Profile: Hawkeye Industries Inc. manufactures liquid level gauging systems, tank vapour control solutions, ID controlled transition fittings, polyethylene pipeline fittings and oil production equipment. Our Marshhawk anti-freeze thief hatch is a deep-set pressure and vacuum relief for atmospheric tanks. Our fabricated polyethylene fittings are manufactured from raw billet materials, or injection molded from resin stock. It comes in a wide range of styles and sizes suitable for gas pipeline systems. We also offer redtail hawks, roadside hawks and greyhawk liquid level gauging systems. Redtail hawk is a sealed float-activated level gauge that features a dry-seal design. Roadside hawk is a compact design suited for higher pressure applications, as well as underground tanks. The greyhawk level indication system provides an effective and economical way to directly gauge level in knock-out or other horizontal tanks.