The New Zealand-based company provides an online accounting system which has rapidly gained user numbers and integration with major financial institutions. 2) Amcom Telecommunications Limited (ASX: AMM) offers a range of solutions for companies accessing the cloud. The solutions include data centres, managed services and cloud data protection. 3) Telstra Corporation Ltd ( ASX: TLS ) is not about to miss out on the cloud revolution. While Telstra's sheer size makes the cloud just one potential profit driver of the overall group, its market leadership position also means it can capture market share of this growing segment by cross-selling to its customer base. 4) TPG Telecom Ltd ( ASX: TPM ) owns Australia's third largest metropolitan fibre optic network including its own submarine cable system between Australia and Guam.