A wholly owned subsidiary of Dayang and licensed by Petronas, DESB commenced operations in October 1980 and is principally involved in the provision of maintenance services for Topside structures, pipes and valves, electrical and instrumentation, fabrication operations, and hook-up and commissioning services for the oil and gas industry.
DMSSB, a subsidiary of Dayang, began operations in May 2005 and is involved in the chartering of marine vessels, including floating accommodation and catering.
DMSSB possesses its own marine vessels, the first being "Dayang Pertama", a 189-personnel maintenance and accommodation workboat, which was completed in the second quarter of 2005. The vessel is currently used to provide offshore accommodation for the company’s contract with Petronas Carigali Sdn. Bhd.
DMSSB also has a straight supply vessel known as "Dayang Maju" that was commissioned in February 2006.
"Dayang Berlian" a sister vessel of Dayang Pertama was completed and delivered in January 2007.
"Dayang Nilam", an accommodation workboat was purchased by DMSSB in February 2008 and refurbished to meet current marine specifications.
"Dayang Zamrud", another sister vessel of "Dayang Pertama", was completed and delivered in July 2009. This vessel, also a 189 personnel maintenance and accommodation workboat is chartered to Brunei Shell.
DMSSB also acquired another supply boat known as "Dayang Cempaka" that was delivered in May 2011.
"Dayang Topaz", a 80.4 m workboat was completed and delivered in February 2012. It is equipped with sophisticated facilities with a capacity to accommodate nearly 200 personnel with a big open deck space and a 45 tonne capacity crane.
"Dayang Opal", a sister vessel of "Dayang Topaz" was completed and delivered on 28 January 2014.
"Dayang Ruby" another sister vessel of "Dayang Topaz" was completed and delivered in February 2015.
FTSB, which commenced operations in 1999, provides rental equipment and machinery to support the operations of DESB.
PPB is an investment holding company listed on the Main Market of Bursa Malaysia Securities Berhad. PPB owns seventeen (17) vessels and the principal activities of its subsidiaries are provision of marine support services for the oil & gas industry. This synergistic tie-up with PPB provides a strategic access to vessels, thus increases Dayang's marine and vessels capabilities.