CalTopo was created in 2011 as a solution to the search and rescue problem of creating easy to use maps in the field and sharing them amongst team members. Since then CalTopo (and product SARTopo) has grown significantly to offer mobile apps on iOS and Android. CalTopo is used widely by SAR teams and a variety of free and discounted accounts are offered to SAR teams and their members.

Is a privately held company with more than 50 years of experience at the technological front of the sailing equipment industry. Building upon this background, Harken Industrial has developed industrial equipment that can withstand the harshest environmental conditions