PORTSMOUTH, N.H. — SilverCloud Knowledge Systems said it has signed three new credit union clients in the past month and expanded its business with four more.

The new customers are $272 million Fort Campbell FCU in Clarksville, Tenn., $165 million Cabrillo CU in San Diego, Calif., and $224 million Oregonians CU in Portland, Ore., the company said.

The expanded contracts, SilverCloud said, are with $1.2 billion Central Florida Educators FCU of Lake Mary, Fla., $489 million San Francisco Fire CU of San Francisco, $674 million Empower FCU of Syracuse, N.Y., and $617 million Coast Hills FCU of Lompoc, Calif.

SilverCloud (www.silvercloudsoftware.com) now provides employee and member information through its KnowledgeBooks modules to more than 155 credit unions, the company said.