| 0104 | 6th Space Warning Squadron (Cape Cod Space Force Base) |
| 0372 | Abington Housing Authority |
| 0332 | Abington/Rockland Joint Water Works |
| 0394 | Acton-Boxborough Regional School District |
| 0440 | Acton Housing Authority |
| 0496 | Acton Water District |
| 0300 | Adams Fire District |
| 0209 | Adams-Cheshire Regional School District |
| 0375 | Agawam Housing Authority |
| 0472 | Amherst Housing Authority |
| 0408 | Amherst Pelham Regional School District |
| 0523 | Arlington Housing Authority |
| 0536 | Ashland Housing Authority |
| 0233 | Athol Housing Authority |
| 0467 | Athol-Royalston Regional School District |
| 0303 | Attleboro Housing Authority |
| 0260 | Auburn Housing Authority |
| 0403 | Ayer-Shirley Regional School District (ASRSD) |
| 0162 | Barnstable Country Sheriff Office |
| 0140 | Barnstable Fire District |
| 0138 | Barnstable Housing Authority |
| 0361 | Belchertown Housing Authority |
| 0371 | Bellingham Housing Authority |
| 0078 | Berkshire Community College |
| 0325 | Berkshire Hills Regional School District |
| 0471 | Bernardston Fire and Water District |
| 0508 | Beverly Housing Authority |
| 0384 | Beverly Regional Airport |
| 0234 | Billerica Housing Authority |
| 0429 | Blackstone-Millville Regional School District |
| 0513 | Blackstone Valley Vocational Regional School District |
| 0438 | Blue Hills Regional Technical School District |
| 0537 | Boston Collegiate Charter School |
| 0198 | Boston Housing Authority |
| 0501 | Bourne Water District |
| 0029 | Bridgewater State University |
| 0397 | Brimfield Housing Authority |
| 0008 | Bristol Community College |
| 0032 | Bristol County Sherriff's Office |
| 0223 | Brockton Housing Authority |
| 0528 | Brooke Charter Schools |
| 0522 | Brookline Housing Authority |
| 0248 | Cambridge Housing Authority |
| 0315 | Canton Housing Authority |
| 0036 | Cape & Vineyard Electric Cooperative Inc. (CVEC) |
| 0207 | Cape Cod Community College |
| 0249 | Cape Cod Regional Transit Authority |
| 0349 | Centerville-Osterville-Marstons Mills Fire District |
| 0480 | Central Berkshire Regional School District |
| 0281 | Charles River Pollution Control District |
| 0421 | Charlton Housing Authority |
| 0416 | Chatham Housing Authority |
| 0237 | Chelmsford Housing Authority |
| 0044 | Chelmsford Water District |
| 0334 | Chelsea Housing Authority |
| 0374 | Clinton Housing Authority |
| 0423 | Cohasset Housing Authority |
| 0499 | Commonwealth Zoological Corporation d/b/a Zoo New England |
| 0347 | Cotuit Fire District, Water Department |
| 0214 | County of Barnstable |
| 0534 | County of Bristol |
| 0213 | County of Dukes County |
| 0443 | Dalton Fire District |
| 0402 | Dalton Housing Authority |
| 0516 | Dedham Housing Authority |
| 0100 | Dennis-Yarmouth Regional School District |
| 0383 | Dighton Rehoboth Regional School District |
| 0080 | Division of Capital Asset Management and Maintenance (DCAMM) |
| 0224 | Dracut Housing Authority |
| 0445 | Dracut Water Supply District |
| 0043 | Dudley Charlton Regional School District |
| 0453 | Dudley Housing Authority |
| 0420 | Duxbury Housing Authority |
| 0465 | East Bridgewater Housing Authority |
| 0341 | East Longmeadow Housing Authority |
| 0378 | Easthampton Housing Authority |
| 0368 | Easton Housing Authority |
| 0137 | Fairhaven Housing Authority |
| 0141 | Fall River Housing Authority |
| 0299 | Falmouth Economic Development and Industrial Corporation |
| 0324 | Falmouth Housing Authority |
| 0219 | Fitchburg Housing Authority |
| 0006 | Fitchburg State University |
| 0497 | Foxborough Regional Charter School |
| 0286 | Framingham Housing Authority |
| 0200 | Framingham State University |
| 0028 | Franklin Country Sheriff's Office |
| 0503 | Franklin County Regional Housing and Redevelopment Authority |
| 0015 | Franklin County Technical School District |
| 0024 | Franklin Regional Transit Authority |
| 0149 | Gardner Housing Authority |
| 0407 | Gateway Regional School District |
| 0390 | Gloucester Housing Authority |
| 0447 | Grafton Housing Authority |
| 0049 | Grafton Water District |
| 0339 | Granby Housing Authority |
| 0020 | Greater Lawrence Regional Vocational School District |
| 0042 | Greater Lawrence Sanitation District |
| 0153 | Greater Lowell Regional Vocational Technical School District |
| 0490 | Greater New Bedford Regional Vocational Technical High School District |
| 0116 | Greenfield Community College |
| 0483 | Greenfield Housing Authority |
| 0468 | Hampden Housing Authority |
| 0212 | Hampden-Wilbraham Regional School District |
| 0404 | Hampshire Regional School District |
| 0359 | Hampshire Sheriff's Office |
| 0538 | Hanscom Air Force Base |
| 0369 | Hanson Housing Authority |
| 0377 | Hatfield Housing Authority |
| 0295 | Holbrook Housing Authority |
| 0525 | Holliston Housing Authority |
| 0047 | Hoosac Water Quality District |
| 0494 | Innovation Academy Charter School |
| 0259 | King Philip Regional School District |
| 0317 | Kingston Housing Authority |
| 0265 | Lancaster Housing Authority |
| 0459 | Lancaster Sewer District |
| 0307 | Leicester Housing Authority |
| 0401 | Leicester Water Supply District |
| 0320 | Lenox Housing Authority |
| 0139 | Leominster Housing Authority |
| 0290 | Lexington Housing Authority |
| 0142 | Lincoln-Sudbury Regional School District |
| 0331 | Lowell Housing Authority |
| 0246 | Lowell Regional Transit Authority |
| 0484 | Ludlow Housing Authority |
| 0221 | Lunenberg Housing Authority |
| 0314 | Marlborough Community Development Authority |
| 0417 | Marshfield Housing Authority |
| 0350 | Martha’s Vineyard Airport |
| 0175 | Martha's Vineyard Regional High School District |
| 0495 | Martha's Vineyard Regional Transit Authority |
| 0505 | Masconomet Regional School District |
| 0418 | Mashpee Housing Authority |
| 0502 | Mashpee Wampanoag Tribe |
| 0101 | Massachusetts Air National Guard |
| 0424 | Massachusetts Army National Guard |
| 0533 | Massachusetts Bay Community College |
| 0115 | Massachusetts Bay Transportation Authority (MBTA) |
| 0169 | Massachusetts College of Art and Design |
| 0454 | Massachusetts College of Liberal Arts |
| 0520 | Massachusetts Department of Conservation and Recreation (DCR) |
| 0196 | Massachusetts Department of Correction (DOC) |
| 0017 | Massachusetts Department of Environmental Protection (DEP) |
| 0163 | Massachusetts Department of Fish and Game |
| 0133 | Massachusetts Department of Transportation (DOT) |
| 0506 | Massachusetts Department of Unemployment Assistance |
| 0486 | Massachusetts Emergency Management Agency (MEMA) |
| 0449 | Massachusetts Port Authority (Massport) |
| 0050 | Massachusetts Maritime Academy |
| 0511 | Massachusetts Trial Court |
| 0343 | Massachusetts Municipal Wholesale Electric Company |
| 0022 | Massachusetts Water Resources Authority |
| 0007 | Massasoit Community College |
| 0322 | Mattapoisett Housing Authority |
| 0477 | Mattapoisett River Valley Water District |
| 0542 | Medfield Housing Authority |
| 0362 | Mendon Housing Authority |
| 0276 | Mendon-Upton Regional School District |
| 0387 | Methuen Housing Authority |
| 0168 | Middlesex Community College - Lowell |
| 0373 | Milford Housing Authority |
| 0262 | Millbury Housing Authority |
| 0535 | Millis Housing Authority |
| 0509 | Minuteman Regional Vocational Technical School District |
| 0204 | Monomoy Regional School District |
| 0268 | Monson Housing Authority |
| 0005 | Montachusett Regional Transit Authority |
| 0388 | Mount Greylock Regional School District |
| 0183 | Mount Wachusett Community College |
| 0195 | Nashoba Valley Technical School District |
| 0515 | Natick Housing Authority |
| 0284 | National Park Service |
| 0432 | Nauset Regional School District |
| 0188 | New Bedford Housing Authority |
| 0087 | New Bedford Redevelopment Authority |
| 0292 | Newburyport Housing Authority |
| 0530 | Newton Housing Authority |
| 0489 | Norfolk County Agricultural High School |
| 0419 | Norfolk Housing Authority |
| 0487 | Norfolk Sheriff's Office |
| 0225 | North Adams Housing Authority |
| 0380 | North Andover Housing Authority |
| 0264 | North Brookfield Housing Authority |
| 0045 | North Chelmsford Water District |
| 0431 | North Middlesex Regional District |
| 0296 | North Sagamore Water District |
| 0287 | North Shore Community College |
| 0154 | Northampton Housing Authority |
| 0313 | Northborough Housing Authority |
| 0510 | Northborough-Southborough Regional School District |
| 0328 | Northern Berkshire Vocational Regional School District |
| 0174 | Northern Essex Community College |
| 0431 | North Middlesex Regional District |
| 0338 | Norton Housing Authority |
| 0155 | Old Colony Regional Vocational Technical High School District |
| 0157 | Old Rochester Regional School District aka Massachusetts School Superintendency Union #55 |
| 0285 | Onset Fire Water District |
| 0415 | Orleans Housing Authority |
| 0261 | Oxford Housing Authority |
| 0400 | Oxford-Rochdale Sewer District |
| 0273 | Palmer Housing Authority |
| 0159 | Pathfinder Regional Vocational Technical High School District |
| 0367 | Pepperell Housing Authority |
| 0485 | Pioneer Valley Transit Authority |
| 0275 | Pittsfield Housing Authority |
| 0305 | Pittsfield Municipal Airport |
| 0478 | Plymouth County Sheriff's Office |
| 0161 | Plymouth Housing Authority |
| 0272 | Quabbin Regional School District |
| 0199 | Quaboag Regional School District |
| 0335 | Quincy Housing Authority |
| 0203 | Quinsigamond Community College |
| 0312 | Ralph C. Mahar Regional School District |
| 0353 | Revere Housing Authority |
| 0469 | River Valley Charter School |
| 0358 | Roxbury Community College |
| 0539 | Roxbury Preparatory Charter School |
| 0519 | Salem Housing Authority |
| 0250 | Salem State University |
| 0293 | Salisbury Housing Authority |
| 0450 | Sandwich Water District |
| 0291 | Saugus Housing Authority |
| 0427 | Scituate Housing Authority |
| 0370 | Seekonk Housing Authority |
| 0242 | Sharon Housing Authority |
| 0144 | Shirley Water District |
| 0108 | Silver Lake Regional School District |
| 0514 | Soldiers' Home in Massachusetts - Chelsea |
| 0444 | Somerset-Berkley Regional School District |
| 0152 | Somerset Housing Authority |
| 0521 | Somerville Housing Authority |
| 0173 | South Shore Vocational Technical High School |
| 0308 | Southborough Housing Authority |
| 0319 | Southbridge Housing Authority |
| 0391 | Southeastern Regional Vocational Technical High School |
| 0277 | Southern Berkshire Regional School District |
| 0085 | Southern Worcester Regional Vocational School District |
| 0376 | Southwick Housing Authority |
| 0344 | Spencer East Brookfield Regional School District |
| 0227 | Spencer Housing Authority |
| 0053 | Springfield Technical Community College |
| 0345 | Stoughton Housing Authority |
| 0524 | Sudbury Housing Authority |
| 0145 | Swansea Water District |
| 0243 | Tantasqua Regional School District |
| 0263 | Tewksbury Housing Authority |
| 0150 | Tri-County Regional Vocational Technical School District |
| 0002 | Triton Regional School District |
| 0310 | Tyngsborough Housing Authority |
| 0091 | United States Coast Guard |
| 0337 | United States Fish and Wildlife Service |
| 0252 | United States General Services Administration |
| 0529 | United States Postal Service |
| 0025 | University of Massachusetts - Amherst |
| 0039 | University of Massachusetts - Boston |
| 0041 | University of Massachusetts - Dartmouth |
| 0037 | University of Massachusetts - Lowell |
| 0027 | University of Massachusetts - Medical School |
| 0010 | Upper Blackstone Water Pollution Abatement District |
| 0122 | Upper Cape Cod Regional Vocational Technical School District |
| 0451 | Upper Cape Regional Water Supply Cooperative |
| 0381 | Uxbridge Housing Authority |
| 0316 | Wachusett Regional School District |
| 0414 | Walpole Housing Authority |
| 0532 | Waltham Housing Authority |
| 0083 | Wareham Fire District Department |
| 0340 | Warren Housing Authority |
| 0425 | Watertown Housing Authority |
| 0232 | Webster Housing Authority |
| 0333 | Westborough Housing Authority |
| 0321 | Westborough/Shrewsbury Wastewater Treatment Plant |
| 0410 | Westbrookfield Housing Authority |
| 0228 | Westford Housing Authority |
| 0531 | West Newbury Housing Authority |
| 0309 | Westport Housing Authority |
| 0379 | Weymouth Housing Authority |
| 0392 | Whittier Regional Vocational Technical High School |
| 0393 | Whitman Housing Authority |
| 0389 | Williamstown Fire District |
| 0166 | Winchendon Housing Authority |
| 0386 | Winthrop Housing Authority |
| 0211 | Worcester Housing Authority |
| 0170 | Worcester Regional Transit Authority |
| 0084 | Worcester State University |
| 0518 | Wrentham Housing Authority |