For this list, the most popular climbing brands often are the ones with the most recognition, products, and reputation for being a climber's companion. Black Diamond Equipment fits all of these qualifications. Some of their products include the classic Camelots, various bouldering crash pads, chalk, climbing shoes, ropes, and various apparel.
While their reach is great, what makes Black Diamond Equipment so incredible is their continuing support for the environment and for social justice. They continuously back efforts to restore land and protect it from special interests. From their tremendously massive product line, to their advocacy for land protection and environmental relief, Black Diamond continues to be at the front of the climbing revolution and deserves to be the most popular climbing brand on the market today.
Petzl is another incredible brand that has a wide product line and brand recognition. Petzl is a company that makes more technical gear for the modern climber. Their product line includes classics such as the Gri-Gri, ropes, crashpads, chalk, harnesses, and a myriad of other climbing gear necessary for climbers. They specialize in extremely high quality gear that lasts for a lifetime. With athletes such as Chris Sharma being sponsored by them, you can know for sure that you're getting the best of the best. Petzl deserves a spot on this list because of the wide variety of technical gear that they provide and the quality of the gear as well.
Metolius Climbing is another widely recognized brand that provides climbers with the gear necessary to explore the unexplored. They boast a huge catalog of high quality products including training gear, big wall gear, bouldering gear, sport climbing gear, and trad gear. Because their products are not only solid, but sold at an affordable price, they have earned their spot on this list as one of the best climbing brands of all time. Unknown to many, they also sell climbing holds and grips for at home walls. Metolius is really the one stop shop for climbers from beginner to expert.
Patagonia, while not a climbing specific company, was imagined by climber Yvon Chouinard. He was one of the very first climbers to enter Yosemite with the goal of climbing the monstrous walls that preside over the valley. Patagonia is a company that many climbers frequent and it has gained the rightful reputation of probably one of the best outdoor clothing companies of all time. Their mission to protect the environment, land, and air of the earth is one that speaks to many climbers. Not only is the brand and products linked with the highest quality, but their missions to protect land and the environment aligns with many climbers' visions for a better future.
La Sportiva and Scarpa are some of the most recognizable in the climbing world. The biggest debate between these two climbing shoe companies is which one is the superior brand. Both La Sportiva and Scarpa are highly recognizable brands who compete against each other in their design and performance of their shoes. Easily the best two shoe companies, these giants have some of the best technology and styles of shoes. From bouldering, trad, sport, and mountaineering shoes, these companies both provide climbers with a way to get outside and explore the unexplored.