Private equity firm Quad-C Management announced the firm has made five investments in the last 15 months, including four new investments and one add-on investment to a current portfolio company.

“It has been a very active year for Quad-C. We are pleased to share the news of our investments in these growing companies that hail from five of the six industries where we have significant expertise — business services, consumer, general industrial, healthcare, specialty distribution and transportation/logistics,” said Tony Ignaczak, President of Quad-C Management. “We are fortunate to have found exceptional management teams to partner with and we look forward to continuing to build value at each of these companies through our jointly crafted growth strategies.”

The five recent investments include:

Interwrap: Interwrap is a leading global manufacturer of highly engineered coated woven materials and multilayer laminated substrates for a diverse range of applications including synthetic roofing underlayment, protective packaging and geotextiles.

Worldwide Express: Worldwide Express is a franchisor with 119 independently owned franchise offices across the U.S., serving small-to-medium-sized businesses by providing various asset-light logistics services, including small parcel shipping and less-than-truckload and full truckload freight brokerage services.

EFC International: Founded in 1983, headquartered in St. Louis, MO, EFC International is a leading value-added distributor of specialty fasteners to the Automotive and Industrial end-markets.

Towncare Dental: Dental Care Alliance, a portfolio company of Quad-C acquired Towncare Dental in December 2012 and has now fully integrated the business. Founded in 1991, Dental Care Alliance, is a multibranded dental practice management company in the United States. Since Quad-C’s investment in DCA in May 2012, the company has completed 15 acquisitions, including Towncare Dental.

Network Hardware Resale: NHR is a global provider of refurbished and surplus networking equipment, servers and optics as well as network equipment maintenance services.

Quad-C also announced today the launch of its new website: www.quadcmanagement.com.