OmniCluster Technologies announced on Tuesday it received a $10 million first round of funding led by HIG Ventures. Other investors included Mellon Ventures and CrossBow Ventures. Boca Raton, Fla.-based OmniCluster designs hardware and software that links servers together so they can perform as one unit. OmniCluster's customers use its technology for such tasks as Web serving, firewalls and distributing processing power. See complete list.