About Us

Company Overview

Mamanis Sdn Bhd (MMSB) was incorporated as a Bumiputera company with Malaysia Liquefied Natural Gas (LNG) back in 1992. Where our company began its humble inception, primarily on maintenance projects (living space). With continuous progress, we soon landed ourself with more minor civil works at MLNG Industrial Plant. Ever since then, we had served and conducted our partnerships with ASEAN Bintulu Fertilizer Sdn Bhd (ABF), Bintulu Port Holdings Bhd (BPHB), Shell Middle Distillate Synthesis Malaysia (Shell MDS Malaysia), Bintulu Kidurong Club (KKB), Jabatan Kerja Raya (Bintulu), and now joining our recent clientele; Petronas Dagangan Berhad (PDB) and Petronas Carigali Sdn Bhd (PCSB).


Second quarter of 1995, Mamanis Sdn Bhd was appointed “VENDOR” by PETRONAS Malaysia LNG Sdn Bhd & ASEAN Bintulu Fertilizer Sdn Bhd, under the Vendor Development Program (VDP) for Plant Maintenance and Services work. This opportunity, coupled with our commitment to reproducing satisfactory experience for our patron, has gained us credible trust from numerous clients.

Projects completed

passionate Employees

MMSB has been awarded a numbers of Civil Maintenance & General Works contract, Malaysia LNG Sdn Bhd Housing from (1993 – 1996), Grit Blasting & Industrial Unit Rate Painting Contract in (1996), and Insulation & Scaffolding Service (British Standard) by ASEAN Bintulu Fertilizer Sdn Bhd (1996 – 1998). With these contracts successfully fulfilled, ranging from (1993 – 2008), it had sustained our level of confidence toward more comprehensive agreements. In 2015, Mamanis Sdn Bhd was awarded by PETRONAS “Sarawak Outstanding Vendor” for its excellent performance.


In 2017, MMSB branch out into a new set of opportunities. This time around as trusted Petronas vendor in “Provision of Heat Ventilation & Air-Conditioning (HVAC) Maintenance Services (Upstream & Downstream) For Sarawak Region, expanding our business grounds into Petronas Carigali Sdn Bhd. Base MMSB steadfast experience for the past twenty-six years of service, we are optimistic in becoming a progressive and competitive, Bumiputera company within the Oil & Gas, as well as other industry.