Annica Holdings Limited, an investment holding company, engages in trading oilfield parts and equipment, and related products. The company operates through three segments: Energy Services, Oil and Gas Equipment, and Engineering Services. It is involved in designing industrial plant engineering service systems, as well as operates as a general wholesaler and trader. The company also engages in trading, assembling, and renting of power generators, pyrolysis, and industrial plant and equipment, as well as provides related services. It has operations in Singapore, Malaysia, Indonesia, Thailand, Vietnam, Brunei, Myanmar, and internationally. The company was formerly known as Oculus Limited. Annica Holdings Limited was incorporated in 1983 and is based in Singapore.