Great Lakes members are found in many parts of the United States. Please check the list below for the member nearest you. Companies in red are clickable links to their web sites.
 | States A - I |
| States K - L |
| States M |
| States N - O |
| States P |
| States R - T |
| States U - W |
| CT | Stanford | Radio Communications Service | 203-329-1000 |
| FL | Lakeland | WLAK Communications | 941-665-5105 |
| FL | Sarasota | Goff Communications | 941-955-7106 |
| GA | Atlanta | Atlanta Communications | 404-875-9316 |
| IA | Cedar Rapids | Communications Engineering Co. | 319-364-0271 |
| IA | Clinton | Lectronics, Inc. | 319-242-1223 |
| IA | Des Moines | Electronic Engineering | |
| IA | Dubuque | Hansen Communications, Inc. | 319-582-4858 |
| IA | Hiawatha | Communications Engineering Co. | |
| IA | Ottumwa | McCall Communications, Inc. | 515-684-6566 |
| IA | Perry | Spring Valley Radio | 515-465-4089 |
| IA | Spencer | Alpha Wireless Communications | 712-262-4001 |
| IA | Waterloo | Iowa Radio Service | 319-233-3905 |
| IA | West Burlington | Electronic Applications Co. | 319-752-2435 |
| IL | Chicago (Elmhurst) | Chicago Communications | 630-832-3311 |
| IL | Chicago Heights | Hahn & Coe | 708-755-4784 |
| IL | Decatur | ||
| IL | Galesburg | Supreme Radio Communications | 309-343-3476 |
| IL | Macomb | Supreme Radio Communications | 309-833-2964 |
| IL | Makanda | Walker Communications | 618-529-3301 |
| IL | Peoria | Supreme Radio Communications | 309-682-0831 |
| IN | Bloomington | B&L Communication, Inc. | 812-339-5208 |
| IN | Elkhart | ERS | 800-393-0615 219-293-0615 |
| IN | Fort Wayne | ERS | 800-377-9114 219-747-0584 |
| IN | Indianapolis | ERS | 800-535-2182 317-248-9400 |
| IN | Kokomo | ERS | 800-232-4276 765-459-0328 |
| IN | Lafayette | Ra-Comm, Inc. | 765-742-1229 |
| IN | Ligonier | Emergency Radio Service, Inc. - ERS | 219-894-4145 |
| IN | Muncie | ERS | 800-937-2346 765-286-1610 |
| IN | Munster | Miner Electronics, Inc. | 219-924-1765 |
| IN | New Castle | Thompson Communications & Electronics | 317-529-6737 |
| IN | South Bend | Tele-Rad | 800-966-5613 |
| KS | Colby | K.N. Communication Service | 913-462-7612 |
| KS | Eureka | Brown's Two Way Radio Service | 316-583-5742 |
| KS | Great Bend | Mobile Radio Service, Inc. | 620-793-5443 |
| KS | Hays | Hays Communication Service, Inc. | 785-625-2119 |
| KS | |||
| KS | Topeka | TFM Comm | 785-233-2343 |
| KY | Bowling Green | Mobile Communication Service | 502-843-3519 |
| KY | Central City | West Ky 2-Way Radio, Inc. | 502-754-1441 |
| KY | Corbin | Corbin Communications, Inc. | 606-523-0528 |
| KY | Louisville | Radio Communications Systems | 502-587-7384 |
| KY | Owensboro | Ohio Valley 2-Way Radio, Inc. | 502-683-4963 |
| KY | Paducah | Jackson Purchase 2-Way Radio | 502-443-6618 |
| KY | Prestonsburg | Big Sandy Two-Way Comm | |
| LA | Lake Charles | Louisiana Radio Communications, Inc. | 318-436-7573 800-527-2346 |
| LA | Shreveport | Shreveport Communication Service | 318-425-5977 |
| MD | Edgewater | Wilmer's Communications, Inc. | 410-956-3533 |
| MD | Kensington | Teltronic, Inc. | 301-468-6500 |
| MD | Salisbury | Caldabaugh Communications, Inc. | 410-742-1185 |
| MD | Westminster | North Carroll Communications | 410-876-1188 |
| ME | Calais | PCT Communications | 207-454-2174 |
| MI | Ann Arbor | Electronics Service Center, Inc. | 313-662-1247 |
| MI | Battle Creek | Radio Communication, Inc. | 616-963-4171 |
| MI | Bay City | Anderson Radio | 517-684-9969 |
| MI | Flint (Flushing) | Blumerich Communication Service E-Mail Blumerich |
810-659-5000 |
| MI | Grand Rapids | Tele-Rad | 616-452-4591 |
| MI | Holland | Tele-Rad | 616-396-3541 800-456-5619 |
| MI | Jackson | Troup Electronics, Inc. | 517-796-8000 |
| MI | Kalamazoo | Roe Communications, Inc. | 616-327-1045 |
| MI | Lansing | State Electronics | 517-484-5114 |
| MI | Lincoln Park | Communications Engineering & Supply | 313-388-0076 |
| MI | Livonia | Mobile Communication Services, Inc. | 734-427-9400 |
| MI | Marquette | El-Com Services, Inc. | 906-228-5255 |
| MI | Monroe | Herkimer Radio Service | 734-242-0806 |
| MI | Rochester | ComSource, Inc. | 248-853-5430 |
| MI | Saranac | Chrouch communications, Inc. | 616-642-3881 |
| MI | Traverse City | Tele-Rad | 616-947-8330 |
| MN | Brainerd | Martin Communications, Inc. | 218-829-6007 |
| MN | Burnsville | Ancom Technical Center | 952-808-0033 |
| MN | Faribault | Whitewater Wireless | 507-334-6481 |
| MN | |||
| MN | Marshall | Alpha Wireless Communications Co. | 507-532-5291 |
| MN | North Mankato | Alpha Wireless Communications Co. | 507-625-6720 |
| MN | Rochester | Whitewater Wireless | |
| MN | St. Cloud | Granite Electronics, Inc. | 320-252-1887 |
| MN | St. Paul | ||
| MN | St. Paul | ||
| MN | Willmar | West Central Communication, Inc. | 320-235-0811 |
| MN | Winona | Whitewater Wireless | 507-452-5422 |
| MO | Arnold | Electronic Industries South, Inc. | 314-464-5888 |
| MO | Butler | Western Communications Service | 660-679-4184 |
| MO | Cape Girardeau | JCS/Tel-Link | 573-335-5555 |
| MO | Columbia | MO. COMM. Electronics, Inc. | 573-442-0672 |
| MO | Kansas City | Commenco, Inc. | 816-753-2166 |
| MO | St. Louis (Maryland Heights) | St. Louis Electronics, Inc. | 314-615-3160 |
| MO | Sedalia | Central Communications Service Co. | 660-826-6747 |
| MO | Springfield | Radiophone Engineering, Inc. | 417-862-6653 |
| NC | New Bern | Coastal Communications | 919-637-3167 |
| ND | Fargo | Elder's Radio Communications, Inc. | 701-293-9561 |
| ND | Grand Forks | Stone's Mobile Radio, Inc. | 701-772-6691 |
| NE | Imperial | Prairie States Communications, Inc. | 308-882-4694 |
| NE | Kearney | Platte Valley Comm. of Kearney | |
| NE | North Platte | Twin Valley Communications | |
| NH | Gilford | Lily Pond Communications | 603-524-3321 |
| NJ | Chester | Communications Service Integrators | |
| NJ | Saddle Brook | Henry Brothers Electronics, Inc. | 201-794-6500 |
| NY | Argyle | Dennis Communications | 518-638-8570 |
| NY | Auburn | Finger Lakes Communications | 315-252-9478 |
| NY | Binghamton | Tri-County Communications, Inc. | 607-432-1125 |
| NY | Buffalo | Kenilworth Electronics Co. | 716-837-6666 |
| NY | Elmira | Midstate C&E, Inc. | 800-926-7277 |
| NY | Jamestown | RAMCO | 716-487-0131 |
| NY | Oneonta | Tri-County Communications, Inc. | 607-432-1125 |
| NY | Oriskany | Midstate C&E, Inc. | 315-736-3061 |
| NY | Plattsburgh | Wells Communication Service | |
| NY | Rochester | Flower City Communications, Inc. | 716-458-5350 |
| NY | Syracuse | United Radio, Inc. | 315-446-7181 |
| NY | Troy | Wells Communication Service | 518-283-2735 |
| NY | West Babylon | Multi-Media Communications | 516-669-2100 |
| OH | Akron | B&C Communications | 216-773-5129 |
| OH | Canton | Staley Technologies | |
| OH | Celina | McAfee Communications | 419-586-3413 |
| OH | Cincinnati | Mobilcomm | 513-742-5555 |
| OH | Cleveland (Painsville) | Communication Service Co. | 440-354-3715 |
| OH | Columbus | B&C Communications | 614-276-5552 |
| OH | Dayton | P&R Communications | 937-222-0861 |
| OH | Lima | Lima Radio Hospital, Inc. | |
| OH | Marion | Bender Communications | 740-382-0000 |
| OH | New Philadelphia | Staley Technologies | 330-339-2898 |
| OH | Painsville | Communication Service Co. | 440-354-3715 |
| OH | Toledo | Bender Communications | 419-531-2844 |
| OH | Warren | Cattron Communications | 330-394-7420 |
| OH | Youngstown | Cattron Communications | 330-788-9998 |
| OK | El Reno | Security Devices, Inc. | 405-262-2348 |
| OK | Lawton | Lawton Communications | 536-2242 |
| OK | Muskogee | Muskogee Communications | 918-687-3819 |
| OK | Ponca City | Digicom | |
| OK | Woodward | Oklahoma Land Mobile, Inc. | 405-256-3632 |
| PA | Aliquippa | Carver Communication Co. | |
| PA | Altoona | Sound Communications, Inc. | 814-946-8100 |
| PA | Ambridge | Carver Communication Co. | 412-869-3130 |
| PA | Bethlehem | Tu-Way Wireless | 610-266-1800 |
| PA | Chambersburg | Sound Communications, Inc. | |
| PA | Clairton | Bernard Busch & Associates | |
| PA | Dickson City | Purosky & Tuckerman, Inc. | 717-383-2755 |
| PA | Eddystone | Radio Communication Service, Inc. | 610-874-7100 |
| PA | Friedens | Baer's Electronics, Inc. | 814-433-2402 |
| PA | Hatfield | Scott Communications, Inc. | 215-997-9500 |
| PA | Meadville | Mobilcom | 814-724-1234 |
| PA | Mt. Jewett | Seneca Communication, Inc. | 814-788-5000 |
| PA | New Castle | Cattron Communications | 724-654-5131 |
| PA | Pine Grove Mills | Gregg Electronics | 814-238-5463 |
| PA | Pittsburgh | Pittsburgh Communication Service | 412-366-3510 |
| PA | Reading | Radio Maintenance, Inc. | 610-376-9951 |
| PA | Sharpsville | Cattron Communications | 724-962-3576 |
| SC | Charleston | Sikes Radio Co. | 843-744-2551 |
| SC | Florence | Palmetto Communication Services | 803-662-3041 |
| SC | Greenville | Communication Service Center | 803-246-0914 |
| SC | Sumter | Radio Communications Service, Ltd. | 803-773-9743 |
| SC | Summerville | Carter Electronics Service Co. | 803-873-1562 |
| SD | Milbank | Milbank Communications | 888-432-6798 |
| SD | Rapid City | Western Communications, Inc. | 605-342-7885 |
| SD | Sioux Falls | Sioux Falls Two-Way Radio | 605-334-9816 |
| TN | Chattanooga | Communications & Electronics, Inc. | 423-698-3306 |
| TN | McMinnville | Communications Evolutions | 931-473-5312 |
| TX | Beaumont | Kay Electronics, Inc. | 409-842-1776 |
| TX | San Antonio | Industrial Communications | 210-226-3682 |
| TX | Temple | Wear Radio Service, Inc. | 254-773-6992 |
| TX | Texarkana | Brower Two-Way Radio Service | 903-792-1001 |
| VA | Ettrick | Commtronics of Virginia | 804-526-5250 |
| VA | Hampton | Gately Communications | 757-826-8210 |
| VA | Norfolk | Commercial Radio Service Corp. | 757-455-5151 |
| VA | Richmond | Commtronics of Virginia | |
| VA | Roanoke | Radio Communications Co. | 540-342-8513 |
| VA | Winchester | Valley Two-Way Radio, Inc. | 540-662-6867 |
| WA | Spokane | Inland Communications Service | 509-328-7771 |
| WI | Berlin | Hark Comm | 920-361-1725 |
| WI | Eau Claire | Rassbach Communications, Inc. | 715-832-6763 |
| WI | Green Bay | BAYCOM, Inc. | 920-468-5426 |
| WI | Manitowoc | Frank's Radio Service, Inc. | 920-682-5989 |
| WI | Marinette | BAYCOM, Inc. | 715-732-2999 |
| WI | Milwaukee | Radio Communication Company, Inc. | 414-771-6900 |
| WI | Neenah | BAYCOM, Inc. | 940-722-5393 |
| WI | Portage | Communications Service, Inc. | 608-429-3300 |
| WI | Superior | Duluth-Superior Communications | 715-392-2911 |
| WI | Wausau | Northway Communication, Inc. | 715-842-0841 |
| WV | Millwood | Lloyd's Electronics | 304-273-2790 |
| WV | Steubenville | Staley Communications | |
| WV | Wheeling | Staley Communications | 304-233-8780 |