Anchor Drilling Fluids USA, Inc. is the largest independent drilling fluids company in the United States and has provided customized drilling fluid solutions, specialty products and well-site services for over 40 years. Anchor continues to strengthen its leadership position in each of the most active conventional and unconventional domestic onshore basins. Anchor’s team of seasoned industry professionals provide a broad array of value added energy services with a focus on meeting customer’s diverse wellsite service requirements.