The Riverside Co., a global private investment firm focused on the smaller end of the middle market, has closed its Riverside Value Fund I at its target of $350 million in capital.

The Riverside Value Fund invests in businesses undergoing operational transformation or facing complex situations or challenges. The fund has a flexible mandate, but primarily targets control investments in North American businesses that generate revenue between $60 million and $300 million. The fund has already invested in LMG Holdings Inc., a national manufacturer and distributor of ignition interlock devices for DUI offenders, followed by add-on Alcohol Monitoring Systems to form SCRAM Systems, a judicial monitoring services provider for alcohol-related offenses. The fund has also invested in PFB Corp., a manufacturer of insulation building products, as well as Siffron, a manufacturer of merchandising display products and loss prevention services.

Since its founding in 1988, Riverside has made more than 970 investments. The firm’s international private equity and flexible capital portfolios include more than 150 companies.