David Bartelme

AT Investments LLC engages in the provision of construction services. The company is headquartered in Milwaukee, WI.

Gilman Cheese Corp. produces premium quality, shelf stable processed cheese for the gift pack, retail, and airline industry as well as smoked cheese, both natural and processed. The company was founded in 1949 and is headquartered in Gilman, WI.

Ellsworth Adhesives is a global corporation specializing in the distribution of specialty chemicals and equipment. They distribute a wide range of adhesives, sealants, lubricants, coatings, encapsulants, tapes, soldering products, surface preparations, specialty chemicals, maintenance and repair products and dispensing equipment. Not only is their product line extensive, but they are the only integrator specializing in the supply and logistics of specialty chemicals. One particular strength of Ellsworth Adhesives is their people and their ability to work across many industries in the engineering of adhesive and dispensing applications for their customers. Additionally, they excel at the logistics of supplying their products accurately and on time whether it is to a single location or many locations throughout the world. They will be available to client’s every step of the way from order to application with technical support and service from over 50 field application engineers. Their latest effort to enhance customer service includes an online chat feature staffed with the finest Glue Doctor experts in the industry. At Ellsworth Adhesives they dedicate themselves to servicing the customer and exceeding their expectations on a daily basis. It is their belief that no customer owes them their business, and to that end, they pledge to treat every order like the first order. That attentive treatment of each order is enhanced with their Electronic Data Interchange System to create a truly accurate ordering process. Furthermore, they understand the importance of timely and accurate deliveries and have developed quality inventory management programs to ensure this takes place on a routine basis. They have been recognized as an industry leader that provides consistently accurate and timely delivery of products with the requested expert certifications, as well as the documentation and complete labeling that their customers require. Now, clients are able to search for MSDS/TDS Documentation through their website. With over 30 years of industry experience, Ellsworth Adhesives has also developed a myriad of methods to help their customers save money. They are able to support most specialized custom packaging needs their customers desire to make product usage easier. The extensive measures they take, to ensure everything is done correctly the first time, are necessary to exceed the high quality and performance standards they set for themselves. Ellsworth Adhesives'' is the most capable and knowledgeable supplier of specialty chemicals and adhesives in the marketplace. They have a strong commitment to their employees and customer satisfaction, both of which they believe to be the cornerstones of their success.

Durex Products, Inc. is a company that specializes in providing screening solutions for the aggregate, mining, recycling, concrete, and industrial industries. Durex Products was founded in 1965 and is based in Luck, WI. The company offers screen media, wear liners, and screen accessories to help their customers screen more efficiently and ensure their equipment and operation are running at their best. The company also offers wear-resistant urethane, urethane-ceramic, and rubber-ceramic liner solutions that provide long-term protection in concrete plants and concrete trucks. The company was acquired by Borgman Capital LLC on December 13, 2021.

Aerial Work Platforms, Inc. has been providing the construction industry with rental, service, and sale of aerial work platforms since 1979. The company is based in Sussex, WI and was founded in 1979 by Sue Barney and Pat Barney. The company's fleet includes scissor lifts, boom lifts, telehandlers, personnel & material lifts, forklifts, and more from trusted names such as Genie, Skyjack, JLG, Hybrid, and Nifty-Lift. The company offers competitive rental rates, low-cost freight, and no environmental fees. AWP delivers superior customer service, satisfaction, and value, which has earned them repeat business from their customers.

Ascendtek LLC provides telecommunications and infrastructure construction contracting services. The company is based in Appleton, WI and has subsidiaries in the United States. The company was founded in 1938 by David Bartelme.

Borgman Capital LLC (Borgman Capital) is a private equity firm founded in 2017 by Sequoya Borgman, Borgman Capital LLC is headquartered in Milwaukee, Wisconsin.