Lubar & Co. Investments

Lubar & Co. has investment experience and a record of success with portfolio companies in diverse industries in various stages of development.

These companies represent meaningful investments where Lubar & Co. serves a significant role as investor, director and advisor.




Learn more about the operating philosophy » that helps Lubar & Co. portfolio companies reach their full potential.




































American Pasteurization Company

American Pasteurization Co. is a Milwaukee-based food processor that uses high-pressure processing (HPP) to make fresh foods safer, taste better and last longer. Go to site »

Approach Resources

Approach Resources is a Fort Worth, TX-based independent oil and natural gas company focused on exploring and producing unconventional oil and gas reservoirs. Go to site »

Zero Zone

ChemDesign Products provides specialty, custom, and toll chemical manufacturing for companies in the agricultural chemicals, consumer, energy, industrial and plastics industries. The company is headquartered in Marinette, Wisconsin. Go to site »


Enlink is a Dallas-based midstream natural gas company engaged in the gathering, transmission and processing of natural gas in North America and is a subsidiary of Devon Energy Corporation. Go to site »


Drilltec, Inc. is a Houston, TX-based, industry leader in innovating, engineering and manufacturing critical protection products for the oil country tubular goods (OCTG) market. Go to site »


Erdman Corporation, based in Madison, WI, is one of the nation's leading healthcare planning, development and design-build firms, partnering with hospitals, integrated health systems and physician groups to provide optimal healthcare facility solutions. Go to site »


Hallador, through its subsidiary Sunrise Coal LLC, is engaged in the production of coal from an underground mine in Carlisle, IN. The company also has oil and gas interests in the San Juan Basin located in the northwest corner of New Mexico, as well as in Michigan and North Dakota. Go to site »

Lake Express

Milwaukee, WI-based Lake Express is the first high-speed ferry in the United States. The ship carries passengers and vehicles across Lake Michigan between Milwaukee and Muskegon, MI, in just 2 ½ hours, saving passengers a lengthy drive through heavily congested Chicago. Go to site »

Milwaukee Brewers

The Milwaukee Brewers are a Major League Baseball franchise competing in the National League's Central Division. Go to site »


PetroSantander, based in Houston, TX, owns and operates oil and gas production in Colombia, Kansas, Brazil and Romania.

Rockland Industrial Products

Rockland Industrial Products, LLC, based in Red Wing, MN, is North America's second largest manufacturer of laminated wood flooring for the trailer and intermodal container markets.

Go to site »

Shared Imaging

Shared Imaging, LLC, is a leading, Streamwood, IL-based provider of CT, MRI and PET/CT imaging systems, services and equipment to hospitals and other healthcare providers. Go to site »

Star Gas Partners, L.P.

Star Gas Partners, L.P., based in Jersey City, NJ, is the nation's largest retail distributor of home heating oil, with operations in 10 states in the Northeast and Mid-Atlantic, as well as the District of Columbia. Go to site »

Zero Zone

Zero Zone, Inc., based in North Prairie, WI, is a designer and manufacturer of glass door refrigerated display cases and electrical distribution systems for supermarkets, convenience stores, drug stores, ice arenas and cold storage industrial applications. Go to site »