Hallador Energy is engaged in the production of steam coal from mines located in western Indiana. The company also owns a 50% interest in Sunrise Energy, LLC, a private gas exploration company with operations in Indiana. Additionally, the company owns 100% of Hourglass Sands, LLC, a frac sand mining company in the State of Colorado.

Myomo is a wearable medical robotics company that develops, designs, and produces myoelectric orthotics for people with neuromuscular disorders. The company develops and markets the MyoPro product line. MyoPro is a myoelectric-controlled upper limb brace, or orthosis. The orthosis is a rigid brace used for the purpose of supporting a patient's weak or deformed arm to enable and improve functional activities of daily living, ADLs, in the home and community. The company's devices are referred for patients at rehabilitation facilities, including, among others, the Mayo Clinic, Cleveland Clinic, Walter Reed National Military Medical Center, and VA hospitals across the country.

Opal Balance Investments Ltd, formerly Globalicom Trade Ltd, is an Israel-based company which offers various financing and cash solutions.

SandRidge Energy is an oil and natural gas company focusing on exploration and production activities in the U.S. Mid-Continent and North Park Basin of Colorado. The company holds interests in leasehold acres located primarily in Oklahoma and Kansas. The company also has working interest in the North Park Basin which is located in north central Colorado.

RedstoneConnect Plc, formerly Coms Plc, is engaged in providing technology and services for smart buildings and commercial spaces through its core businesses, Redstone and Connect IB. The Company, through Redstone, provides a range of services, including design, build and installation; managed services, and software solutions. The managed services encompasses the provision of outsourcing services spanning network infrastructure management, smart buildings support services, desktop and data center support services and move, add and change services. Redstone offers OneSpace occupancy management product. The Company, through Connect IB, creates digital solutions. Connect IB develops and deploys applications, including those that address mapping and way finding of Smart Buildings and Smart Spaces, such as car parks or retail shopping centers. It serves customers of all sizes, including corporations, such as property developers, landlords and principal occupiers of commercial property.