Littlejohn and Co. has announced the acquisition of Interior Specialists (ISI), a provider of interior design and installation services for the homebuilding industry. ISI products include flooring, countertops, window coverings and cabinets for residential and commercial builders. With Littlejohn’s backing, the company intends to identify strategic acquisitions that will expand the company’s geographic footprint and broaden its product offerings. ISI currently serves U.S. markets in the West Coast, Southwest and East Coast. Littlejohn is investing from its $2 billion Fund V, which closed in July 2014.