Jonker delivers large-scale civil engineering and infrastructure projects across South Africa, providing end-to-end construction solutions for transport, energy, water, mining, and industrial sectors.
Roads, Earthworks & Bulk Infrastructure
Jonker specialises in roads, bulk earthworks, and large-scale infrastructure development for municipal, mining, and industrial clients. Our capabilities span road construction and rehabilitation, bulk earthworks, terracing, pipeline installation, HDPE-lined infrastructure, and landfill construction.
Water, Sewer & Pipeline Infrastructure
We deliver critical water and sewer infrastructure projects that support municipalities, industry, and mining operations. Jonker designs and constructs bulk water pipelines, sewer networks, pump stations, water treatment facilities, and related infrastructure to ensure safe, reliable water supply and waste management.
Building & Structural Construction
Jonker provides comprehensive building and structural construction services for industrial, commercial, and institutional developments. Our portfolio includes warehouses, distribution centres, factories, retail buildings, hospitals, and specialised industrial facilities.
Mining & Industrial Services
Jonker supports mining and heavy industrial clients with specialised construction and operational services. Our offering includes mining infrastructure, underground construction, materials handling, tailings management, and plant-related civil and mechanical works.
Drilling, Geotechnical & Borehole Services
Our drilling and geotechnical services support civil, mining, and infrastructure projects through specialist investigations and construction solutions.
Why Choose us
What makes us different
It is not only about completing projects; it is about engineering safer, smarter and more sustainable infrastructure for clients across South Africa and beyond.
Safety &
Zero Harm
ISO 45001-aligned systems ensure uncompromising safety & incident-free delivery on every site.
Safety & Zero Harm
ISO 45001-aligned systems ensure uncompromising safety & incident-free delivery on every site.
Certified
Compliance
ISO 27001, 9001 and 14001 standards drive quality, security and environmental governance.
Certified Compliance
ISO 27001, 9001 and 14001 standards drive quality, security and environmental governance.
Transformation
Impact
Level 2 B-BBEE, 51% woman-owned with community skills development on every project.
Transformation Impact
Level 2 B-BBEE, 51% woman-owned with community skills development on every project.