Profile: American Block Co. manufactures oilfield equipments. Our products include sheaves, drilling block, rotary tables, swivels, mud pumps, fairleads, high pressure unions and pressure gauges. We also repair drilling equipment. Our sheaves feature includes normalized forged rings to eliminate cracks, full penetrations welds between the web & hub and each sheave is thermally stress relieved. Our fairleads are ideally suited for all mooring applications.