Top 99 Contractors in NAICS 48831: Port and Harbor Operations, FY2023

Name: Top 99 Contractors in NAICS 48831: Port and Harbor Operations, FY2023
Creator: GovTribe

Parent companies by net contract obligations Oct 1, 2022 – Sep 30, 2023 Code page on GovTribe

The top 10 won 66% of FY2023 NAICS 48831 contract dollars

Contract obligations: $294,733,971 Net of deobligations, by contracts coded NAICS 48831 or a code under it
Contractors: 109 Parent companies with an obligation
Largest contractor: S.C.A. - Shipping Consultants Associated Ltd. $97.1 million, 28.2% of obligations
Data as of: Oct 14, 2026

Contract actions from FPDS (SAM.gov). How the rankings work · Download all 99 rows as CSV

Full ranking

Rank	Contractor	Net obligations	Share	Trend
1	S.C.A. - Shipping Consultants Associated Ltd. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$97,113,984	28.2%	Rank history: #2 in FY2021, #1 in FY2022, #1 in FY2024 and #1 in FY2025; unchanged since FY2022.
2	Inchcape Shipping Services Dubai LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$28,493,879	8.3%	Rank history: #10 in FY2021, #3 in FY2022, #3 in FY2024 and #3 in FY2025; up 1 since FY2022.
3	Global Defense Logistics S.R.L. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$27,942,046	8.1%	Rank history: #3 in FY2021, #2 in FY2022, #2 in FY2024 and #4 in FY2025; down 1 since FY2022.
4	Waypoint LLC 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$17,445,643	5.1%	Rank history: #15 in FY2021, #4 in FY2022, #4 in FY2024 and #2 in FY2025; unchanged since FY2022.
5	Parsh Marine (S) Pte. Ltd. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$15,043,199	4.4%	Rank history: #23 in FY2021, #7 in FY2022, #5 in FY2024 and #6 in FY2025; up 2 since FY2022.
6	Military Services Australia Pty. Ltd. Top agencies Navy (Department of the Navy) Army (Department of the Army) DHS (Department of Homeland Security)	$10,513,840	3.1%	Rank history: #22 in FY2021, #19 in FY2022, #6 in FY2024 and #5 in FY2025; up 13 since FY2022.
7	Black Bull Group Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security) Commerce (Department of Commerce)	$9,430,250	2.7%	Rank history: #24 in FY2021, #11 in FY2022, #23 in FY2024 and #13 in FY2025; up 4 since FY2022.
8	Metson Marine Inc. Through Metson Marine Services, Inc. Top agencies Navy (Department of the Navy)	$8,719,013	2.5%	Rank history: #5 in FY2021, #6 in FY2022, #30 in FY2024 and not on the FY2025 list; down 2 since FY2022.
9	Toll Remote Logistics PTY Ltd Top agencies Navy (Department of the Navy)	$7,186,598	2.1%	Rank history: #13 in FY2021, #12 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
10	Seabulk International Inc. 2 awardees, including E.n. Bisso & Son Towing, Inc. and Seabulk Logistics Services LLC Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$6,781,660	2.0%	Rank history: #36 in FY2021, #13 in FY2022, #43 in FY2024 and not on the FY2025 list; up 3 since FY2022.
11	Daekee Global Co.,Ltd Top agencies Navy (Department of the Navy)	$6,272,313	1.8%	Rank history: #18 in FY2021, #10 in FY2022, #11 in FY2024 and #12 in FY2025; down 1 since FY2022.
12	Tlingit Haida Tribal Business Corporation Through Kira Construction Management LLC Top agencies Navy (Department of the Navy) Army (Department of the Army)	$5,885,101	1.7%	Rank history: #11 in FY2021, #22 in FY2022, #16 in FY2024 and not on the FY2025 list; up 10 since FY2022.
13	Downie Jones Ship Stores Limited Top agencies Navy (Department of the Navy) Army (Department of the Army)	$4,625,306	1.3%	Rank history: #20 in FY2021, #15 in FY2022, #7 in FY2024 and #11 in FY2025; up 2 since FY2022.
14	PRWT Services Inc. 2 awardees, including US Facilities Inc. Top agencies Army (Department of the Army)	$4,554,980	1.3%	Rank history: #12 in FY2021, #17 in FY2022 and not on the FY2024–FY2025 lists; up 3 since FY2022.
15	DE LA Fuente Construction Inc. Top agencies Navy (Department of the Navy)	$4,366,436	1.3%	Rank history: not on the FY2021–FY2022 lists, #8 in FY2024 and #25 in FY2025; new.
16	Calista Corp Through Yulista Support Services LLC Top agencies Navy (Department of the Navy)	$3,985,989	1.2%	Rank history: #6 in FY2021, #8 in FY2022, #24 in FY2024 and not on the FY2025 list; down 8 since FY2022.
17	Ops Corporation Top agencies Navy (Department of the Navy)	$3,952,316	1.1%	Rank history: #14 in FY2021, #16 in FY2022, #10 in FY2024 and #16 in FY2025; down 1 since FY2022.
18	Norton Lilly International, Inc. Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$3,035,394	0.9%	Rank history: not on the FY2021 list, #36 in FY2022, #35 in FY2024 and #30 in FY2025; up 18 since FY2022.
19	National Shipping Agency S.A. Top agencies Navy (Department of the Navy)	$2,727,347	0.8%	Rank history: not on the FY2021 list, #33 in FY2022, #9 in FY2024 and #19 in FY2025; up 14 since FY2022.
20	Mlsusa Corp Top agencies Navy (Department of the Navy)	$2,609,778	0.8%	Rank history: #9 in FY2021, #44 in FY2022, #12 in FY2024 and #18 in FY2025; up 24 since FY2022.
21	Windy Bay Services LLC Top agencies Navy (Department of the Navy)	$2,500,806	0.7%	Rank history: #7 in FY2021, #5 in FY2022, #22 in FY2024 and #33 in FY2025; down 16 since FY2022.
22	KVG LLC Top agencies Navy (Department of the Navy)	$2,271,094	0.7%	Rank history: not on the FY2021–FY2022 lists, #33 in FY2024 and #24 in FY2025; up 87 since FY2022.
23	Ambyth Shipping Micronesia, Inc. 2 awardees Top agencies Navy (Department of the Navy) Commerce (Department of Commerce) DHS (Department of Homeland Security)	$2,090,345	0.6%	Rank history: #30 in FY2021, #21 in FY2022, #14 in FY2024 and #17 in FY2025; down 2 since FY2022.
24	UIC Government Services LLC Through Bowhead Marine Support Services, LLC Top agencies Navy (Department of the Navy)	$2,035,256	0.6%	Rank history: not on the FY2021 list, #14 in FY2022 and not on the FY2024–FY2025 lists; down 10 since FY2022.
25	Anchor Innovation, Inc. Top agencies Navy (Department of the Navy)	$1,765,964	0.5%	Rank history: #17 in FY2021, #24 in FY2022, #31 in FY2024 and #23 in FY2025; down 1 since FY2022.
26	BEN Line Agencies (SINGAPORE) PTE Ltd Top agencies Navy (Department of the Navy)	$1,601,727	0.5%	Rank history: not on the FY2021–FY2022 lists, #20 in FY2024 and #21 in FY2025; up 80 since FY2022.
27	Insignia Shipping Services Ltd Top agencies Navy (Department of the Navy)	$1,560,570	0.5%	Rank history: not on the FY2021 list, #97 in FY2022, #34 in FY2024 and #31 in FY2025; up 70 since FY2022.
28	Global Maritime Logistics Support, Inc. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$1,230,853	0.4%	Rank history: #46 in FY2021, #20 in FY2022, #32 in FY2024 and #14 in FY2025; down 8 since FY2022.
29	Crowley Government Services Inc. Top agencies Navy (Department of the Navy)	$770,466	0.2%	Rank history: #51 in FY2021, #48 in FY2022 and not on the FY2024–FY2025 lists; up 19 since FY2022.
30	Jet Dock Systems Inc. Top agencies Navy (Department of the Navy)	$698,145	0.2%	Rank history: not on the FY2021–FY2022 lists, #38 in FY2024 and #63 in FY2025; new.
31	Port Graham Government Solutions LLC Top agencies Navy (Department of the Navy)	$647,731	0.2%	Rank history: not on the FY2021–FY2022 lists, #37 in FY2024 and #32 in FY2025; new.
32	Virtual Computing Technology Inc Top agencies Navy (Department of the Navy)	$618,756	0.2%	Rank history: not on the FY2021–FY2022 lists, #48 in FY2024 and #99 in FY2025; new.
33	Elsayeda Abdelghany Mahmoud Elmasry & Partners Co. Top agencies Navy (Department of the Navy)	$524,618	0.2%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
34	Oceanetics Inc. Top agencies Navy (Department of the Navy)	$483,538	0.1%	Rank history: not on the FY2021–FY2022 lists, #39 in FY2024 and #20 in FY2025; new.
35	R.e. Staite Engineering, Inc. Top agencies Navy (Department of the Navy)	$455,035	0.1%	Rank history: not on the FY2021 list, #37 in FY2022, #25 in FY2024 and #35 in FY2025; up 2 since FY2022.
36	Worthington Products, LLC Top agencies Army (Department of the Army)	$364,387	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
37	Bahrain Fujairah Marine Services Bfms W.L.L. Top agencies Navy (Department of the Navy)	$325,403	0.1%	Rank history: #25 in FY2021, #32 in FY2022, #52 in FY2024 and not on the FY2025 list; down 5 since FY2022.
38	Stirling Advanced Logistical Services, LLC Top agencies Navy (Department of the Navy)	$267,531	0.1%	Rank history: #35 in FY2021, #30 in FY2022, #60 in FY2024 and not on the FY2025 list; down 8 since FY2022.
39	Ems Shipping & Trading GMBH Top agencies Navy (Department of the Navy)	$260,343	0.1%	Rank history: #37 in FY2021, #29 in FY2022, #74 in FY2024 and #45 in FY2025; down 10 since FY2022.
40	Progesco Consignaciones SL. Top agencies Navy (Department of the Navy)	$259,674	0.1%	Rank history: #34 in FY2021, #43 in FY2022, #47 in FY2024 and #41 in FY2025; up 3 since FY2022.
41	JT Square Pte. Ltd. Top agencies Navy (Department of the Navy) Army (Department of the Army)	$243,537	0.1%	Rank history: not on the FY2021 list, #98 in FY2022 and not on the FY2024–FY2025 lists; up 57 since FY2022.
42	D7, LLC Top agencies Army (Department of the Army)	$224,431	0.1%	Rank history: not on the FY2021 list, #35 in FY2022, #42 in FY2024 and #28 in FY2025; down 7 since FY2022.
43	Tranlogistics LLC Top agencies Navy (Department of the Navy)	$224,155	0.1%	Rank history: not on the FY2021–FY2022 lists, not on the FY2024 list and #39 in FY2025; up 62 since FY2022.
44	Jaxport Jacksonville Port Authority Top agencies Navy (Department of the Navy)	$218,493	0.1%	Rank history: #29 in FY2021, #70 in FY2022, not on the FY2024 list and #43 in FY2025; up 26 since FY2022.
45	Crane Worldwide Logistics LLC Top agencies Navy (Department of the Navy)	$208,605	0.1%	Rank history: #19 in FY2021, #26 in FY2022, #73 in FY2024 and not on the FY2025 list; down 19 since FY2022.
46	Mark V Lodge Inc. Top agencies Navy (Department of the Navy)	$202,180	0.1%	Rank history: #26 in FY2021, #45 in FY2022 and not on the FY2024–FY2025 lists; down 1 since FY2022.
47	S.c.a.-Shipping Consultants Associated, D.O.O. Top agencies DHS (Department of Homeland Security)	$196,656	0.1%	Rank history: not on the FY2021 list, #68 in FY2022 and not on the FY2024–FY2025 lists; up 21 since FY2022.
48	Albatrosses Global Shipping Services L.l.c Top agencies Navy (Department of the Navy)	$188,438	0.1%	Rank history: not on the FY2021 list, #87 in FY2022, #83 in FY2024 and not on the FY2025 list; up 39 since FY2022.
49	Medmar Tramp SRL Top agencies Navy (Department of the Navy)	$172,888	0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 54 since FY2022.
50	Dauterive Contractors, Inc. Top agencies Army (Department of the Army)	$166,400	<0.1%	Rank history: not on the FY2021 list, #38 in FY2022, #51 in FY2024 and #54 in FY2025; down 12 since FY2022.
51	Ziya Goksel Denizcilik VE Turizm Sanayi VE Ticaret Limited Sirketi Top agencies Navy (Department of the Navy)	$153,074	<0.1%	Rank history: not on the FY2021 list, #61 in FY2022 and not on the FY2024–FY2025 lists; up 10 since FY2022.
52	Toll Holdings Limited Through Toll Remote Logistics PTY Ltd Top agencies Navy (Department of the Navy)	$153,058	<0.1%	Rank history: not on the FY2021–FY2022 lists, #18 in FY2024 and #22 in FY2025; new.
53	Niko Marine Transportation Co., Ltd Top agencies Navy (Department of the Navy)	$126,391	<0.1%	Rank history: not on the FY2021 list, #63 in FY2022, #61 in FY2024 and #44 in FY2025; up 10 since FY2022.
54	En Bisso Canaveral Inc. 2 awardees Top agencies Navy (Department of the Navy) DHS (Department of Homeland Security)	$121,032	<0.1%	Rank history: #45 in FY2021, #41 in FY2022 and not on the FY2024–FY2025 lists; down 13 since FY2022.
55	The Board of Trustees of the Galveston Wharves Top agencies Commerce (Department of Commerce)	$116,642	<0.1%	Rank history: not on the FY2021 list, #71 in FY2022, #50 in FY2024 and not on the FY2025 list; up 16 since FY2022.
56	North Carolina State Port Authority 2 awardees Top agencies Navy (Department of the Navy)	$102,855	<0.1%	Rank history: #41 in FY2021, #58 in FY2022, #71 in FY2024 and #56 in FY2025; up 2 since FY2022.
57	Talton Marine Terminal, LLC Top agencies Navy (Department of the Navy)	$97,455	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
58	Cox Logistics W.l.l Top agencies Navy (Department of the Navy)	$86,484	<0.1%	Rank history: #92 in FY2021, #40 in FY2022 and not on the FY2024–FY2025 lists; down 18 since FY2022.
59	Se.ma.ter. Servizi Marittimi E Terrestri - Societa' A Responsabilita' Limitata Top agencies Navy (Department of the Navy)	$85,431	<0.1%	Rank history: #49 in FY2021, #69 in FY2022, #82 in FY2024 and #67 in FY2025; up 10 since FY2022.
60	Miller's Launch, Inc. Top agencies DOI (Department of the Interior)	$66,600	<0.1%	Rank history: #84 in FY2021, #72 in FY2022, #45 in FY2024 and #47 in FY2025; up 12 since FY2022.
61	Seaway Filipinas Logistics, Inc. Top agencies Navy (Department of the Navy)	$62,257	<0.1%	Rank history: not on the FY2021 list, #67 in FY2022, not on the FY2024 list and #49 in FY2025; up 6 since FY2022.
62	Seasmoke Marine, LLC Top agencies Navy (Department of the Navy)	$61,695	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
63	City of Unalaska Top agencies Commerce (Department of Commerce) DHS (Department of Homeland Security)	$60,892	<0.1%	Rank history: not on the FY2021–FY2022 lists, #62 in FY2024 and #89 in FY2025; new.
64	Portside Marine & Towing, Inc. Top agencies DHS (Department of Homeland Security)	$58,550	<0.1%	Rank history: #66 in FY2021, #62 in FY2022, #85 in FY2024 and not on the FY2025 list; down 2 since FY2022.
65	Pearl Beach Construction Company Top agencies DOI (Department of the Interior)	$56,550	<0.1%	Rank history: #55 in FY2021, #54 in FY2022, #65 in FY2024 and #62 in FY2025; down 11 since FY2022.
66	MLS Asia Pte. Ltd. Top agencies Army (Department of the Army)	$50,404	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
67	Fairlead Integrated, LLC Top agencies Navy (Department of the Navy)	$50,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
68	Kuribayashi Steamship Co. Ltd. Through Kuribayashi Transportation Co.,Ltd. Top agencies Navy (Department of the Navy)	$45,451	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
69	Sheridan Montag Top agencies DHS (Department of Homeland Security)	$43,200	<0.1%	Rank history: #56 in FY2021, #79 in FY2022, #76 in FY2024 and #68 in FY2025; up 10 since FY2022.
70	RIO Logistics (S) Pte. Ltd. Top agencies Navy (Department of the Navy)	$41,588	<0.1%	Rank history: #89 in FY2021, #55 in FY2022, #94 in FY2024 and #76 in FY2025; down 15 since FY2022.
71	Jabbour Agency and Transportation, LLC Top agencies Commerce (Department of Commerce)	$38,187	<0.1%	Rank history: not on the FY2021–FY2022 lists, #72 in FY2024 and not on the FY2025 list; new.
72	Offshore Systems, Inc. Top agencies Commerce (Department of Commerce)	$37,212	<0.1%	Rank history: #68 in FY2021, #53 in FY2022, #99 in FY2024 and not on the FY2025 list; down 19 since FY2022.
73	J.f. Brennan Company, Inc. Top agencies Navy (Department of the Navy)	$36,160	<0.1%	Rank history: not on the FY2021–FY2022 lists, #78 in FY2024 and #50 in FY2025; new.
74	Port of Seattle Top agencies Commerce (Department of Commerce)	$34,121	<0.1%	Rank history: #42 in FY2021, #73 in FY2022, #58 in FY2024 and #79 in FY2025; down 1 since FY2022.
75	Olympic Computer Services Inc Top agencies Commerce (Department of Commerce)	$30,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
76	Ukpeagvik Inupiat Corpor Through Bowhead Operations & Maintenance Solutions LLC Top agencies Navy (Department of the Navy)	$26,341	<0.1%	Rank history: #21 in FY2021, #28 in FY2022 and not on the FY2024–FY2025 lists; down 48 since FY2022.
77	Fujairah Port Authority Top agencies Navy (Department of the Navy)	$25,791	<0.1%	Rank history: #27 in FY2021, #42 in FY2022, #53 in FY2024 and #59 in FY2025; down 35 since FY2022.
78	Port of Astoria Top agencies Army (Department of the Army)	$25,222	<0.1%	Rank history: #59 in FY2021, #56 in FY2022, not on the FY2024 list and #72 in FY2025; down 22 since FY2022.
79	Moran Transportation Company 2 awardees, including Moran Towing Corp Top agencies DHS (Department of Homeland Security)	$24,500	<0.1%	Rank history: #48 in FY2021, #78 in FY2022, #87 in FY2024 and not on the FY2025 list; down 1 since FY2022.
80	Resolve Marine Group Inc. Top agencies DHS (Department of Homeland Security)	$22,992	<0.1%	Rank history: #43 in FY2021, #81 in FY2022, #56 in FY2024 and #57 in FY2025; up 1 since FY2022.
81	DEL Gavio of California Inc Top agencies DHS (Department of Homeland Security)	$18,361	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
82	Port Angeles Port Of Top agencies DOI (Department of the Interior) Commerce (Department of Commerce)	$18,148	<0.1%	Rank history: #70 in FY2021, #85 in FY2022, #88 in FY2024 and #83 in FY2025; up 3 since FY2022.
83	Seventh Genius LLC Top agencies USDA (Department of Agriculture)	$17,513	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
84	Lee's Excavation LLC Top agencies Army (Department of the Army)	$16,582	<0.1%	Rank history: #94 in FY2021, #89 in FY2022 and not on the FY2024–FY2025 lists; up 5 since FY2022.
85	Juneau, City & Borough Of Through City & Borough of Juneau Top agencies Commerce (Department of Commerce)	$12,972	<0.1%	Rank history: not on the FY2021–FY2022 lists, #97 in FY2024 and #84 in FY2025; new.
86	University of Southern California Through Southern California Marine Institute Top agencies Commerce (Department of Commerce)	$11,081	<0.1%	Rank history: #72 in FY2021, #94 in FY2022 and not on the FY2024–FY2025 lists; up 8 since FY2022.
87	Mcallister Towing and Transportation Company, Inc. Top agencies DHS (Department of Homeland Security)	$10,420	<0.1%	Rank history: not on the FY2021–FY2022 lists, #90 in FY2024 and not on the FY2025 list; new.
88	University of Alaska System Through University of Alaska Fairbanks Top agencies Commerce (Department of Commerce)	$10,000	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
89	Burnham Associates, Inc. Top agencies DOI (Department of the Interior)	$7,328	<0.1%	Rank history: not on the FY2021 list, #59 in FY2022 and not on the FY2024–FY2025 lists; down 30 since FY2022.
90	SCA Shipping Consultants Associated Dmcc Top agencies DHS (Department of Homeland Security)	$6,490	<0.1%	Rank history: not on the FY2021–FY2022 lists, #70 in FY2024 and not on the FY2025 list; new.
91	L Underwood LLC Top agencies Army (Department of the Army)	$4,800	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
92	WCT Marine & Construction, Inc. Top agencies DHS (Department of Homeland Security)	$4,613	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
93	Clean Harbors Inc Through Clean Harbors Caribe, Inc. Top agencies DHS (Department of Homeland Security)	$4,094	<0.1%	Rank history: #95 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
94	Robbins Maritime Inc. Top agencies DHS (Department of Homeland Security)	$3,970	<0.1%	Rank history: not on the FY2021 list, #92 in FY2022, not on the FY2024 list and #96 in FY2025; down 2 since FY2022.
95	DM Consulting, Inc. Top agencies DHS (Department of Homeland Security)	$3,800	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
96	Global Diving & Salvage, Inc. Top agencies DHS (Department of Homeland Security)	$3,426	<0.1%	Rank history: #97 in FY2021, not on the FY2022 list and not on the FY2024–FY2025 lists; returned.
97	County of Broward Top agencies DHS (Department of Homeland Security)	$2,594	<0.1%	Rank history: not on the FY2021 list, #76 in FY2022, not on the FY2024 list and #92 in FY2025; down 21 since FY2022.
98	Woods Hole Oceanographic Institution Top agencies Commerce (Department of Commerce)	$1,687	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; new.
99	Faneuil Inc. Top agencies Navy (Department of the Navy)	$316	<0.1%	Rank history: not on the FY2021–FY2022 lists and not on the FY2024–FY2025 lists; up 12 since FY2022.

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99 of 109 contractors listed here. See the rest on GovTribe.

Rankings for the codes under NAICS 48831

Code	Net obligations	Largest contractor
488310 Port and Harbor Operations	$294,733,971	S.C.A. - Shipping Consultants Associated Ltd.

How this ranking works

Source: every contract action FPDS records (as published on SAM.gov) in the period, as GovTribe received it.
Amounts are net obligations: what was obligated, less what was deobligated. Shares are of $344 million obligated before deobligations, so they never pass 100%.
Parent companies: each action counts under the ultimate parent its award record names, or under the awardee when it names none, so no dollar counts twice. Parents of the same name (Inc., LLC and the like aside) count as one company, since FPDS records a company's parent under more than one UEI over time. GovTribe corrects a few parents and names by hand; see the corrections.
Fiscal year 2023 ran Oct 1, 2022 – Sep 30, 2023. The Department of Defense reports its contract actions to FPDS about 90 days late, so a fiscal year is ranked once they're in, in February, and the list doesn't change after.
Rank changes compare with FY2022. "New" marks a company outside that period's top 500, and "Returned" one of those that was on an earlier fiscal year's list.
Rank lines show each company's rank on every fiscal year's list since FY2021, #1 at the top, on a scale that gives the top of the list more room. A dashed stretch spans years it wasn't on the list. The step from FY2022 takes the color of the rank change beside it.
Placeholder recipients FPDS uses when it names no company ("Miscellaneous Foreign Contractors" and the like) aren't ranked.

Quick answers

Who were the top 10 NAICS 48831 contractors in FY2023?

1. S.C.A. - Shipping Consultants Associated Ltd. ($97.1M), 2. Inchcape Shipping Services Dubai LLC ($28.5M), 3. Global Defense Logistics S.R.L. ($27.9M), 4. Waypoint LLC ($17.4M), 5. Parsh Marine (S) Pte. Ltd. ($15M), 6. Military Services Australia Pty. Ltd. ($10.5M), 7. Black Bull Group Inc. ($9.43M), 8. Metson Marine Inc. ($8.72M), 9. Toll Remote Logistics PTY Ltd ($7.19M), 10. Seabulk International Inc. ($6.78M).

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