At 4-DH, our story in the oil and gas sector started from humble roots in East Texas. With more than 20 years of collective experience in production, midstream, refining, and chemical plant operations, we know the value of hard work. We recognize that our success is linked to the success of our clients, which drives us to deliver genuine value through our services and solutions. 4-DH is dedicated to supporting your operations team around the clock. You are guaranteed a return on investment, or you don't pay. Together, we are creating a brighter future based on integrity and higher purpose.