For many years, Open Channel Flow Inc. has provided solutions to open channel flow problems for customers throughout the U.S. and around the world. Proviro Inc. and OCF have now formed a partnership to market OCF's products in the Canadian market.  The fiberglass-reinforced plastics (FRP) are engineered for a wide range of corrosive and abusive environments and are intended to save both the time and money of customers.  Open Channel Flow offers seven type of flumes for open channel flow monitoring:
 Parshall, Palmer-Bowlus, H-Type, Trapezoidal, Cutthroat, RBC, and Montana.
Each flume has its own advantages and disadvantages and it is recommended that before selecting a flume that the characteristics of each flume be considered.