Descrição Small companies can expect a little extra attention when CapEx comes on the scene. CapEx is an investment fund that specializes in mezzanine debt and equity investments in later-stage private or small-cap public companies with revenues of at least $10 million. An active investor, CapEx typically injects between $2 million and $5 million into companies in such industries as business services, consumer products, and manufacturing; it avoids the financial services, high tech, energy, and real estate sectors. Investments have included BriteSmile and SSP America (formerly Creative Host Services).