Main Street Capital announced that it closed a new portfolio investment totaling $6.5 million of invested capital in PCI Holding Company, the parent company of Pacific Consolidated Industries.

Main Street said its investment consists of $5 million in first lien, senior secured debt and a $1.5 million direct equity investment.

Main Street partnered with PCI’s management team and third party investors to acquire PCI and facilitate the recapitalization and growth financing of PCI.

Riverside, CA-based PCI manufactures ruggedized onsite liquid and gaseous oxygen and nitrogen generators for a variety of markets, including the military, medical, water & wastewater treatment, industrial, and oil & gas markets.