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| Company | Location | County | Certifications | License # |
|---|---|---|---|---|
| Gabriel J Berthiaume | Charlton, MA | — | Pumper / Cleaner | 5564 |
| Galen H Kelly | Whiteville, NC | — | Installer | 3469 |
| Garhard Leitkowski | Uncasville, CT | — | Installer | 2148 |
| Garrett Kenneth Beeler | Bristol, CT | — | Installer | 6463 |
| Garrett Meade | Brookfield, CT | — | Installer | 5629 |
| Garrett S Rooke | Coventry, CT | — | Installer | 6440 |
| Gary A Yuknat | Grafton, NH | — | Installer | 2261 |
| Gary Bailey | Guilford, CT | — | Installer | 6102 |
| Gary C Molochko | Lisbon, CT | — | Installer | 5459 |
| Gary C Pedersen | Northford, CT | — | Installer | 6010 |
| Gary D Estelle | Suffield, CT | — | Installer | 3170 |
| Gary D Kuchy | Stafford Springs, CT | — | Installer | 3593 |
| Gary Doski | Marietta, GA | — | Installer | 3561 |
| Gary E Mead | New Fairfield, CT | — | Installer | 3043 |
| Gary E Schmidt | Berlin, CT | — | Installer | 3056 |
| Gary E Weeks | Northfield, CT | — | Installer | 230 |
| Gary H Alligood | Salem, CT | — | Installer | 3458 |
| Gary J Albanese Jr | Old Saybrook, CT | — | Installer | 3897 |
| Gary J Santoro | Bethlehem, CT | — | Installer | 3601 |
| Gary L Olson | Bristol, CT | — | Installer | 3905 |
| Gary M Defilippo | Terryville, CT | — | Installer | 5224 |
| Gary M Rawson | Thompson, CT | — | Installer | 6464 |
| Gary Nemeth | Stratford, CT | — | Installer | 2869 |
| Gary Paist | New Milford, CT | — | Installer | 5551 |
| Gary Palmes | Ivoryton, CT | — | Pumper / Cleaner | 4040 |
| Gary Porwitzki | Danbury, CT | — | Installer | 2798 |
| Gary R Swain | Westbrook, CT | — | Installer | 3408 |
| Gary Riggio | Ivoryton, CT | — | Installer | 3014 |
| Gary S Nash | Shelton, CT | — | Installer | 3700 |
| Gary S Sweetman | Wolcott, CT | — | Installer | 3670 |
| Gary Stevens | Centerbrook, CT | — | Installer | 3427 |
| Gary W Hawley | Danbury, CT | — | Installer | 3135 |
| Gary Whittenburg | Eastford, CT | — | Installer | 3676 |
| Gary Zimmitti | Cheshire, CT | — | Installer | 2921 |
| Gene J Lupo | Fairfield, CT | — | Installer | 3324 |
| Gene Nazzaro | Georgetown, CT | — | Installer | 2954 |
| Geoffrey L Scully | Trumbull, CT | — | Installer | 2812 |
| George A Beatty Jr. | Sherman, CT | — | Installer | 3387 |
| George A Frank | Westport, CT | — | Installer | 3654 |
| George Christie | Jewett City, CT | — | Installer | 6116 |
| George Courser | North Granby, CT | — | Installer | 3900 |
| George Deacon | Morris, CT | — | Installer | 3842 |
| George E Doerrer | Westbrook, CT | — | Installer | 702 |
| George F Lee | Bethlehem, CT | — | Installer | 5121 |
| George G Benjamin | Griswold, CT | — | Installer | 2393 |
| George G Touponse | Bethlehem, CT | — | Installer | 2047 |
| George H Stone Jr | Southbury, CT | — | Installer | 549 |
| George J Benjamin | Norwich, CT | — | Installer | 6355 |
| George J Sam | New Milford, CT | — | Installer | 5810 |
| George K Pytlik | Westbrook, CT | — | Installer | 5332 |
| George Porter Jr | Terryville, CT | — | Installer | 5361 |
| George R Byrnes | Windsor Locks, CT | — | Installer | 3415 |
| George R Hill Iii | New Britain, CT | — | Installer | 5513 |
| George R Jones | Prospect, CT | — | Installer | 105 |
| George R Plaskowitz Jr | Orange, CT | — | Installer | 3547 |
| George S Payne Iii | Oxford, CT | — | Pumper / Cleaner | 204 |
| George S Yasensky | Wallingford, CT | — | Installer | 2319 |
| George Sheehy | Shelton, CT | — | Installer | 5359 |
| George T Letis Iii | East Haven, CT | — | Installer | 5662 |
| George T Mihailin | New Fairfield, CT | — | Installer | 3506 |
| George V Terenzio | Stamford, CT | — | Installer | 2351 |
| George W Green | Coventry, CT | — | Installer | 5498 |
| Gerald J Kruszewski | Deep River, CT | — | Installer | 5158 |
| Gerald J Wilcox | South Windsor, CT | — | Installer | 3108 |
| Gerald L Ouellette | East Hartford, CT | — | Pumper / Cleaner | 5035 |
| Gerald Verna | Wallingford, CT | — | Installer | 5558 |
| Gilbert Faulkner | Granville, MA | — | Installer | 5437 |
| Gilbert L Macamaux Jr | Wyoming, RI | — | Pumper / Cleaner | 5617 |
| Gilman Dube Jr. | Riverton, CT | — | Installer | 5521 |
| Gilmar O Pires | Danbury, CT | — | Installer | 5796 |
| Gino Mattera | Weston, CT | — | Installer | 5258 |
| Giovanni Lavorgna | Hamden, CT | — | Pumper / Cleaner | 5666 |
| Glen J Rokicki | Hebron, CT | — | Installer | 3150 |
| Glen Radacsi | Botsford, CT | — | Installer | 4071 |
| Glenn A Parent | Brooklyn, CT | — | Installer | 2650 |
| Glenn A Perschino | Norwalk, CT | — | Installer | 3854 |
| Glenn E Brier | Sandy Hook, CT | — | Installer | 3213 |
| Glenn E Korner | Bloomfield, CT | — | Installer | 3176 |
| Glenn J Mooney | Willington, CT | — | Installer | 5968 |
| Glenn L D'Amato | North Branford, CT | — | Installer | 6271 |
| Gordon C Butts | New Milford, CT | — | Installer | 3526 |
| Grant E Gorczyca | Higganum, CT | — | Installer | 6178 |
| Grant Emory Palmer | Danbury, CT | — | Pumper / Cleaner | 5630 |
| Grant G Buttermore | Gales Ferry, CT | — | Installer | 6204 |
| Gregory E Corso | Danbury, CT | — | Installer | 3559 |
| Gregory Gale | Ellington, CT | — | Installer | 3034 |
| Gregory Hoffman | Groton, CT | — | Installer | 5914 |
| Gregory J Curtin | East Haddam, CT | — | Installer | 6377 |
| Gregory J Lehto | Plainfield, CT | — | Installer | 6520 |
| Gregory J Metsack | Old Saybrook, CT | — | Installer | 5767 |
| Gregory J Peterson | Essex, CT | — | Installer | 5631 |
| Gregory K Henderson | Twin Mountain, NH | — | Installer | 3443 |
| Gregory L Steiner | Bethel, CT | — | Installer | 3719 |
| Gregory M Nejame | New Fairfield, CT | — | Installer | 4059 |
| Gregory Novak | Clinton, CT | — | Installer | 5988 |
| Gregory P Makuch | Middlefield, CT | — | Installer | 2560 |
| Gregory R Carnrick | Sandy Hook, CT | — | Installer | 6556 |
| Gregory S Scoville | Terryville, CT | — | Installer | 3512 |
| Gregory T Cone | Columbia, CT | — | Installer | 5365 |
| Gregory W Derita | Durham, CT | — | Installer | 6076 |
| Guido J Mangione | Oxford, CT | — | Installer | 1532 |
| Gustavo A Sanchez Medina | Newington, CT | — | Pumper / Cleaner | 5347 |
| Guy A Cone Jr | Berlin, CT | — | Installer | 6536 |
| Guy E Langevin | Holland, MA | — | Installer | 3396 |
| Guy R Mazzola | New Canaan, CT | — | Installer | 6006 |
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