Apprenticeship Sponsor — page 20 of 20
5,826 businesses with an active “Apprenticeship Sponsor” credential — administered by the Department of Labor. State file of October 1, 2026.
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| Place | Business | Record | Credentials | Latest expiration |
|---|---|---|---|---|
| Torrington, CT | WEST STATE MECHANICAL INC | FA8B67335A | Major Contractor + 1 more | Jun 30, 2027 |
| Litchfield, CT | West Street Barbershop, LLC | 9A48BAE131 | Apprenticeship Sponsor | Jun 30, 2024 |
| Shelton, CT | West-Conn Tool & Die, Inc. | ADCA6E35B9 | Apprenticeship Sponsor | Jun 30, 2026 |
| Ivoryton, CT | Westbrook Manufacturing, LLC | 866DE11670 | Apprenticeship Sponsor | Jun 30, 2004 |
| Bristol, CT | Westbrook Plumbing Solutions, LLC | FED84D9359 | Apprenticeship Sponsor | Jun 30, 2024 |
| White Plains, NY | Westchester-Fairfield Electricians JATC | 6DA4FA061B | Apprenticeship Sponsor | Jun 30, 2027 |
| Greenwich, CT | Westconn Plumbing & Heating, LLC | EBED085452 | Apprenticeship Sponsor | Jun 30, 2008 |
| Shelton, CT | Westfall & Sons Electric, LLC | BC544C3A0C | Apprenticeship Sponsor | Jun 30, 2022 |
| Plainfield, CT | Westminster Tool Inc. | D3654ADDE2 | Apprenticeship Sponsor | Jun 30, 2020 |
| Greenwich, CT | WESTMORE FUEL CO INC | 5FEBCD1437 | Motor Fuel Quality Registration + 4 more | Oct 31, 2027 |
| Westport, CT | Westport Plumbing | C40661048D | Apprenticeship Sponsor | Jun 30, 2026 |
| Branford, CT | Westview Company, LLC | 3B72AC1E50 | Apprenticeship Sponsor | Jun 30, 2010 |
| Guilford, CT | WESTVIEW ELECTRIC LLC | A30B47F572 | Home Improvement Contractor + 1 more | Mar 31, 2027 |
| West Haven, CT | Westville-Crest Plumbing & Heating, Inc. | D4A61EB5FC | Apprenticeship Sponsor | Jun 30, 2027 |
| Wethersfield, CT | Wethersfield Electric, LLC | AD14CC6135 | Apprenticeship Sponsor | Jun 30, 2027 |
| Old Saybrook, CT | Whalen Electric of Old Saybrook, LLC | A07965CD5E | Apprenticeship Sponsor | Jun 30, 2015 |
| New Haven, CT | Whalley Glass Company | 2B8C58C530 | Apprenticeship Sponsor | Jun 30, 2021 |
| Westfield, MA | Wheeler Electrical Inc. | 962284B7C5 | Apprenticeship Sponsor | Jun 30, 2004 |
| Eastford, CT | Whitcraft, LLC | DCC0EC9D8A | Apprenticeship Sponsor | Jun 30, 2019 |
| White Plains, NY | White Electric Inc. | 08B1DE720F | Apprenticeship Sponsor | Jun 30, 2015 |
| White Plains, NY | White Electric of New York LLC | 019B4C04D7 | Apprenticeship Sponsor | Jun 30, 2018 |
| Stafford Springs, CT | White Electric, LLC | 69FE902C12 | Apprenticeship Sponsor | Jun 30, 2025 |
| Southington, CT | White Rock Plumbing & Heating | C1B322A9FD | Apprenticeship Sponsor | Jun 30, 2026 |
| Cheshire, CT | White-Bowman, Inc. | 72AA00D7BE | Apprenticeship Sponsor | Jun 30, 2019 |
| South Windsor, CT | Whitehouse Electric | 8D8F6BE49E | Apprenticeship Sponsor | Jun 30, 2010 |
| Bristol, CT | Whitman Controls LLC DBA Thomas Products LLC | CDE698C470 | Apprenticeship Sponsor | Jun 30, 2026 |
| Oxford, CT | Wicks Electric, LLC | EAF3BB2912 | Apprenticeship Sponsor | Jun 30, 2027 |
| Westbrook, CT | WILCOX FUEL INC | D71527E384 | Home Heating Fuel Dealer + 2 more | Sep 30, 2027 |
| Woodbury, CT | Wild Electric, LLC | 935F5159CB | Apprenticeship Sponsor | Jun 30, 2027 |
| Winsted, CT | Wild One Salon | 11AB7D92F5 | Apprenticeship Sponsor | — |
| Seymour, CT | Wildman Plumbing, LLC | 5A4FD15F05 | Apprenticeship Sponsor | Jun 30, 2009 |
| Windsor, CT | WILL'S BARBER SHOP, LLC | 879901C77E | Apprenticeship Sponsor | Jun 30, 2025 |
| Tolland, CT | Willco Mechanical Contractors, Inc. | 5A9475296D | Apprenticeship Sponsor | Jun 30, 2024 |
| Trumbull, CT | William A. Gnandt Jr. | 77E73234FD | Apprenticeship Sponsor | Jun 30, 2009 |
| Springfield, MA | William A. Hurley Plumbing & Heating, Inc. | 35F14BF9DD | Apprenticeship Sponsor | Jun 30, 2005 |
| Farmington, CT | William B. Perleoni Plumbing | C652BC9108 | Apprenticeship Sponsor | Jun 30, 2017 |
| East Canaan, CT | William Perotti & Sons, Inc. | 2B4631F5BD | Apprenticeship Sponsor | Jun 30, 2027 |
| Norwich, CT | WILLIAM W. BACKUS HOSPITAL, THE | BCDBC4492D | General Hospital + 5 more | Mar 31, 2028 |
| North Stonington, CT | Williams & Assoc. Mechanical Contracting Inc. | 74DC0E461B | Apprenticeship Sponsor | Jun 30, 2025 |
| Colebrook, CT | Williams Electric Service LLC | 08EAC5627C | Apprenticeship Sponsor | Jun 30, 2023 |
| West Hartford, CT | Williams Electrical Contracting | 16B4312AB1 | Apprenticeship Sponsor | Jun 30, 2017 |
| Enfield, CT | WILLIAMS ELECTRICAL SERVICES, LLC | 3ECA5FB49E | Apprenticeship Sponsor | Jun 30, 2016 |
| Uncasville, CT | Williams Electrical Solutions | B22A350B44 | Apprenticeship Sponsor | Jun 30, 2010 |
| Enfield, CT | Williams Engineering, Inc. | 2C99350150 | Apprenticeship Sponsor | Jun 30, 2015 |
| Stafford Springs, CT | WILLIAMS FUEL OIL CO LLC | 9A594EA064 | Retail Gasoline Dealer + 3 more | Oct 31, 2027 |
| Stafford Springs, CT | Willington Nameplate Inc. | 98520397B4 | Apprenticeship Sponsor | Jun 30, 2021 |
| Old Saybrook, CT | Willis Electric LLC | A4D1CE7AA7 | Apprenticeship Sponsor | Jun 30, 2027 |
| North Haven, CT | Williston Electric, LLC | 584705A531 | Apprenticeship Sponsor | Jun 30, 2026 |
| New Haven, CT | Willow Painting, Inc. | 20E8EF0310 | Apprenticeship Sponsor | Jun 30, 2007 |
| Shelton, CT | Wills Electrical Services, LLC | 0FC46D8A04 | Apprenticeship Sponsor | Jun 30, 2022 |
| Stamford, CT | Wilson Electric, LLC | 4BD986B0EF | Apprenticeship Sponsor | Jun 30, 2015 |
| Manchester, CT | Wilson Electrical LLC | E1BC584D26 | Apprenticeship Sponsor | Jun 30, 2027 |
| Wilton, CT | Wilton Electric Co. Inc. | 94EF6CE764 | Apprenticeship Sponsor | Jun 30, 2027 |
| Wilton, CT | Wilton Electrical Services Inc. | A7889ABF2D | Apprenticeship Sponsor | Jun 30, 2025 |
| Bethel, CT | Wilton Plumbing & Heating Corp. | C008E56C3B | Apprenticeship Sponsor | Jun 30, 2027 |
| Bristol, CT | Winchester Industrial Controls LLC | F4A01BA9AE | Apprenticeship Sponsor | Jun 30, 2023 |
| Winsted, CT | Winchester Industries, Inc. | B71C47302F | Apprenticeship Sponsor | — |
| Quinebaug, CT | Windham County Sheet Metal, Inc. | 09F1E68AC9 | Apprenticeship Sponsor + 1 more | Jun 30, 2027 |
| Plainville, CT | WINDOW SHOP INC (THE) | A47717A558 | Home Improvement Contractor + 1 more | Mar 31, 2027 |
| Windsor Locks, CT | Windsor Locks Heating & Cooling LLC | 930228AAE8 | Apprenticeship Sponsor | Jun 30, 2006 |
| Windsor Locks, CT | Windsor Locks Public Schools | 16675C0B01 | Apprenticeship Sponsor | Jun 30, 2027 |
| Windsor, CT | Windsor Public Schools | 2A8A76F97A | Apprenticeship Sponsor | Jun 30, 2024 |
| Windsor Locks, CT | Windsor Sheet Metal Services Inc. | 038005FF49 | Apprenticeship Sponsor | Jun 30, 2027 |
| New Britain, CT | Winslow Automatics, Inc. | 44A4AF4238 | Apprenticeship Sponsor | Jun 30, 2021 |
| Guilford, CT | Winslow Plumbing & Mechanical, LLC | 9E93D81091 | Apprenticeship Sponsor | Jun 30, 2022 |
| New Haven, CT | WINSTANLEY ENTERPRISES, LLC | 20514A09EC | Apprenticeship Sponsor | Jun 30, 2027 |
| Essex, CT | Winthrop Tool, LLC | 024CC71F37 | Apprenticeship Sponsor | Jun 30, 2018 |
| Watertown, CT | Wire Tech, LLC | B789F293BB | Apprenticeship Sponsor | Jun 30, 2026 |
| Wilton, CT | Wired Electrical Contracting Services, LLC | E167529F4F | Apprenticeship Sponsor | Jun 30, 2027 |
| Waterbury, CT | WIREMEN, INC. | F823918C6A | Apprenticeship Sponsor | Jun 30, 2027 |
| West Hartford, CT | WIREMOLD CO. | 883A91ED31 | Apprenticeship Sponsor | Jun 30, 2027 |
| Westport, CT | Wirth & Son Plumbing & Heating Inc. | C7CD8A7721 | Apprenticeship Sponsor | Jun 30, 2009 |
| West Hartland, CT | Withee Electric LLC | BB099CB512 | Apprenticeship Sponsor | Jun 30, 2009 |
| Prospect, CT | Witherly Electric, LLC | B09CD28A77 | Apprenticeship Sponsor | Jun 30, 2019 |
| Somers, CT | Wittig Mechanical, LLC | C241BA71E9 | Apprenticeship Sponsor | Jun 30, 2027 |
| Seymour, CT | WJ Electric, LLC | 596217E4D9 | Apprenticeship Sponsor | Jun 30, 2027 |
| Preston, CT | WLT Heating & Cooling LLC | 88CBE30847 | Apprenticeship Sponsor | Jun 30, 2007 |
| Stamford, CT | Wm. A. DeMartino, Jr. Electrical Contr.,Inc. | 4CFE310958 | Apprenticeship Sponsor | Jun 30, 2008 |
| Northford, CT | Wm. Mayer Electric Inc. | E88D99F810 | Apprenticeship Sponsor | Jun 30, 2014 |
| West Simsbury, CT | Wolf Electrical LLC | 777D227BFC | Apprenticeship Sponsor | Jun 30, 2006 |
| Bloomfield, CT | Wood Group Pratt & Whitney | 3A71594E87 | Apprenticeship Sponsor | Jun 30, 2010 |
| South Windsor, CT | Woodcock Refrigeration Co., Inc. | C0679152A6 | Apprenticeship Sponsor | Jun 30, 2027 |
| Morris, CT | Woodruff Plumbing & Heating Inc. | 7B5D12127B | Apprenticeship Sponsor | Jun 30, 2006 |
| Woodstock, CT | WOODSTOCK BUILDING ASSOCIATES LLC | 85094A6F7B | New Home Construction Contractor + 2 more | Mar 31, 2027 |
| Ashford, CT | WOODSTOCK VALLEY ELECTRIC | D790CFCF12 | Apprenticeship Sponsor | Jun 30, 2027 |
| New Haven, CT | Workforce Alliance | 48B6E56C08 | Apprenticeship Sponsor | Jun 30, 2021 |
| Wallingford, CT | Workstate Connecticut, LLC | 8FEAB4B27B | Apprenticeship Sponsor | Jun 30, 2018 |
| Roxbury, CT | WRAGG WELL DRILLING & PUMP SERVICE LLC | AAB7FFC2D6 | Apprenticeship Sponsor | Jun 30, 2027 |
| Willimantic, CT | WRCC NEW HEIGHTS EARLY CHILDHOOD PROGRAM | 49931FA9DF | Child Care Center + 1 more | Nov 30, 2029 |
| Manchester, CT | Wyman Energy Services, Inc. | B0AFDFCD60 | Apprenticeship Sponsor | Jun 30, 2027 |
| Groton, CT | Wyman Gordon Invest. Castings, Inc. | D046DEF50C | Apprenticeship Sponsor | Jun 30, 2027 |
| Wallingford, CT | X-treme Temp Heating & Cooling, LLC | 5EC38F5DFD | Apprenticeship Sponsor | Jun 30, 2027 |
| Milford, CT | Xcel Tool & Manufacturing Co., LLC | 7EED9C02BA | Apprenticeship Sponsor | Jun 30, 2027 |
| Meriden, CT | Xclusive Cuts | 19C3AFB692 | Apprenticeship Sponsor | Jun 30, 2027 |
| Norwich, CT | Xuare, LLC | 6F5CEE1E20 | Apprenticeship Sponsor | Jun 30, 2017 |
| Waterbury, CT | YADY AND FRED'S, LLC | BF529F1D2B | Apprenticeship Sponsor | Jun 30, 2027 |
| New Haven, CT | Yale New Haven Health | 65439F249A | Apprenticeship Sponsor | Jun 30, 2018 |
| New Haven, CT | YALE NEW HAVEN HEALTH SERVICES CORP. | 07DBEF1DF1 | Apprenticeship Sponsor | Jun 30, 2028 |
| New Haven, CT | Yale New Haven Hospital | 1F59B89577 | Apprenticeship Sponsor | Jun 30, 2022 |
| New Haven, CT | Yale University/UNITE HERE Local 35 | AB67433812 | Apprenticeship Sponsor | Jun 30, 2024 |
| Enfield, CT | Yankee Casting Co., Inc. | 5F59768E60 | Apprenticeship Sponsor | Jun 30, 2026 |
| Fairfield, CT | Yankee Electric Construction Co. Inc. | FE8CCEEE89 | Apprenticeship Sponsor | Jun 30, 2027 |
| Mansfield, CT | Yankee Oil, Inc. | 6BAEBC0BFC | Apprenticeship Sponsor + 2 more | Jun 30, 2028 |
| Scotland, CT | Yankee Service Company, LLC. | A771B5323C | Apprenticeship Sponsor | Jun 30, 2027 |
| East Hartford, CT | Yankee Sheet Metal, Inc. | 608B07DF94 | Apprenticeship Sponsor | — |
| Southington, CT | Yarde Metals, Inc. | DDD125460E | Apprenticeship Sponsor | Jun 30, 2009 |
| Meriden, CT | Year-Round Mechanical, LLC | F2C246A5C1 | Apprenticeship Sponsor | Jun 30, 2022 |
| Madison, CT | Yenco Electric, LLC | BFC06B13FB | Apprenticeship Sponsor | Jun 30, 2026 |
| Southington, CT | Yes Electric, LLC | 7CA02B388A | Apprenticeship Sponsor | Jun 30, 2026 |
| Bolton, CT | YM INDUSTRIES INC | C0749ECBF7 | Home Heating Fuel Dealer + 2 more | Sep 30, 2027 |
| Stratford, CT | Your Plumber, LLC | 221392B573 | Apprenticeship Sponsor | Jun 30, 2027 |
| New Haven, CT | Youth Continuum, Inc. | C973FF3DF8 | Apprenticeship Sponsor | Jun 30, 2009 |
| Colchester, CT | Zachas Electric, LLC | 9D70AFC05E | Apprenticeship Sponsor | Jun 30, 2027 |
| South Windsor, CT | Zaidas Hair Braiding | B8851950F6 | Apprenticeship Sponsor | Jun 30, 2025 |
| Westerly, RI | Zanella Plumbing & Heating, Inc. | 05FB4B8585 | Apprenticeship Sponsor | Jun 30, 2008 |
| Longmeadow, MA | Zap Electric, Inc. | B69C4EED87 | Apprenticeship Sponsor | Jun 30, 2008 |
| Wilton, CT | Zap’s Barbershop | 67F80A591F | Apprenticeship Sponsor | Jun 30, 2027 |
| Milford, CT | Zebra Plumbing, LLC | 2A33257ED7 | Apprenticeship Sponsor | Jun 30, 2026 |
| Old Lyme, CT | Zelek Electric Co. | 49C7E36BF3 | Apprenticeship Sponsor | Jun 30, 2027 |
| Thomaston, CT | Zero Check | DCBE207181 | Apprenticeship Sponsor | Jun 30, 2026 |
| Mansfield Center, CT | ZLOTNICK CONSTRUCTION INC | B4B76EA1FE | Major Contractor + 2 more | Jun 30, 2027 |
| Canton, CT | ZN CONSTRUCTION AND CONTRACTING LLC | 9E7A1EB963 | New Home Construction Contractor + 2 more | Mar 31, 2027 |
| Oxford, CT | Zonas Enterprises, LLC | 9B3B335585 | Apprenticeship Sponsor | Jun 30, 2006 |
| Madison, CT | ZPLUMBERZ OF NEW HAVEN | 11BD3B58AA | Apprenticeship Sponsor | Jun 30, 2026 |
| Seymour, CT | ZRL Mechanical LLC | 9F0D9F0CD0 | Apprenticeship Sponsor | Jun 30, 2027 |
| Southington, CT | ZZiP Electric Inc | 1AF972B89F | Apprenticeship Sponsor | Jun 30, 2026 |
Alphabetical order — this site ranks no one. Businesses with at least one active credential in the Connecticut eLicensing file of October 1, 2026. How to read this.