AxisMaps is a company specializing in custom map design and data visualization services. They are renowned for creating visually appealing and informative maps that cater to a wide range of applications, including interactive web maps and static print designs. Their expertise lies in merging cartography and design, which helps organizations communicate spatial data effectively. The website you mentioned, part of their offerings, is an online tool called ColorBrewer, which assists in selecting color schemes for maps to enhance readability and comprehension of spatial data.