Control Flow supplies valves and parts, heat compensators and pipe laying equipments to oil exploration companies. The company provides field installation, commissioning, equipment surveying and repair services for its products. Control Flow s manufacturing facility offers design, in-house testing and training services. Its equipment includes hydraulic and manual blow out preventers, Christmas trees, work over and drilling accumulators, choke control panels, and custom choke and kill manifolds, as well as flanges, crosses, tees, studded adapters and diverter spools. The company s wellhead equipment includes hangers, slips, test plugs and retrieval tools. Control Flow s products are available through its U.S. district sales offices, service centers and regional warehouses.