Centum Investment

Longhorn Publishers is a Kenyan publishing company that develops and sells learning materials and general books for educational use in East and Central Africa. Its portfolio focuses on primary and secondary school content, with operations across Kenya, Tanzania, Uganda, and Rwanda, and Kenya representing the largest share of revenue. The company traces its roots to 1965, when it was established as Longmans of Kenya as a subsidiary of Longman Group International; in 1969 the name was changed to Longman Kenya. Over time the business evolved into Longhorn Publishers, expanding its publishing program and regional footprint. Today, Longhorn Publishers serves schools and learners by providing educational resources and related materials suited to the regional curriculum, aiming to support classroom instruction and learning outcomes.

GreenBlade Growers is an agriculture firm based in Ol Kalou, Kenya, focused on growing, processing, and exporting fresh herbs and vegetables, including chives, mint, tarragon, lemongrass, wild rocket, rosemary, and coriander. It produces a range of herbs, fruits, and vegetables and operates an integrated crop management system to optimize yields, quality, and supply for domestic and export markets.