The company employes 37,000 people and utilizes a logistics network that includes chemical and coastal tankers, barges, tugboats, and bulk installations at major ports in Indonesia and other strategic locations worldwide.

[3] In addition to its involvement in the palm oil industry, the company has interests in real estate and owns the 4-star Mikie Holiday Resorts in Berastagi, North Sumatra.

[4] In 1932, Anwar Karim founded the Nam Cheong Soap Factory in Medan, North Sumatra, laying the foundation for what would later become Musim Mas.

Two years later, in 1990, Musim Mas set up its first kernel-crushing plant in Medan and in 1991, it established its first palm oil mill in Rantau Prapat.

[9] In 2013, Musim Mas opened its first office in Vietnam[10] and became the first company to achieve the Indonesia Sustainable Palm Oil (ISPO) certification.

Additionally, wholly owned subsidiary MasChem BV announced plans for an ethoxylation facility at the Dow Benelux site in Terneuzen.

In 2017, the company established a joint venture with Genting Plantations to set up a refinery in Lahad Datu, Malaysia, and acquired a sulfation plant in Barbastro, Spain.

Musim Mas offers a wide range of products including biodiesel, bleaching earth, bypass fats/rumen bypass fats, commodities, cooking oils, emulsifier-stabilizer blends, emulsifiers, esters, fatty acids, fatty alcohols, household products, margarine/shortening, medium-chain triglycerides, palm wax, refined glycerine, soap/skin care/hygiene products, soap noodles, specialty application oils, specialty fats, surfactants, and vitamin E. In 2021, Musim Mas was ranked 9th on FoodTalks' Global Top 30 Specialty Oil Companies list.