| All Comm Technologies | DMR | Motorola Capacity Plus Multi Site (TRBO) | Revere | Multi-County [3] | 2024-10-23 |
| American Airlines (KBOS) | DMR | Motorola Capacity Plus Single Site (TRBO) | Boston-Winthrop | Suffolk | 2020-10-30 |
| Applied Communications Services | LTR | Standard | Boston | Suffolk | 2010-10-06 |
| Applied Materials Inc. | DMR | Motorola Capacity Plus Single Site (TRBO) | Gloucester | Essex | 2022-01-27 |
| ARINC (Boston Logan International Airport) | DMR | Motorola Capacity Plus Single Site (TRBO) | Boston | Suffolk | 2024-04-06 |
| ARINC (Nantucket) | Motorola | Type I | Nantucket | Nantucket | 2010-10-06 |
| BearCom RDC Trunk | NXDN | NEXEDGE 4800 | Various | Multi-County [9] | 2024-01-10 |
| BearCom Trunk (UHF) | DMR | Motorola Connect Plus (TRBO) | Boston | Suffolk | 2021-10-11 |
| BearCom Trunk (VHF) | DMR | Motorola Connect Plus (TRBO) | Boston | Suffolk | 2021-10-11 |
| Boston Park Plaza Hotel | DMR | Motorola Capacity Plus Single Site (TRBO) | Boston | Suffolk | 2020-04-24 |
| Boston Police Department | Project 25 | Phase II | Boston | Suffolk | 2024-11-05 |
| Bristol County | Motorola | Type II Smartnet | Taunton | Bristol | 2024-04-06 |
| Brockton Public Schools | DMR | Motorola Capacity Plus Multi Site (TRBO) | Brockton | Plymouth | 2024-03-26 |
| Cohasset Municipal | DMR | Motorola Capacity Plus Single Site (TRBO) | Cohasset | Norfolk | 2021-04-09 |
| Commonwealth Of Massachusetts Interoperable Radio System (CoMIRS) | Project 25 | Phase II | Regional | Multi-County [8] | 2024-10-23 |
| County Communications | NXDN | NEXEDGE 9600 | Boston | Multi-County [5] | 2023-10-07 |
| Cybercomm | LTR | Passport | Various | Multi-County [2] | 2020-04-09 |
| Data Radio Managment | DMR | Motorola Capacity Plus Multi Site (TRBO) | Boston | Suffolk | 2024-04-21 |
| Delta Airlines | DMR | Motorola Capacity Plus Multi Site (TRBO) | Boston | Suffolk | 2024-04-06 |
| DePuy Synthes | DMR | Motorola Capacity Plus Single Site (TRBO) | Raynham | Bristol | 2023-06-08 |
| Dispatch Communications (Andover) | LTR | Standard | Andover | Middlesex | 2011-11-19 |
| East Bridgewater Public School District | DMR | Motorola Capacity Plus Single Site (TRBO) | East Bridgewater | Plymouth | 2022-01-21 |
| Essex County Communications | LTR | Standard | Georgetown | Essex | 2010-10-06 |
| Fall River Housing Authority | DMR | Motorola Capacity Plus Single Site (TRBO) | Fall River | Bristol | 2021-06-28 |
| Federal Medical Center Devens | Motorola | Type II Smartnet | Devens | Multi-County [2] | 2024-06-02 |
| Fleetwave Partners | NXDN | NEXEDGE 4800 | Statewide | Multi-County [17] | 2024-08-31 |
| Gillette Stadium | DMR | Motorola Capacity Plus Single Site (TRBO) | Foxboro | Norfolk | 2023-09-10 |
| Gordon Food Services | DMR | Motorola Capacity Plus Single Site (TRBO) | Taunton | Bristol | 2022-07-11 |
| Great Wolf Lodge | DMR | Motorola Capacity Plus Single Site (TRBO) | Fitchburg | Worcester | 2024-05-23 |
| Halifax Municipal | DMR | Motorola Capacity Plus Single Site (TRBO) | Halifax | Plymouth | 2020-03-09 |
| Harvard University | DMR | Motorola Capacity Plus Single Site (TRBO) | Cambridge | Multi-County [2] | 2021-04-16 |
| Industrial Communications and Electronics | DMR | Motorola Connect Plus (TRBO) | Regional | Multi-County [16] | 2024-09-02 |
| Industrial Communications and Electronics (ICE) - DMR T3 | DMR | Tier 3 Non-Standard | Marshfield | Multi-County [5] | 2024-03-23 |
| JetBlue (BOS) | DMR | Tier 3 Standard | Boston | Suffolk | 2024-09-02 |
| Ludlow Municipal Trunk | Project 25 | Phase II | Ludlow | Hampden | 2023-01-14 |
| Marshfield Municipal | DMR | Motorola Capacity Plus Single Site (TRBO) | Marshfield | Plymouth | 2022-11-03 |
| Marshfield Municipal (LTR) | LTR | Standard | Marshfield | Plymouth | 2022-01-30 |
| Massachusetts Bay Transit Authority | EDACS | Extended Addressing | Boston | Multi-County [4] | 2024-04-22 |
| Massachusetts Convention Center Authority | DMR | Tier 3 Standard | Boston | Suffolk | 2016-10-18 |
| Massachusetts State Police | Motorola | Type II SmartZone | Statewide | Statewide | 2024-04-17 |
| MGM Grand Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Springfield | Hampden | 2021-03-08 |
| Middleborough Gas & Electric Department (MGED) | DMR | Motorola Capacity Plus Single Site (TRBO) | Middleborough | Plymouth | 2020-08-09 |
| Modern Continental Construction | Motorola | Type II | Boston | Suffolk | 2011-11-22 |
| Nantucket Municipal | Project 25 | Phase II | Nantucket | Nantucket | 2022-06-12 |
| National Grid | Motorola | Type II | Salem | Essex | 2018-05-13 |
| New Bedford Municipal | DMR | Motorola Capacity Plus Single Site (TRBO) | New Bedford | Bristol | 2020-03-05 |
| New Bridge on Charles | DMR | Motorola Capacity Plus Single Site (TRBO) | Dedham | Norfolk | 2022-06-06 |
| North Hill Living Care Inc. | DMR | Conventional Networked | Needham | Norfolk | 2018-03-25 |
| Northampton Municipal | Project 25 | Phase II | Northampton | Hampshire | 2024-09-24 |
| Northeast Utilities | MPT-1327 | Standard | Various | Multi-County [5] | 2020-08-17 |
| Northeast Utilities (EDACS) | EDACS | Narrowband Networked | Various | Multi-County [4] | 2010-10-06 |
| OneVoice MAX | DMR | Tier 3 Non-Standard | Regional | Multi-County [23] | 2024-10-29 |
| OneVoice Network | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [66] | 2024-10-07 |
| Pioneer Valley Transit Authority (PVTA) | NXDN | NEXEDGE 4800 | Springfield | Multi-County [2] | 2021-11-23 |
| Plainridge Park And Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Plainville | Norfolk | 2020-02-02 |
| Quincy Municipal | DMR | Motorola Capacity Plus Single Site (TRBO) | Quincy | Norfolk | 2023-03-03 |
| Ritz-Carlton, Boston Common | LTR | Standard | Boston | Suffolk | 2011-11-22 |
| Six Flags New England | LTR | Standard | Agawam | Hampden | 2023-05-05 |
| Springfield Technical Community College | DMR | Tier 3 Standard | Springfield | Hampden | 2023-11-04 |
| Stop and Shop Distribution Warehouse | DMR | Motorola Capacity Plus Single Site (TRBO) | Assonet (Freetown) | Bristol | 2019-03-31 |
| Superior Cake Products | DMR | Conventional Networked | Southbridge | Worcester | 2022-01-21 |
| TD Garden | DMR | Motorola Capacity Plus Single Site (TRBO) | Boston | Suffolk | 2022-03-30 |
| Three Way Communications (Mt. Tom) | LTR | Standard | Holyoke | Multi-County [2] | 2018-05-13 |
| Tower Communications | LTR | Standard | Holyoke | Multi-County [2] | 2015-10-13 |
| Trinity EMS (Lowell) | LTR | Standard | Lowell | Middlesex | 2010-10-06 |
| UMass Amherst | DMR | Tier 3 Non-Standard | Amherst | Hampshire | 2024-09-24 |
| UMass Memorial Health Alliance | DMR | Motorola Capacity Plus Multi Site (TRBO) | Mulitple | Worcester | 2024-03-21 |
| United States Air Force (157) | Project 25 | Phase I | Various | Multi-County [34] | 2024-11-12 |
| United States Air Force (3D6) | Project 25 | Phase I | Various | Multi-County [24] | 2024-08-01 |
| University of Massachusetts Amherst | LTR | Standard | Amherst | Hampshire | 2011-12-27 |
| USS Bataan LHD-5 | EDACS | Standard | Boston | Suffolk | 2008-07-07 |
| USS Jason Dunham DDG-109 | Project 25 | Phase I | Boston | Suffolk | 2024-07-03 |
| USS Mahan DDG-72 | Motorola | Type II | Boston | Suffolk | 2007-02-10 |
| USS Porter DDG-78 | Motorola | Type II | Boston | Suffolk | 2020-04-13 |
| USS Ramage DDG-61 | Motorola | Type II SmartZone | Boston | Suffolk | 2007-02-15 |
| USS Robert G. Bradley FFG-49 | Motorola | Type II Smartnet | Boston | Suffolk | 2010-11-30 |
| USS Sampson DDG-102 | Motorola | Type II Smartnet | Boston | Suffolk | 2010-03-31 |
| USS Simpson FFG-56 | Motorola | Type II | Boston | Suffolk | 2010-03-31 |
| USS Stephen W. Groves FFG-29 | Motorola | Type II | Boston | Suffolk | 2011-10-12 |
| USS Taylor FFG-50 | Motorola | Type II Smartnet | Boston | Suffolk | 2010-03-31 |
| USS Thomas Hudner DDG-116 | Motorola | Type II | Boston | Suffolk | 2018-12-04 |
| USS Underwood FFG-36 | Motorola | Type II SmartZone | Boston | Suffolk | 2006-06-13 |
| USS Wasp LHD-1 | Motorola | Type II | Boston | Suffolk | 2024-07-03 |
| USS Whidbey Island LSD-41 | EDACS | Standard | Boston | Suffolk | 2017-06-23 |
| WestComm Regional | Project 25 | Phase I | Multiple | Multi-County [2] | 2023-12-16 |
