2Suppliers
13Customers
2Debt Items
2Related Chains

Source-Backed Evidence Depth

C3is Inc. (CISS) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

17Total relationships
2Distinct source URLs
4High confidence
0.695Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

C3is Inc. Suppliers

TickerNameConfidenceEvidence
BRAVE-MARITIME BRAVE-MARITIME 90% Under the management agreement with Brave Maritime, we pay Brave Maritime a fixed management fee of $440 per vessel operating under a voyage or time charter per day on a monthly basis in advance, pro…
HELLENIC-MANNING-OVERSEAS-INC HELLENIC-MANNING-OVERSEAS-INC 85% Since 2021, Hellenic Manning Overseas Inc, formerly known as Navis Maritime Services Inc., an affiliated entity based in Manila, has been responsible for providing the crewing of our fleet, under Bra…

C3is Inc. Customers

TickerNameConfidenceEvidence
IMPP Imperial Petroleum Inc. 72% Reciprocal relationship from IMPP graph: Reciprocal relationship from CISS graph: Reciprocal relationship from IMPP graph: Reciprocal relationship from CISS graph: Reciprocal relationship from IMPP g…
IMPP Imperial Petroleum Inc. 72% tal amount of $38.7 million. NET INCOME—As a result of the above factors, we recorded net income of $9.3 million for the year ended December 31, 2023 compared to net income of $0.6 million for the pe…
AGRICULTURAL-PANEUROPEAN-INVESTMENTS-INC AGRICULTURAL-PANEUROPEAN-INVESTMENTS-INC 62% espectively, for $ 39 million. C3is Inc. Predecessor is affiliated with the family of the CEO of IMPP and as such the Company and C3is Inc. Predecessor are related parties. On September 21, 2022, Dry…
BRAVE-MARITIME-CORP BRAVE-MARITIME-CORP 62% s – related party” in the consolidated statement of operations. On April 10, 2024, the Company entered into a memorandum of agreement with Transamerica Logistics Inc., a company affiliated with membe…
BRAVE-MARITIME-CORPORATION BRAVE-MARITIME-CORPORATION 62% espectively, for $ 39 million. C3is Inc. Predecessor is affiliated with the family of the CEO of IMPP and as such the Company and C3is Inc. Predecessor are related parties. On September 21, 2022, Dry…
INTERNATIONAL-GROUP INTERNATIONAL-GROUP 62% built and maintained in accordance with the rules of such classification society and complies with applicable rules and regulations of the country of registry of the vessel and the international conv…
MAGNIFICENT-HYDROCARBONS-INC MAGNIFICENT-HYDROCARBONS-INC 62% 07/2022 Eco Bushfire 32,000 21/09/2022 Raw Commodities & Exports Inc. 04/07/2022 Eco Angelbay 32,000 19/10/2022 Crude Oil Services International Inc. 06/07/2023 Afrapearl II 115,804 14/07/2023 Spitfi…
MARSHALL-ISLANDS-CORPORATION MARSHALL-ISLANDS-CORPORATION 62% . We and our subsidiaries may be subject to tax in the jurisdictions in which we are organized or operate, reducing the amount of our net income and cash flows, including cash available for dividend …
PERFECT-STORM-INC PERFECT-STORM-INC 62% s – related party” in the consolidated statement of operations. On April 10, 2024, the Company entered into a memorandum of agreement with Transamerica Logistics Inc., a company affiliated with membe…
REGIONAL-INVESTMENTS-INC REGIONAL-INVESTMENTS-INC 62% espectively, for $ 39 million. C3is Inc. Predecessor is affiliated with the family of the CEO of IMPP and as such the Company and C3is Inc. Predecessor are related parties. On September 21, 2022, Dry…
SPITFIRE-DRAGON-TRANSPORT-INC SPITFIRE-DRAGON-TRANSPORT-INC 62% 07/2022 Eco Bushfire 32,000 21/09/2022 Raw Commodities & Exports Inc. 04/07/2022 Eco Angelbay 32,000 19/10/2022 Crude Oil Services International Inc. 06/07/2023 Afrapearl II 115,804 14/07/2023 Spitfi…
STEALTH-MARITIME-CORP STEALTH-MARITIME-CORP 62% s – related party” in the consolidated statement of operations. On April 10, 2024, the Company entered into a memorandum of agreement with Transamerica Logistics Inc., a company affiliated with membe…
TRANSAMERICA-LOGISTICS-INC TRANSAMERICA-LOGISTICS-INC 62% s – related party” in the consolidated statement of operations. On April 10, 2024, the Company entered into a memorandum of agreement with Transamerica Logistics Inc., a company affiliated with membe…

C3is Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
CISS-DEBT-8664 Warrants outstanding: 6199230 90% xbrl warrant detail from xbrl 2025-12-31.
CISS-DEBT Debt stack $7,853 90% Market cache reports total debt of $7,853.

C3is Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for C3is Inc..

C3is Inc. Ownership

No ownership data on recordNo major institutional ownership relationships found in our database for C3is Inc..

C3is Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
RUBI Rubico Inc. 100.00 2
IMPP Imperial Petroleum Inc. 38.88 1 ['customer']
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CISS
Unlock CISS Supply Chain Data
Verified relationships include:
BRAVE-MARITIMEBRAVE-MARITIMESupplier90%
HELLENIC-MANNING-OVERSEAS-INCHELLENIC-MANNING-OVERSEAS-INCSupplier85%
IMPPImperial Petroleum Inc.Customer72%
IMPPImperial Petroleum Inc.Customer72%
+13 more relationships locked
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