Welcome to API Marine! Advanced tank measurement technology


API Marine sets the standard by bringing proven measurement technologies of the 21st century into use on tank installations within marine and industry, providing customers with improved and high level of accuracy and efficiency in tank measurements.

We want to contribute to our customer’s profitability by supplying high quality sensors and systems, excellent service, and state-of-the-art high-tech solutions, where reliability and durability are keywords.

Welcome to API Marine!

The API Marine International Headquarters and Factory are situated in Aalborg, Denmark.

The company was established with the aim of bringing cutting-edge measurement technology for tank management, operation, and control into the 21st century and has brought sensors and systems with exceptional accuracy and reliability to the market.

API Marine supplies complete range of sensors in addition to calculation and administration software combining integrated automation solutions of Smart Tank Management and Control Systems.

The API Marine range of high-quality Sensors, Integrated Automation, Remote Sounding and Cargo Control Systems meet all IMO and US Coast Guard requirements for any type of ships.

API Marine is certified according to ISO 9001:2018 and PQAN for production procedures according to the ATEX / IECEx requirements.

API Marine products

The range of API Marine products cover series of patented high precision sensors, control and monitoring systems as well onboard operation, stability and strength monitoring software designed and manufactured to meet the hardest marine environments.


1410, 2020

API Marine Sensors – Winterization for cold climate operations

October 14th, 2020|

                                                                                       We proudly announce that API Marine again has been chosen as supplier of the API Marine Cargo Ta [...]

2804, 2020

New Contracts!

April 28th, 2020|

We proudly announce, that API Marine together with Marine Control Services (MCS), have been invited to deliver the full tank level remote sounding system – BMS4/AutoGauge V1 for the c [...]

1404, 2020


April 14th, 2020|

Norwegian Siem Car Carriers AS specialized in the transportation of automobiles, roll on roll off (RO-RO) and break bulk cargo now runs its two new building sisterships “Siem Confuciu [...]

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