Oracle channel partners work in conjunction with Oracle to resell its products and services, often with customizations specific to each individual buyer. In addition to the value-added reselling of these tools, many Oracle channel partners also offer implementation services. In situations where partners do not offer those services, buyers can utilize the services of companies that specialize in software implementation to assist with installation and training. Oracle offers a fully integrated stack of cloud applications, platform services and engineering systems. Products like Oracle BI provide business intelligence solutions, and Oracle Eloqua offers cross-channel marketing solutions.