Dynamic and quick to respond to client needs, Guardians mission is to meet the growing requirement for high-quality, reliable state-of-the-art logging tools with flexibility and commitment to customer service. We are now a key supplier to several major service companies, including Halliburton (worldwide), Weatherford (Worldwide), Aker-Kvaerner (Europe and Middle East), Expro (Europe & USA). Services and data from our products are used by every major oil company, and some, for example Shell, standardise on certain elements of our technology