- Abington (6 Companies)
- Amston (51 Companies)
- Andover (85 Companies)
- Ansonia (760 Companies)
- Ashford (117 Companies)
- Avon (1,540 Companies)
- Ballouville (1 Company)
- Baltic (82 Companies)
- Bantam (174 Companies)
- Barkhamsted (121 Companies)
- Beacon Falls (189 Companies)
- Berlin (1,546 Companies)
- Bethany (215 Companies)
- Bethel (1,101 Companies)
- Bethlehem (168 Companies)
- Bloomfield (1,714 Companies)
- Bolton (174 Companies)
- Botsford (2 Companies)
- Bozrah (146 Companies)
- Branford (2,274 Companies)
- Bridgeport (6,277 Companies)
- Bridgewater (51 Companies)
- Bristol (3,222 Companies)
- Broad Brook (155 Companies)
- Brookfield (1,348 Companies)
- Brooklyn (273 Companies)
- Burlington (256 Companies)
- Canaan (333 Companies)
- Canterbury (144 Companies)
- Canton (779 Companies)
- Canton Center (2 Companies)
- Centerbrook (142 Companies)
- Central Village (34 Companies)
- Chaplin (77 Companies)
- Cheshire (1,452 Companies)
- Chester (268 Companies)
- Clinton (879 Companies)
- Cobalt (6 Companies)
- Colchester (731 Companies)
- Colebrook (54 Companies)
- Collinsville (22 Companies)
- Columbia (171 Companies)
- Cornwall (11 Companies)
- Cornwall Bridge (109 Companies)
- Cos Cob (471 Companies)
- Coventry (302 Companies)
- Cromwell (880 Companies)
- Danbury (5,859 Companies)
- Danielson (512 Companies)
- Darien (1,277 Companies)
- Dayville (310 Companies)
- Deep River (276 Companies)
- Derby (646 Companies)
- Durham (352 Companies)
- East Berlin (117 Companies)
- East Canaan (34 Companies)
- East Glastonbury (2 Companies)
- East Granby (334 Companies)
- East Haddam (170 Companies)
- East Hampton (437 Companies)
- East Hartford (2,626 Companies)
- East Hartland (40 Companies)
- East Haven (1,138 Companies)
- East Killingly (6 Companies)
- East Lyme (365 Companies)
- East Windsor (633 Companies)
- East Windsor Hill (2 Companies)
- East Woodstock (5 Companies)
- Eastford (50 Companies)
- Easton (179 Companies)
- Ellington (488 Companies)
- Enfield (1,952 Companies)
- Essex (592 Companies)
- Fairfield (3,508 Companies)
- Falls Village (80 Companies)
- Farfield (1 Company)
- Farmington (2,719 Companies)
- Franklin (2 Companies)
- Gales Ferry (231 Companies)
- Gaylordsville (50 Companies)
- Georgetown (4 Companies)
- Gilman (6 Companies)
- Glastonbury (2,356 Companies)
- Goshen (170 Companies)
- Granby (377 Companies)
- Greens Farms (2 Companies)
- Greenwich (4,188 Companies)
- Griswold (20 Companies)
- Grosvenor Dale (1 Company)
- Groton (1,463 Companies)
- Guilford (1,470 Companies)
- Haddam (131 Companies)
- Hadlyme (3 Companies)
- Hamden (3,214 Companies)
- Hampton (55 Companies)
- Hanover (2 Companies)
- Hartford (8,817 Companies)
- Harwinton (250 Companies)
- Hawleyville (5 Companies)
- Hebron (207 Companies)
- Higganum (151 Companies)
- Huntington (1 Company)
- Ivoryton (69 Companies)
- Jewett City (454 Companies)
- Kensington (24 Companies)
- Kent (277 Companies)
- Killingly (15 Companies)
- Killingworth (204 Companies)
- Lakeside (8 Companies)
- Lakeville (243 Companies)
- Lebanon (170 Companies)
- Ledyard (205 Companies)
- Lisbon (47 Companies)
- Litchfield (701 Companies)
- Lyme (10 Companies)
- Madison (1,134 Companies)
- Manchester (3,164 Companies)
- Mansfield (18 Companies)
- Mansfield Center (232 Companies)
- Marion (9 Companies)
- Marlborough (285 Companies)
- Mashantucket (88 Companies)
- Meriden (2,392 Companies)
- Middle Haddam (7 Companies)
- Middlebury (540 Companies)
- Middlefield (209 Companies)
- Middletown (2,677 Companies)
- Milford (3,801 Companies)
- Milldale (33 Companies)
- Monroe (1,018 Companies)
- Montville (9 Companies)
- Moodus (111 Companies)
- Moosup (158 Companies)
- Morris (127 Companies)
- Mystic (1,105 Companies)
- N Stonington (1 Company)
- Naugatuck (1,104 Companies)
- New Britain (3,606 Companies)
- New Canaan (1,378 Companies)
- New Fairfield (284 Companies)
- New Hartford (325 Companies)
- New Haven (7,281 Companies)
- New London (1,970 Companies)
- New Milford (1,733 Companies)
- New Preston (5 Companies)
- New Preston Marble Dale (136 Companies)
- Newington (1,776 Companies)
- Newtown (936 Companies)
- Niantic (553 Companies)
- Norfolk (120 Companies)
