GenPower is an independent power producer that develops and operates power generation assets. ​

Cogentrix Energy

Cogentrix is a leading independent power producer with a long track record of successfully acquiring, developing, constructing, operating, improving, and divesting power generation assets.


Installed Building Products, Inc. is one of the nation’s largest insulation installers for the residential new construction market and is also a diversified installer of complementary building products, including waterproofing, fire-stopping and fireproofing, garage doors, rain gutters, shower doors, closet shelving and mirrors, throughout the United States.

Horizon Lines

Horizon is a Jones Act maritime shipping and logistics business that originated from Sea-Land Service, Inc.

Protective Products

Protective Products sells and distributes its own and third party tactical and active apparel products..


PlyGem is a leading manufacturer of vinyl siding, aluminum windows, fencing, railing, stone veneer, gutterware and other building products.

Royal Manufacturing

Royal is a manufacturer and marketer of acrylic and cultured marble bathroom products including soaker and whirlpool bathtubs, vanity tops, sinks, shower walls and bases.


Burle develops and manufactures electro-optic components used in the detection of ions, electrons and photons for integration into a variety of applications such as night vision optics, digital cameras, mass spectrometry, physics research, space exploration and many others.


Crownline is a leading manufacturer of 18 to 34-foot sterndrive boats. Founded in 1991, the company is located in West Frankfort, IL.​