Kohlberg Kravis Roberts & Co. has agreed to acquire a 12.5% equity stake in Saba Infraestructuras, a Spanish operator of car parks and logistics parks. No financial terms were disclosed. Existing Saba Infraestructuras shareholders include Criteria CaixaHolding (55.7% equity stake), Torreal (20%) and ProA Capital (10.5%). www.kkr.com
Littlejohn & Co. has sponsored a recapitalization of Installed Building Products, a Columbus, Ohio-based installer of insulation and building products to residential and commercial customers. No financial terms were disclosed. www.littlejohnllc.com
The Halifax Group has acquired XL Associates, a McLean, Ga.-based provider of acquisition, grants and professional services to federal agencies. No financial terms were disclosed.