Capacity Building Assistance The Denver Prevention Training Center provides Capacity Building Assistance (CBA) in collaboration with healthcare organizations and medical providers to implement or improve HIV prevention services. We offer no-cost consultation, technical assistance, trainings and resources customized to meet the needs of each customer. Capacity Building generally refers to a process to increase the skills, infrastructure, and resources of individuals, organizations and communities. Capacity building is a key strategy for the promotion, delivery and sustainability of HIV prevention programs. Read more. Our Services (click on each to learn more) Partners and Collaborators The Denver PTC works with many partners and collaborators. Learn more here. The Denver PTC is a proud member of the CBA Provider Network.