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.