The Federal Communications Commission (FCC) has granted a total of 56 licenses and call signs in the category of Ship Compulsory Equipped license in Baltimore, Maryland. Select a call sign from the table below to view its details such as the date of authorization, expiration date, service description, and so forth.
| Call Sign | License Holder Name | Date of Authorization |
|---|---|---|
| KGSU | Transoceanic Cable Ship Company, LLC | 2015-12-11 |
| KHJL | PROJECT LIBERTY SHIP | 2014-03-13 |
| WBE5966 | SMITH MARINE TOWING INC | 2017-01-10 |
| WBI8181 | MC ALLISTER TOWING OF BALTIMORE INC | 2007-07-12 |
| WCV2576 | State of Maryland - DoIT | 2005-07-30 |
| WCV2577 | State of Maryland - DoIT | 2005-07-30 |
| WCV2578 | State of Maryland - DoIT | 2005-07-30 |
| WCV4665 | State of Maryland - DoIT | 2005-08-30 |
| WCX5221 | Vane Line Bunkering, Inc. Barges DS-141, DS-143, DS-37, DS-38, DS-39, DS-50, DS-51, DS-52, DS-53, DS-54, DS-55, DS-56, DS-57, DS-58, DS-59, VB-25, VB-36, VB-38, VB-39 | 2007-04-25 |
| WCX8222 | SADOWSKI TOWING COMPANY INC | 2007-09-25 |
| WCY8960 | LIVING CLASSROOMS FOUNDATION | 2019-01-31 |
| WCZ3565 | MC CLUSKEY, WILLIAM D | 2009-06-09 |
| | ||
| WCZ9943 | WEINMAN, MICHAEL H | 2010-07-16 |
| WDA2815 | BES LLC | 2010-09-04 |
| WDA5276 | Constellation Power Source Generation, Inc. | 2011-05-18 |
| WDA5277 | Constellation Power Source Generation, Inc. | 2011-05-18 |
| WDA8224 | LIVING CLASSROOMS FOUNDATION INC | 2012-03-02 |
| WDC5256 | LIVING CLASSROOMS FOUNDATION | 2015-04-17 |
| WDC7077 | Corman Imbach Marine Inc. | 2005-09-08 |
| WDC9317 | VOGT, ALBERT V | 2006-03-18 |
| WDD3452 | Harbor Cruises, Ltd. Bay Lady | 2006-07-25 |
| WDD3453 | Harbor Cruises, Ltd. Lady Baltimore | 2006-07-25 |
| WDD3539 | Douglas MacArthur, LLC | 2006-08-02 |
| WDD4887 | Clipper City Tall Ship, LLC | 2006-11-14 |
| WDD7167 | J. WILLIS SMITH & BROTHER, INC. | 2017-02-07 |
| WDD7569 | Vane Line Bunkering, Inc. Barges DS-34, DS-35, DS-36 | 2007-05-17 |
| WDE4169 | Urban Pirates, LLC | 2008-04-16 |
| WDE6920 | SMITH MARINE TOWING INC | 2018-09-15 |
| WDE6921 | SMITH MARINE TOWING INC | 2008-12-03 |
| WDE9403 | Spirit Cruises, LLC | 2009-06-26 |
| WDE9949 | Corman Marine Construction, Inc. | 2009-08-25 |
| WDF2934 | Antwerpen, Jacob | 2009-12-09 |
| WDF7548 | SEADOG VENTURES | 2011-04-12 |
| WDF7621 | hardin 111, luther m | 2021-02-23 |
| WDF7960 | Corman Marine Construction, Inc. | 2011-05-12 |
| WDF7965 | Corman Marine Construction, Inc. | 2011-05-12 |
| WDG6709 | MARINE TECHNOLOGIES INC | 2013-01-18 |
| WDG7702 | Harbor Boating, Inc. | 2013-04-11 |
| WDG7924 | Aquila Jovis, LLC | 2013-04-26 |
| WDI5187 | Schmidt, David A | 2015-12-08 |
| WDI8722 | Maryland Port Administration | 2016-06-17 |
| WDK3802 | Urban Pirates LLC | 2018-07-06 |
| WDK4250 | Thrive Engineering LLC | 2018-08-04 |
| WDK6680 | Pride of Baltimore, Inc. | 2019-02-16 |
| WDL3413 | Thrive Engineering | 2019-11-20 |
| WDL4285 | TUG MR BILL LLC | 2020-01-31 |
| WDL5888 | Rocker, LLC | 2020-05-16 |
| WDL7217 | Hornblower Cruises and Events, LLC | 2020-08-13 |
| WDL7221 | Hornblower Cruises and Events, LLC | 2020-08-13 |
| WDM2804 | Thrive Engineering LLC | 2021-04-07 |
| WDN4126 | McCluskeys Marina, Inc. | 2022-09-21 |
| WOED | SCHNERING MARINE SERVICES, L.L.C. | 2012-04-03 |
| WTV4008 | LIVING CLASSROOMS FOUNDATION | 2018-05-05 |
| WUW2120 | PRIDE OF BALTIMORE INC | 2008-07-09 |
| WYB7050 | SMITH MARINE TOWING INC | 2018-04-20 |
| WYZ7900 | J WILLIS SMITH AND BROTHER INC | 2017-03-08 |
