Alpina Holdings Ltd is an established Singapore-based contractor that specializes in providing Integrated Building Services (IBS), Mechanical and Electrical (M&E) engineering services, Alteration and Addition (A&A), and Rental income from investment property (RI). The group provides IBS and M&E engineering services mainly as the main contractor and provides A&A works as a subcontractor. The majority of revenue is derived from the IBS segment.