About us

Industry Leaders

Welcome to JK Drilling! We are a leading company specializing in dolomite investigation drilling, with a focus on dolomite risk management and sinkhole repairs. Based in Centurion, South Africa, our company is dedicated to providing top-notch drilling services to meet the geological needs of our clients. With a dedicated team, state-of-the-art equipment, and a commitment to environmental preservation, we stand out as industry leaders. A letter of good standing, SARS and CIPC documents as well as a method statement is available upon request.

Our Values


We are committed to delivering excellence in every aspect of our work. Our experienced team ensures that operations are carried out with precision, accuracy, and the highest level of professionalism. From administrative tasks to on-site operations, we uphold the standards that set us apart in the industry.

Environmental Responsibility:

Environmental preservation is a core value at JK Developments/Drilling. We take all necessary precautions to restore sites to their original condition after drilling. We use environmental mats during refueling to prevent spills and perform regular inspections of our machines to prevent leaks, altogether ensuring our operations have minimal impact on the environment.

Safety First:

The safety of our employees and the communities we work in is paramount. We prioritize the use of personal protective equipment (PPE), including hard hats, gloves, safety glasses, safety boots, and more. Our vigilant approach to risk identification and prevention ensures that everyone remains safe during all drilling activities, reflected in our excellent safety record with no major incidents since inception.

About us

Meet our team

Our Centurion-based office is staffed by a dedicated team that manages queries, administrative duties, planning, and invoicing. In addition, we have a team of experienced personnel to be dispatched to our various work sites. We prioritize health and safety, ensuring each site operation is overseen by qualified personnel. Our operators, loggers, and drivers undergo comprehensive training through both in-house programs and external certifications, including training in firefighting, first aid, and general safety from SAICE and Medcorp. All of our vehicles are equipped with fire extinguishers and first aid necessities. Our daily toolbox tasks focus on safety aspects. 

About us

Meet our partners

Francois Jordaan – Partner Francois Jordaan, a founder member of the company, brings a wealth of knowledge from his background in Civil Engineering and Construction. His role within the company primarily revolves around administrative tasks, but he also plays a crucial role in managing the financial and marketing aspects of the business.

Hennie Ter Stege – Partner and Geological Risk Investigator Hennie Ter Stege joined JK Developments in 2006 as a partner, coinciding with the company’s expansion. With a background as a qualified Civil Engineer and his dedication to solving complex geological problems Hennie’s expertise became invaluable in dolomite risk management. He garnered recognition for his pragmatic approach to solving challenges related to dolomite formations, particularly during his tenure at the Centurion Municipality. His interest in resolving dolomite-related issues led him to collaborate with geologists, and he eventually transitioned to JK Developments/Drilling. Hennie now focuses on overseeing day-to-day operations, information collection for client reports, and managing invoicing.

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