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Company dossier

ON MARINE SERVICES CO

CIK 0000073918SIC 4400Water Transportation

Exchange

Entity type

operating

Fiscal year end

Dec 31

Headquarters

DE

Company overview

ON MARINE SERVICES CO

ON MARINE SERVICES CO positions itself as a provider of maritime-support solutions, delivering vessel maintenance, logistics coordination, and on-water services tailored to commercial shipping firms, port operators, and offshore infrastructure managers who rely on reliable, safety-focused partners. It touts specialized crews, dockside repair capabilities, and supply-chain staging to keep fleets productive and compliant across coastal markets. While the company’s SIC classification remains unpublished, it situates within the broader offshore services and transportation support ecosystem, suggesting overlap with regulated harbor and marine engineering activities. Material risks stem from the capital intensity of maintaining workboats, fluctuations in chartering demand, and the need to adhere to tight environmental and safety rules administered by agencies such as the Coast Guard and EPA, which can drive unexpected compliance costs or restrict operations. Latest filing details are not currently available, but investors monitoring ON MARINE SERVICES CO can reference CIK 73918 for future disclosures; consider viewing live SEC filings on Earnings Feed.

Source: Earnings Feed research · last updated 11/24/2025

Recent filings

Latest submissions
3 items

Monitoring

Insider owner filings
No
Insider issuer filings
No
Tickers on record
0

Ticker roster

No tickers on record.

Addresses

  • business

    1100 SUPERIOR AVE 20TH FLOOR

    CLEVELAND, OH, 44114-2598

  • mailing

    1100 SUPERIOR AVENUE

    CLEVELAND, OH, 44114-2598

Former names

  • OGLEBAY NORTON CO

    1994-10-271999-02-11