Based in Pompano Beach, Fla., Fill Express provides Nitrox and technical divers with breathing gas fills, training, brand name products and services. It serves the SCUBA diving community by providing retail services and equipment focused on Nitrox and technical diving. The firm sells and rents cylinders and equipment for use in sport and technical diving. The company blends a variety of compressed gas mixtures used in all types of diving. Fill Express offers premix and custom blends of Nitrox and Trimix as well as pure Oxygen. Additionally, the dive shop provides instruction in Nitrox and technical SCUBA diving as well as gas blending. The firm is a member of International Association of Nitrox and Technical Divers (IANTD).