| 5-City Radio System (P25) | Project 25 | Phase II | Various | Lorain | 2024-11-03 |
| Abbott Laboratories | DMR | Motorola Capacity Plus Single Site (TRBO) | Tipp City | Miami | 2018-03-14 |
| ABX Air | DMR | Hytera XPT | Wilmington | Clinton | 2023-04-21 |
| Advanced Composites | DMR | Motorola Capacity Plus Single Site (TRBO) | Sidney | Shelby | 2018-10-01 |
| Ahresty Wilmington | DMR | Motorola Capacity Plus Single Site (TRBO) | Wilmington | Clinton | 2023-04-21 |
| Akron Children's Hospital | DMR | Motorola Capacity Plus Multi Site (TRBO) | Akron | Summit | 2019-11-05 |
| Alcoa | LTR | Standard | Cleveland | Cuyahoga | 2024-10-06 |
| Amazon Fulfillment Center Etna | DMR | Conventional Networked | Etna | Licking | 2018-11-14 |
| Amazon Fulfillment Center Obetz (CMH2) | DMR | Conventional Networked | Obetz | Franklin | 2020-08-10 |
| American Electric Power (AEP) P25 | Project 25 | Phase II | Various | Multi-County [262] | 2024-07-24 |
| Amylin Ohio | DMR | Motorola Capacity Plus Single Site (TRBO) | West Chester | Butler | 2021-01-18 |
| ARINC (Cincinnati Municipal) | iDEN | Standard | Cincinnati | Hamilton | 2004-10-15 |
| ARINC (Cleveland Hopkins) | iDEN | Standard | Cleveland | Cuyahoga | 2004-10-15 |
| ARINC (Columbus) | iDEN | Standard | Columbus | Franklin | 2016-05-29 |
| Aultman Hospital | DMR | Motorola Capacity Plus Multi Site (TRBO) | Canton | Stark | 2019-10-21 |
| Austintown Schools | NXDN | Icom IDAS Type C | Austintown | Mahoning | 2017-02-11 |
| Austintown/Boardman Joint Public Safety Radio System | Project 25 | Phase I | Austintown | Mahoning | 2024-03-03 |
| Avery Dennison - Cleveland Films Division | DMR | Motorola Capacity Plus Single Site (TRBO) | Mentor | Lake | 2022-06-22 |
| B and C Communications 3 | LTR | Standard | Westerville | Delaware | 2018-07-23 |
| B and C Communications Con+ | DMR | Motorola Connect Plus (TRBO) | Columbus | Franklin | 2018-09-06 |
| B and C Communications Connect Plus (Cleveland) | DMR | Motorola Connect Plus (TRBO) | Various | Cuyahoga | 2019-12-16 |
| BASF Elyria | NXDN | NEXEDGE 9600 | Elyria | Lorain | 2018-04-04 |
| Beachwood Board of Education | DMR | Motorola Capacity Plus Single Site (TRBO) | Beachwood | Cuyahoga | 2024-09-23 |
| Bedford School District | NXDN | NEXEDGE 9600 | Bedford | Cuyahoga | 2024-10-06 |
| Behr Dayton Thermal Products | DMR | Motorola Capacity Plus Single Site (TRBO) | Dayton | Montgomery | 2021-03-28 |
| Belmont County | Project 25 | Phase I | St Clairsville | Belmont | 2022-06-04 |
| Brown County | NXDN | NEXEDGE 9600 | Georgetown | Brown | 2016-04-16 |
| Bucyrus Police | DMR | Conventional Networked | Bucyrus | Crawford | 2018-11-14 |
| CampusParc | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2018-01-21 |
| Carleton Communications | LTR | Standard | Columbus | Franklin | 2011-12-07 |
| Carroll County Energy | DMR | Conventional Networked | Carrollton | Carroll | 2018-04-07 |
| Carrollton Exempted Village Schools | DMR | Conventional Networked | Carrollton | Carroll | 2018-04-24 |
| Cenovus Toledo Refinery | Project 25 | Phase II | Oregon | Lucas | 2024-08-25 |
| Center of Science and Industry (COSI) | LTR | Standard | Columbus | Franklin | 2011-12-07 |
| Central Communications | LTR | Standard | Hilliard | Franklin | 2004-01-09 |
| Chesapeake Energy | DMR | Conventional Networked | various | Multi-County [4] | 2018-09-11 |
| Cincinnati Children's Hospital | DMR | Conventional Networked | Cincinnati | Multi-County [4] | 2018-03-27 |
| Cincinnati Open | DMR | Motorola Connect Plus (TRBO) | Mason | Warren | 2024-08-17 |
| Cincinnati Zoo and Botanical Garden | DMR | Motorola Connect Plus (TRBO) | Cincinnati | Hamilton | 2021-08-23 |
| City of Sharonville | DMR | Motorola Capacity Plus Single Site (TRBO) | Sharonville | Hamilton | 2017-09-27 |
| Clear Connection LLC | DMR | Conventional Networked | Springfield | Clark | 2021-05-15 |
| Cleveland Browns Stadium | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2024-10-07 |
| Cleveland Clinic Foundation | LTR | Standard | Cleveland | Cuyahoga | 2012-09-27 |
| Cleveland Communications (420) | LTR | Standard | Cleveland | Multi-County [2] | 2018-08-26 |
| Cleveland Communications (High Band) | LTR | Standard | Parma | Cuyahoga | 2018-07-30 |
| Cleveland Guardians Baseball Company | NXDN | NEXEDGE 4800 | Cleveland | Cuyahoga | 2024-06-23 |
| Cleveland Mobile Radio Sales | LTR | Standard | Cleveland | Cuyahoga | 2011-12-12 |
| Cleveland State University | LTR | Standard | Cleveland | Cuyahoga | 2015-02-21 |
| Cleveland-Cliffs | EDACS | Standard | Cleveland | Cuyahoga | 2024-02-13 |
| Cleveland-Cliffs (P25) | Project 25 | Phase I | Cleveland | Cuyahoga | 2024-02-13 |
| CODIG (Central Ohio Digital Interconnect Group) DMR | DMR | Conventional Networked | Columbus | Franklin | 2022-08-09 |
| COIRS (Central Ohio Interoperable Radio System) | Project 25 | Phase I | Delaware | Multi-County [2] | 2024-06-23 |
| Columbus Crew | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2021-07-23 |
| Columbus Public Schools | LTR | Standard | Columbus | Franklin | 2011-12-12 |
| Columbus Zoo and Aquarium | DMR | Motorola Capacity Plus Single Site (TRBO) | Powell | Delaware | 2021-05-23 |
| Communications Service OH | DMR | Motorola Capacity Plus Single Site (TRBO) | Thompson | Multi-County [3] | 2024-10-25 |
| Comtech Canal WInchester | LTR | Standard | Canal Winchester | Multi-County [2] | 2015-12-14 |
| Comtech Columbus UHF | LTR | Standard | Columbus | Franklin | 2016-09-08 |
| Comtech Columbus VHF 1 | LTR | Standard | Columbus | Franklin | 2016-01-07 |
| Comtech Columbus VHF 2 | LTR | Standard | Columbus | Franklin | 2015-12-14 |
| Comtech Jersey UHF | LTR | Standard | Jersey | Multi-County [2] | 2015-12-14 |
| Comtech Jersey VHF | LTR | Standard | Jersey | Multi-County [2] | 2015-12-14 |
| Crawford County SO | DMR | Conventional Networked | Bucyrus | Crawford | 2018-09-04 |
| Cuyahoga Community College | DMR | Motorola Capacity Plus Multi Site (TRBO) | Cleveland | Cuyahoga | 2020-01-25 |
| Cuyahoga County Public Library | EDACS | SCAT | Warrensville Heights | Cuyahoga | 2011-12-12 |
| Cuyahoga Falls | Motorola | Type II Smartnet | Cuyahoga Falls | Summit | 2022-06-20 |
| Dayton Children's Hospital | DMR | Motorola Capacity Plus Multi Site (TRBO) | Dayton | Montgomery | 2023-11-09 |
| Defense Logistics Agency | Project 25 | Phase II | Various | Multi-County [4] | 2023-08-22 |
| Delaware County Engineer | DMR | Motorola Capacity Plus Single Site (TRBO) | Delaware | Delaware | 2024-11-20 |
| Delphi Automotive Systems (Warren) | Motorola | Type II Smartnet | Warren | Trumbull | 2008-04-29 |
| DeltaCom | NXDN | NEXEDGE 4800 | Varies | Multi-County [15] | 2024-07-14 |
| Denison University | LTR | Standard | Granville | Licking | 2008-09-01 |
| DHL Information Services | LTR | Standard | Wilmington | Clinton | 2007-12-20 |
| DMAX LTD | DMR | Motorola Connect Plus (TRBO) | Moraine | Montgomery | 2023-03-19 |
| DMAX, Ltd. | DMR | Motorola Capacity Plus Multi Site (TRBO) | Brookville | Montgomery | 2024-09-16 |
| Domer Communications | LTR | Standard | Cleveland | Cuyahoga | 2018-11-22 |
| Domer Communications (Akron) | LTR | Standard | Akron | Summit | 2018-11-22 |
| Domer Communications (Canton) | LTR | Standard | Canton | Stark | 2018-10-08 |
| Domer Communications (Mantua Corners) | LTR | Standard | Mantua Corners | Portage | 2017-07-31 |
| Domer Communications (Salem) | LTR | Standard | Salem | Multi-County [2] | 2016-07-02 |
| Domer Communications (Sugarcreek) | LTR | Standard | Sugarcreek | Holmes | 2016-06-17 |
| Domer Communications NE Ohio | NXDN | NEXEDGE 9600 | Various | Multi-County [11] | 2023-12-20 |
| Dublin City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Dublin | Franklin | 2024-03-14 |
| Duke Energy P25 | Project 25 | Phase II | Various | Multi-County [141] | 2024-10-26 |
| Duke Energy Woodsdale Generating Station | DMR | Motorola Capacity Plus Single Site (TRBO) | Trenton | Butler | 2018-04-28 |
| Easton Town Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2024-05-06 |
| Eaton City Schools | DMR | Conventional Networked | Eaton | Preble | 2018-11-10 |
| Eddie Bauer Fulfillment Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Obetz | Franklin | 2018-09-24 |
| Eldorado Scioto Downs | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2017-01-01 |
| Electrocomm (Cleveland 1) | LTR | Standard | Beachwood | Cuyahoga | 2018-08-30 |
| Electrocomm (Cleveland 2) | LTR | Standard | Cleveland | Cuyahoga | 2018-11-28 |
| Electrocomm (Columbus) | LTR | Standard | Columbus | Franklin | 2011-12-12 |
| Electrocomm (Mantua) | LTR | Standard | Mantua | Portage | 2011-12-12 |
| Electrocomm UHF NEOH (NXDN) | NXDN | NEXEDGE 9600 | Various | Multi-County [2] | 2018-08-31 |
| Elkton FCI (Federal Correctional Institution) | Motorola | Type II Smartnet | Elkton | Columbiana | 2020-10-28 |
| Euclid Board of Education | DMR | Motorola Capacity Plus Single Site (TRBO) | Euclid | Cuyahoga | 2024-09-23 |
| Fairfield County Sheriff (OH) | DMR | Conventional Networked | Lancaster | Fairfield | 2017-10-29 |
| FCA US: Toledo | DMR | Motorola Capacity Plus Multi Site (TRBO) | Toledo | Lucas | 2020-09-24 |
| FELHC (Ohio Edison) | Motorola | Type II SmartZone | Various | Multi-County [7] | 2019-12-13 |
| Fiat-Chrysler Automobiles | DMR | Motorola Capacity Plus Single Site (TRBO) | Perrysburg | Wood | 2024-10-14 |
| Ford Plant (Avon Lake) | DMR | Motorola Capacity Plus Single Site (TRBO) | Avon Lake | Lorain | 2024-06-29 |
| Ford Plant (Avon Lake) - old | Motorola | Type II Smartnet | Avon Lake | Lorain | 2024-06-29 |
| Ford Plant (Brookpark) | Motorola | Type II Smartnet | Brookpark | Cuyahoga | 2011-12-17 |
| FRAM Group Operations | NXDN | NEXEDGE 4800 | Greenville | Darke | 2018-04-05 |
| Franklin City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Franklin | Warren | 2021-01-23 |
| Fred Luxenberg | LTR | Standard | Parma, OH | Cuyahoga | 2018-12-22 |
| Futronics (420 MHz) | LTR | Standard | Various | Lucas | 2012-08-17 |
| Futronics Connect Plus (Holmes Co) | DMR | Motorola Connect Plus (TRBO) | Various | Holmes | 2022-12-21 |
| Futronics UHF Connect Plus (OH-WV-PA-MI) | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [33] | 2024-10-05 |
| Futronics VHF | LTR | Standard | Varies | Wayne | 2014-03-27 |
| Futronics VHF Cap+ (Medina OH) | DMR | Motorola Capacity Plus Single Site (TRBO) | Medina | Medina | 2019-01-21 |
| Garfield Heights City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Garfield Heights | Cuyahoga | 2018-11-23 |
| GCRCN (Greater Cleveland Radio Communications Network) | Project 25 | Phase I | Cleveland | Cuyahoga | 2024-08-23 |
| GCRTA (Greater Cleveland Regional Transit Authority) | EDACS | Networked Standard | Cleveland | Multi-County [3] | 2020-10-28 |
| General Motors (USA) | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [13] | 2024-10-22 |
| General Motors Research (Lordstown) | Motorola | Type II Smartnet | Lordstown | Trumbull | 2004-06-20 |
| General Motors Research (Toledo) | Motorola | Type II Smartnet | Toledo | Lucas | 2004-01-09 |
| General Motors Research Corporation PC Plant 94 | DMR | Motorola Capacity Plus Single Site (TRBO) | West Chester Township | Butler | 2017-10-17 |
| General Motors Research Corporation Supply Warehouse | DMR | Motorola Capacity Plus Single Site (TRBO) | West Chester Township | Butler | 2017-10-17 |
| Gilmour Academy | DMR | Motorola Capacity Plus Single Site (TRBO) | Gates Mills | Cuyahoga | 2024-09-23 |
| Goodyear Tire and Rubber DMR | DMR | Motorola Capacity Plus Single Site (TRBO) | Akron | Summit | 2018-08-26 |
| Great Wolf Lodge | DMR | Motorola Capacity Plus Single Site (TRBO) | Mason | Warren | 2024-09-19 |
| Great Wolf Lodge (Sandusky) | DMR | Motorola Capacity Plus Single Site (TRBO) | Sandusky | Erie | 2024-06-23 |
| Greater Columbus Convention Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2021-10-20 |
| Greene County Corrections | DMR | Conventional Networked | Xenia | Greene | 2019-11-09 |
| Hamercheck Communications Inc | LTR | Standard | Cleveland | Cuyahoga | 2011-12-17 |
| Hard Rock Casino Cincinnati | DMR | Motorola Capacity Plus Single Site (TRBO) | Cincinnati | Hamilton | 2021-05-02 |
| Hard Rock Rocksino | DMR | Motorola Capacity Plus Single Site (TRBO) | Northfield | Summit | 2018-11-22 |
| Hilton Cleveland Downtown | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2024-10-07 |
| Hollywood Casino Columbus | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2017-01-09 |
| Hollywood Casino Toledo | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2023-04-04 |
| Hollywood Gaming at Dayton Raceway | DMR | Motorola Capacity Plus Single Site (TRBO) | Dayton | Montgomery | 2016-11-02 |
| Honda Motor Manufacturing (Anna) | DMR | Motorola Capacity Plus Single Site (TRBO) | Anna | Shelby | 2017-08-12 |
| Huron County (P25) | Project 25 | Phase II | Norwalk | Huron | 2024-05-06 |
| Husky Energy Lima Refinery | DMR | Motorola Connect Plus (TRBO) | Lima | Allen | 2019-10-24 |
| Independence Communications (Cleveland 1) | LTR | Standard | Cleveland | Cuyahoga | 2011-12-17 |
| Independence Communications (Cleveland 3) | LTR | Standard | Cleveland | Cuyahoga | 2011-12-17 |
| INEOS Nitriles Lima | DMR | Motorola Connect Plus (TRBO) | Lima | Allen | 2016-06-23 |
| Jack Casino | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2024-01-29 |
| Jack Thistledown Racino | DMR | Motorola Capacity Plus Single Site (TRBO) | North Randall, OH | Cuyahoga | 2021-05-04 |
| Jackson City Schools | DMR | Conventional Networked | Jackson | Jackson | 2020-11-18 |
| Jackson County Ohio Public Safety | DMR | Conventional Networked | various | Jackson | 2022-01-28 |
| Jackson Local Schools | DMR | Conventional Networked | Masillon | Stark | 2023-08-16 |
| James M. Cox Dayton International Airport | LTR | Standard | Dayton | Montgomery | 2011-06-05 |
| John Carroll University | DMR | Motorola Capacity Plus Single Site (TRBO) | University Heights | Cuyahoga | 2019-01-10 |
| John Paul Jones | LTR | Standard | Lorain | Lorain | 2004-10-25 |
| Kalahari Resorts | LTR | Standard | Sandusky | Erie | 2011-12-17 |
| KD8EVR Knox County DMR | DMR | Conventional Networked | Mount Vernon | Knox | 2017-09-14 |
| Kenyon College | DMR | Motorola Capacity Plus Multi Site (TRBO) | Gambier | Knox | 2022-02-19 |
| Kettering Health Network (KHN) | DMR | Motorola Capacity Plus Multi Site (TRBO) | Kettering | Multi-County [7] | 2023-06-13 |
| Knox County Ham DMR | DMR | Conventional Networked | Mount Vernon | Knox | 2017-08-28 |
| Kohl's Distribution Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Monroe | Butler | 2022-10-23 |
| Kroger Company | DMR | Motorola Capacity Plus Single Site (TRBO) | Monroe | Butler | 2024-11-05 |
| Lake Health System | DMR | Conventional Networked | Various | Multi-County [2] | 2022-02-25 |
| Lakeland Community College | DMR | Motorola Capacity Plus Single Site (TRBO) | Kirtland | Lake | 2022-02-20 |
| Lauttamus (T3) | DMR | Tier 3 Capacity Max | Various | Multi-County [9] | 2024-11-17 |
| Limited Brands Logistics Services | DMR | Motorola Capacity Plus Multi Site (TRBO) | various | Franklin | 2019-02-06 |
| Longaberger Company | Motorola | Type II Smartnet | Dresden | Muskingum | 2009-08-04 |
| Lubrizol (DMR T3) | DMR | Tier 3 Capacity Max | Wickliffe and Painesville | Lake | 2024-07-02 |
| Mahoning Valley Race Course | DMR | Motorola Capacity Plus Single Site (TRBO) | Youngstown | Mahoning | 2016-06-12 |
| Marathon Patroleum (CAPMAX) | DMR | Tier 3 Capacity Max | Canton | Stark | 2024-08-26 |
| Marion City Schools | DMR | Conventional Networked | Marion | Marion | 2018-08-26 |
| Marion County | LTR | Standard | Marion | Marion | 2020-10-28 |
| McAfee Communications Inc. | LTR | Standard | Celina | Mercer | 2018-11-10 |
| McAfees Communication Service | LTR | Standard | Lima | Allen | 2015-04-29 |
| McKinley Senior High School | DMR | Conventional Networked | Canton | Stark | 2018-09-26 |
| Mercy Health | DMR | Motorola Capacity Plus Single Site (TRBO) | Kings Mill | Warren | 2024-05-12 |
| Mercy Regional Medical Center | LTR | Standard | Lorain | Lorain | 2018-11-14 |
| Miami Valley Gaming and Racing | DMR | Motorola Capacity Plus Single Site (TRBO) | Lebanon | Warren | 2023-11-22 |
| Miami Valley Hospital | DMR | Motorola Capacity Plus Single Site (TRBO) | Dayton | Montgomery | 2021-12-07 |
| Miamisburg City Schools | DMR | Motorola Capacity Plus Multi Site (TRBO) | Miamisburg | Montgomery | 2024-02-24 |
| Michigan's Public Safety Communications System (MPSCS) | Project 25 | Phase II | Statewide | Statewide | 2024-11-20 |
| Middletown City Schools | DMR | Conventional Networked | Middletown | Butler | 2022-08-21 |
| Midport Electronics | LTR | Standard | Toledo | Lucas | 2009-01-17 |
| Midport Electronics (420) | LTR | Standard | Toledo | Lucas | 2018-06-24 |
| Midport Electronics (UHF) | LTR | Standard | Toledo | Lucas | 2011-12-20 |
| Miller Communications | LTR | Standard | Marietta | Washington | 2010-12-18 |
| Miller Communications (Vienna) | LTR | Standard | Vienna | Multi-County [2] | 2010-06-10 |
| Mitchell Communications (Mogadore 1) | LTR | Standard | Mogadore | Portage | 2017-06-28 |
| Mitchell Communications (Mogadore 2) | LTR | Standard | Mogadore | Portage | 2017-06-17 |
| MobilComm | Motorola | Type II | Cincinnati | Hamilton | 2012-07-11 |
| Mobilcomm (LTR) | LTR | Standard | Cincinnati | Hamilton | 2014-05-24 |
| Mobilcomm (Mount Repose) | LTR | Standard | Mount Repose | Clermont | 2011-12-20 |
| Mobilcomm (TRBO) | DMR | Motorola Connect Plus (TRBO) | Cincinnati | Multi-County [8] | 2022-11-12 |
| Molson Coors Brewing Company (Trenton) | DMR | Motorola Capacity Plus Single Site (TRBO) | Trenton | Butler | 2021-09-26 |
| Monte Cielo Sound | LTR | Standard | Lisbon | Columbiana | 2016-02-01 |
| NASA John Glenn Research Center | Project 25 | Phase I | Brookpark | Cuyahoga | 2024-10-24 |
| Nationwide Children's Hospital | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2024-03-15 |
| Nationwide Children\'s Hospital | LTR | Standard | Columbus | Franklin | 2011-12-25 |
| Navistar International Inc | EDACS | Narrowband | Springfield | Clark | 2011-12-20 |
| Nickolas Savko and Sons Construction | DMR | Motorola Capacity Plus Single Site (TRBO) | Westerville | Delaware | 2024-10-08 |
| North Coast Two Way DMR (Cleveland) | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2019-12-16 |
| North Coast Two Way DMR (Warrensville Hgts) | DMR | Motorola Capacity Plus Single Site (TRBO) | Warrensviille Heights | Cuyahoga | 2019-12-13 |
| Northcoast Two-Way Radio Inc (1) | LTR | Standard | Warrensville Heights | Cuyahoga | 2018-05-27 |
| Northcoast Two-Way Radio Inc (2) | LTR | Standard | Cleveland | Cuyahoga | 2017-05-30 |
| Northern Kentucky Regional Communications System (NKYRCS) | Project 25 | Phase II | Various | Multi-County [7] | 2024-06-04 |
| Northmont City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Englewood | Montgomery | 2024-10-08 |
| Northwest Local School District | DMR | Motorola Capacity Plus Multi Site (TRBO) | Cincinnati | Hamilton | 2024-09-16 |
| Northwest Ohio Regional Public Safety System | Project 25 | Phase I | Toledo | Multi-County [4] | 2024-08-10 |
| Ohio Expositions Commission | LTR | Standard | Columbus | Franklin | 2011-12-20 |
| Ohio Health DMR | DMR | Motorola Capacity Plus Multi Site (TRBO) | Columbus | Multi-County [3] | 2023-02-02 |
| Ohio MARCS-IP: Mobile Site 5A1 | Project 25 | Phase I | Statewide | Itinerant | 2021-10-23 |
| Ohio MARCS-IP: Mobile Site 649 | Project 25 | Phase I | Statewide | Itinerant | 2024-08-17 |
| Ohio MARCS-IP: Multi-Agency Radio Communications | Project 25 | Phase I | Statewide | Statewide | 2024-11-20 |
| Olentangy Local Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Lewis Center | Delaware | 2024-10-08 |
| Osborne Concrete and Stone (Medina) | DMR | Conventional Networked | Medina | Medina | 2019-04-20 |
| Osborne Concrete and Stone (Portage) | DMR | Conventional Networked | Kent | Portage | 2018-11-30 |
| P and R Communication Service, Inc. | Motorola | Type IIi Hybrid | Dayton | Montgomery | 2018-07-23 |
| P and R Communications CapMax | DMR | Tier 3 Capacity Max | Dayton | Multi-County [22] | 2024-10-05 |
| P and R Communications Connect Plus (Ohio) | DMR | Motorola Connect Plus (TRBO) | Various | Multi-County [15] | 2022-09-11 |
| Painesville Utilities | DMR | Motorola Capacity Plus Single Site (TRBO) | Painesville | Lake | 2019-11-16 |
| Parma | EDACS | Standard | Parma | Cuyahoga | 2015-03-29 |
| Parma / Medina County / Ottawa County | Project 25 | Phase II | Parma | Multi-County [3] | 2024-11-13 |
| Parma City School District | DMR | Motorola Capacity Plus Single Site (TRBO) | Parma | Cuyahoga | 2024-10-06 |
| Paulding County Government | LTR | Standard | Paulding | Paulding | 2019-03-30 |
| Paulding-Putnam REA (Rural Electrification Agency) | DMR | Conventional Networked | Paulding | Multi-County [2] | 2017-06-19 |
| Paycor Stadium | DMR | Motorola Capacity Plus Single Site (TRBO) | Cincinnati | Hamilton | 2024-09-23 |
| Perry Local Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Perry | Lake | 2022-02-27 |
| Pickerington | LTR | Standard | Pickerington | Fairfield | 2011-12-21 |
| POET Biorefining | DMR | Conventional Networked | Marion | Marion | 2018-08-25 |
| Polaris Fashion Place | DMR | Conventional Networked | Columbus | Delaware | 2018-09-24 |
| PPG Industries | DMR | Motorola Capacity Plus Single Site (TRBO) | Barberton | Summit | 2018-11-24 |
| Procter and Gamble | DMR | Motorola Capacity Plus Multi Site (TRBO) | Cincinnati | Multi-County [2] | 2023-05-07 |
| Progressive Casualty Insurance Company | LTR | Standard | Mayfield Village | Cuyahoga | 2011-12-21 |
| ProMedica | DMR | Motorola Capacity Plus Multi Site (TRBO) | Toledo | Multi-County [6] | 2024-06-25 |
| R.E.M. Communications (LTR) | LTR | Standard | Columbus | Franklin | 2017-03-19 |
| R.E.M. Communications (NXDN) | NXDN | NEXEDGE 9600 | Columbus | Franklin | 2021-11-14 |
| Radio Hospital | LTR | Standard | Findlay/Lima | Multi-County [2] | 2018-09-17 |
| Radio Link Communications 1 | LTR | Standard | Various | Multi-County [2] | 2018-11-22 |
| Radio Link Communications 3 | LTR | Standard | Various | Lorain | 2011-03-04 |
| Ray's Electronics 1 | LTR | Standard | Sandusky | Erie | 2017-06-19 |
| Ray's Electronics 2 | LTR | Standard | Various | Multi-County [2] | 2011-03-04 |
| RG Sound Communications (Celina) | LTR | Standard | Celina | Mercer | 2021-10-23 |
| RG Sound Communications (Lima) | LTR | Standard | Lima | Allen | 2021-10-23 |
| Ridell | DMR | Motorola Capacity Plus Multi Site (TRBO) | North Ridgeville, OH | Lorain | 2019-05-25 |
| Roberts Arena (World Equestrian Center) | DMR | Motorola Capacity Plus Single Site (TRBO) | Wilmington | Clinton | 2024-10-29 |
| Rock and Roll Hall of Fame | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2024-10-07 |
| Rocket Mortgage FieldHouse | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2019-04-11 |
| Royal Canin | DMR | Motorola Capacity Plus Single Site (TRBO) | Lewisburg | Preble | 2021-07-02 |
| Shelby County P25 | Project 25 | Phase II | Various | Shelby | 2024-04-16 |
| Smart Link (Futronics) | Motorola | Type IIi Hybrid | Toledo | Lucas | 2018-08-26 |
| Smart Link Systems | LTR | Standard | Various | Multi-County [10] | 2021-08-23 |
| Smart Link Systems (NXDN) | NXDN | NEXEDGE 9600 | Toledo | Lucas | 2024-09-06 |
| South Summit County | Motorola | Type II Smartnet | Green | Summit | 2022-03-27 |
| Southeast Ohio Regional Medical Center | LTR | Standard | Cambridge | Guernsey | 2018-02-07 |
| Southwest Ohio Regional Transit Authority | Motorola | Type II Smartnet | Cincinnati | Hamilton | 2014-03-26 |
| Southwest Ohio Regional Transit Authority (SORTA) | DMR | Motorola Connect Plus (TRBO) | Cincinnati | Multi-County [2] | 2021-03-31 |
| Southwestern City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Grove City | Franklin | 2018-01-12 |
| Springboro Community City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Springboro | Warren | 2019-10-27 |
| Staley Communications (Austintown) | LTR | Standard | Austintown | Mahoning | 2022-10-06 |
| Strongsville Board of Education | DMR | Motorola Capacity Plus Single Site (TRBO) | Strongsville | Cuyahoga | 2024-10-08 |
| Summit Behavioral Healthcare | LTR | Standard | Cincinnati | Hamilton | 2022-10-17 |
| Suncoke Energy - Middletown | DMR | Motorola Capacity Plus Single Site (TRBO) | Middletown | Butler | 2018-07-21 |
| Target Stores Regional Distribution Center T3804 | NXDN | NEXEDGE 4800 | West Jefferson | Madison | 2024-10-08 |
| The Ohio State University Airport | DMR | Motorola Capacity Plus Single Site (TRBO) | Columbus | Franklin | 2019-07-07 |
| Timken Steel | NXDN | NEXEDGE 4800 | Canton | Stark | 2024-08-20 |
| Tipp City Government | NXDN | Icom IDAS Type C | Tipp City | Miami | 2019-05-14 |
| Toledo Area Rapid Transit Authority (TARTA) | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2017-08-17 |
| Toledo Board of Education (Public Schools) | LTR | Standard and Passport | Toledo | Lucas | 2011-12-22 |
| Toledo City Services | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2017-02-17 |
| Toledo Museum of Art (DMR) | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2017-07-29 |
| Toledo Refining | DMR | Motorola Connect Plus (TRBO) | Toledo | Lucas | 2024-06-29 |
| Toledo Zoo | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2024-06-29 |
| Tri City Communications | LTR | Standard | Akron | Summit | 2017-06-28 |
| TRIconneX Connect Plus (WV-PA-OH) | DMR | Motorola Connect Plus (TRBO) | WV-PA-OH | Multi-County [27] | 2024-06-27 |
| Trillium Farms | DMR | Motorola Capacity Plus Single Site (TRBO) | Johnstown, OH | Licking | 2024-10-08 |
| UH Ahuja Medical Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Beachwood | Cuyahoga | 2024-09-23 |
| UH Elyria Medical Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Elyria | Lorain | 2024-09-29 |
| Union Tank Car | DMR | Conventional Networked | Marion | Marion | 2018-04-21 |
| United Airlines (Cleveland) | DMR | Motorola Capacity Plus Single Site (TRBO) | Cleveland | Cuyahoga | 2024-09-23 |
| 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 Circle, Inc | Motorola | Type II Smartnet | Cleveland | Cuyahoga | 2009-04-12 |
| University Hospitals - Geauga Medical Center | DMR | Motorola Capacity Plus Single Site (TRBO) | Chardon | Geauga | 2018-02-12 |
| University Hospitals of Cleveland | DMR | Motorola Capacity Plus Multi Site (TRBO) | | Cuyahoga | 2024-09-23 |
| University of Akron | NXDN | NEXEDGE 4800 | various | Multi-County [3] | 2022-06-20 |
| University of Cincinnati | DMR | Motorola Capacity Plus Single Site (TRBO) | Cincinnati | Hamilton | 2019-12-11 |
| University of Cincinnati Health | DMR | Conventional Networked | Cincinnati/West Chester | Multi-County [2] | 2023-12-14 |
| University of Toledo - UTMC (DMR) | DMR | Motorola Capacity Plus Single Site (TRBO) | Toledo | Lucas | 2019-07-29 |
| Upper Valley Medical Center | LTR | Standard | Troy | Miami | 2015-02-13 |
| Utica East Ohio Midstream (M4 Midstream) | DMR | Conventional Networked | Various | Multi-County [3] | 2018-11-30 |
| Vandalia-Butler Board of Education | DMR | Motorola Capacity Plus Single Site (TRBO) | Vandalia | Montgomery | 2019-09-15 |
| Vasu Communications LTR | LTR | Standard | Avon | Lorain | 2024-09-28 |
| Vasu Communications NEXEDGE96 | NXDN | NEXEDGE 9600 | Various | Ashland | 2024-10-06 |
| Vincent Bak | LTR | Standard | Cleveland | Cuyahoga | 2007-12-20 |
| W/S Electronics | Project 25 | Phase I | Springfield, OH | Clark | 2017-12-20 |
| W/S Electronics EDACS | EDACS | Standard | Xenia | Multi-County [2] | 2018-06-07 |
| Warren | Motorola | Type II Smartnet | Warren | Trumbull | 2013-09-03 |
| Warren County Career Center | DMR | Conventional Networked | Lebanon | Warren | 2019-09-12 |
| Wenigs, Inc. | DMR | Conventional Networked | Marion | Marion | 2018-01-29 |
| Western Reserve Communications | LTR | Standard | Cleveland | Cuyahoga | 2018-05-27 |
| Westerville City Schools | DMR | Hytera XPT | Westerville | Franklin | 2024-10-06 |
| Westfield Group | DMR | Motorola Capacity Plus Multi Site (TRBO) | Westfield Center | Medina | 2021-08-31 |
| Worthington City Schools | DMR | Motorola Capacity Plus Single Site (TRBO) | Worthington | Franklin | 2018-01-21 |
