPORATED, THEGlastonbury, CT · Forfeited | Glastonbury, CT | Corporation | Nov 14, 1963 | Forfeited |
| JOHN TOM HILL COMMUNITY CLUB, INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | May 19, 1949 | Active |
| LAKE HILLS ASSOCIATION, INCORPORATED, THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Aug 20, 1951 | Active |
| LIEUTENANT CALDWELL COLT ROBINSON POST #254, D.S.C.-N.C., V.F.W., INCORPORATED THEGlastonbury, CT · Active | Glastonbury, CT | Corporation | Sep 20, 1934 | Active |