About Us
30+ Years of Engineering Excellence
World-leading specialists in drilling derricks, masts, and substructures. Engineering excellence delivered globally from our four strategic locations.
Our Story
Built on Three Decades of Expertise
Derrick Services Limited (DSL) has been at the forefront of the drilling equipment industry since 1993. Based in Great Yarmouth, UK, we specialise in the design, manufacture, inspection, and refurbishment of drilling derricks, masts, and substructures.
Our team of highly skilled engineers, designers, and technicians brings decades of combined experience to every project. We pride ourselves on delivering innovative solutions that meet the most demanding industry standards.
As part of the OES Group, we leverage global resources and expertise while maintaining the specialist focus and personal service that our clients value.
Our Great Yarmouth Headquarters
State-of-the-art fabrication facility
Years Experience
Global Offices
Projects Completed
24/7
Support
Our Values
What Drives Us
Safety First
We prioritise safety in everything we do, protecting our people and the environment.
Engineering Excellence
We deliver world-class engineering solutions through innovation and expertise.
Customer Focus
Our clients' success is our success. We build lasting partnerships through reliable delivery.
Innovation
We continuously invest in new technologies and methods to stay at the forefront of our industry.
Our Journey
Company History
Company Founded
Established in Great Yarmouth as a specialist drilling equipment engineering company.
International Expansion
Opened first overseas office, expanding services to the Middle East region.
Workshop Expansion
Major investment in fabrication facilities, tripling our workshop capacity.
OES Group Formation
Became part of the OES Group, strengthening our global service capabilities.
Digital Transformation
Launched digital inspection and asset management platforms.
Global Operations
Operating across four continents with a team of 200+ specialists.
Part of
OES Group
Strength through partnership
Our Parent Company
Backed by Global Expertise
As part of the OES Group, DSL benefits from the collective expertise and resources of a global engineering services organisation.
The OES Group brings together specialist companies in drilling equipment, inspection services, and facilities management, providing comprehensive solutions to clients worldwide.
Learn more about OES GroupReady to Work With Us?
Contact our team to discuss your project requirements.