Stay Out There Longer Companion has, over the last 80 years, established a reputation as a leading producer of market leading outdoor products including gas appliances, portable fridge/freezers, power and electrical solutions. Whether you are a first-time camper or a dedicated outdoor enthusiast, Companion allows you to explore the outdoors and stay longer with home-like comforts. Fresh and Cool Companion ice bricks come in a convenient range of sizes suitable for any coolers big or small. They are reusable and keep your food and drink colder and fresher for longer.