The Federal Communications Commission (FCC) has granted a total of 781 licenses and call signs in the category of Ship Compulsory Equipped license in Seattle, Washington. 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 |
|---|---|---|
| WCW8104 | KATIE ANN FISHERIES INC | 2006-05-19 |
| WCW8353 | LADY KATE INC | 2016-07-20 |
| WCX3278 | SALMON BAY BARGE LINE INC | 2007-01-05 |
| WCX3512 | MANSON CONSTRUCTION CO. | 2017-01-11 |
| WCX3618 | MANSON CONSTRUCTION CO. | 2017-01-11 |
| WCX3870 | BENNETT, THOMAS A | 2007-02-15 |
| WCX4599 | WESTERN TOWBOAT CO | 2017-02-22 |
| WCX4608 | FOSS MARITIME CO | 2007-03-01 |
| WCX5768 | TODD PACIFIC SHIPYARDS CORP | 2017-05-05 |
| WCX7690 | SELDOVIA FISHERIES INC | 2007-07-28 |
| WCX9055 | HIGHLAND LIGHT SEAFOODS LLC | 2007-10-30 |
| WCX9106 | CROWLEY MARINE SERVICES INC | 2017-12-20 |
| | ||
| WCY2823 | Crowley Marine Services | 2018-03-20 |
| WCY2824 | Crowley Marine Services | 2018-03-20 |
| WCY4834 | BLACKMAN, JOHN H | 2008-04-09 |
| WCY5673 | Centerline Logistics | 2018-05-30 |
| WCY6528 | Crowley Marine Services | 2018-08-03 |
| WCY6529 | Crowley Marine Services | 2018-08-24 |
| WCY6777 | CROWLEY MARINE SERVICES INC | 2008-08-14 |
| WCY7481 | MANSON CONSTRUCTION CO. | 2018-09-07 |
| WCY8048 | B L TERRY LLC | 2018-11-06 |
| WCY8495 | Crowley Marine Services | 2018-11-03 |
| WCY8622 | UNIMAK VESSEL, LLC | 2018-11-06 |
| WCY9686 | COASTAL TRANSPORTATION INC. | 2019-03-27 |
| WCY9807 | WATERWAYS CRUISES INC | 2009-02-11 |
| WCZ2046 | Crowley Marine Services Inc. | 2019-02-05 |
| WCZ2047 | Crowley Marine Services Inc. | 2019-02-05 |
| WCZ2889 | FOSS MARITIME CO | 2019-03-28 |
| WCZ4240 | MANSON CONSTRUCTION CO. | 2019-06-06 |
| WCZ4949 | PROWLER LLC | 2019-07-18 |
| WCZ5434 | MANSON CONSTRUCTION CO. | 2019-08-15 |
| WCZ5435 | MANSON CONSTRUCTION CO. | 2019-08-15 |
| WCZ5436 | MANSON CONSTRUCTION CO. | 2019-08-15 |
| WCZ5656 | MANSON CONSTRUCTION CO. | 2019-09-12 |
| WCZ5670 | PUGET SOUND PILOTS | 2019-09-26 |
| WCZ5699 | Foss Maritime Company | 2009-09-17 |
| WCZ5700 | Foss Maritime Company LLC | 2019-11-07 |
| WCZ6534 | EVENING STAR INC | 2019-11-27 |
| WCZ6844 | WESTERN TOWBOAT CO | 2019-12-20 |
| WCZ7046 | Island Tug and Barge | 2010-01-13 |
| WCZ7336 | Crowley Marine Services | 2020-02-04 |
| WCZ8082 | Centerline Logistics | 2020-02-14 |
| WCZ8970 | LA PORTE, RICHARD J | 2010-04-03 |
| WCZ9173 | BOYCE & THOMAN LLC | 2010-04-13 |
| WCZ9401 | SYDNOR IV, GILES G | 2020-06-02 |
| WDA2144 | CLIPPER EXPRESS LLC | 2010-07-07 |
| WDA2184 | Centerline Logistics | 2020-07-23 |
| WDA3556 | New Blue Attu, LLC | 2020-12-05 |
| WDA3649 | Shemya Fisheries LLC | 2010-12-01 |
| WDA4208 | MANSON CONSTRUCTION CO. | 2021-03-11 |
| WDA4612 | Centerline Logistics | 2021-04-06 |
| WDA5852 | Puget Sound Pilots | 2011-06-15 |
| WDA7043 | Island Tug and Barge | 2012-01-14 |
| WDA7527 | Centerline Logistics | 2012-03-10 |
| WDA8478 | THOMAS, LAWRENCE C | 2012-03-16 |
| WDA8959 | BLUE PETER LLC | 2022-04-13 |
| WDA9119 | WESTERN TOWBOAT CO | 2022-05-24 |
| WDA9319 | New Blue Gadus, LLC | 2012-06-01 |
| WDA9379 | Glacier Bay Fisheries, LLC | 2012-08-02 |
| WDA9385 | BOATIS LLC | 2012-06-20 |
| WDA9951 | MANSON CONSTRUCTION CO. | 2022-09-23 |
| WDA9952 | MANSON CONSTRUCTION CO. | 2022-09-24 |
| WDB2798 | Island Tug and Barge | 2022-11-08 |
| WDB3401 | Lebon, Geoffrey T | 2022-09-30 |
| WDB4152 | Aleutian Longline LLC | 2013-04-10 |
| WDB4298 | SALMON BAY BARGE LINE INC | 2023-04-12 |
| WDB5265 | Foss International, Inc | 2013-08-29 |
| WDB5553 | Kirby Offshore Marine, LLC | 2013-09-14 |
| WDB5562 | Kirby Offshore Marine, LLC | 2013-09-14 |
| WDB6192 | Foss Maritime Co | 2014-01-08 |
| WDB6569 | Centerline Logistics | 2014-01-16 |
| WDB6570 | Centerline Logistics | 2014-01-16 |
| WDB6620 | Island Tug and Barge | 2013-12-12 |
| WDB7214 | Foss Maritime Corporation | 2014-04-09 |
| WDB7756 | Hot Spur Inc. | 2014-03-22 |
| WDB7842 | Haida Worrior Inc. | 2014-03-22 |
| WDB8290 | Sternwheeler Charters LLC | 2014-06-05 |
| WDB8349 | Autumn Dawn Partnership | 2014-05-01 |
| WDB9466 | Aleutian Longline LLC | 2014-07-09 |
| WDB9647 | WESTERN TOWBOAT CO | 2014-07-17 |
| WDB9761 | Foss Maritime Company | 2014-09-13 |
| WDB9762 | Foss Maritime Company | 2014-09-13 |
| WDB9763 | Foss Maritime Company | 2014-09-13 |
| WDB9828 | Centerline Logistics | 2014-09-24 |
| WDC2819 | Salmon Bay Barge Line, Inc. | 2014-10-09 |
| WDC2864 | Centerline Logistics | 2014-09-24 |
| WDC2865 | Centerline Logistics | 2014-09-24 |
| WDC2866 | Centerline Logistics | 2014-09-24 |
| WDC3248 | Foss Maritime Company | 2015-01-28 |
| WDC3277 | Seattle, City of | 2014-11-27 |
| WDC3671 | Gilman Mr, Brock | 2014-11-04 |
| WDC3923 | M/V Yankee Clipper, Inc. | 2015-01-24 |
| WDC3984 | Foss Maritime Co | 2015-02-05 |
| WDC4211 | American Challenger Inc. | 2014-12-31 |
| WDC4939 | Mark I Inc. | 2015-02-05 |
| WDC4996 | Ocean Fresh Seafood company | 2015-02-11 |
| WDC5313 | Foss Maritime Company | 2015-05-05 |
| WDC5659 | Akulurak L.L.C. | 2015-06-22 |
| WDC6227 | THE BOEING COMPANY | 2015-06-10 |
| WDC6363 | COASTAL TRANSPORTATION INC. | 2015-04-28 |
