Sean Darin

O2 Investment Partners LLC (O2 Investment Partners) is a private equity firm founded in 2010 by Hansen Jay J. The firm is headquartered in Bloomfield Hills, Michigan.

Berlin Rosen Ltd. is a full-service communications firm with over 600 communications and campaign strategists in various locations. The company is based in New York, NY, and has subsidiaries in the United States. The company provides services in corporate, social impact/ESG, nonprofit, entertainment, media, racial justice, healthcare, hospitality, lifestyle, technology, issue advocacy, and workers' rights communications. Berlin Rosen has received several accolades, including being named the #1 best PR firm by Observer multiple times, PRWeek's outstanding large agency of the year, and PRNews' large PR agency of the year. The company was founded in 2005 by Jonathan Rosen and Valerie Berlin.

Finnea Group, LLC provides management consulting and financial advisory services. The private company is based in Birmingham, MI. The company was founded by Timothy D. Leuliette.

4M Building Solutions, Inc. provides cleaning and janitorial services. It specializes in cleaning of office buildings, corporate headquarters, schools, manufacturing/industrial, and entertainment facilities. The company was founded by Mitch Murch Sr., in 1978 and is headquartered in St. Louis, MO.

EIS Holdings LLC is a leading provider of environmental and specialty infrastructure services with over 1100+ employees and 24 offices across the United States. The company is based in Fort Worth, TX and has subsidiaries in the United States. The company performs a full suite of abatement, decontamination, remediation, and other environmental services with safety and efficiency. EIS Holdings is dedicated to exceptional growth that is bolstered by geographic expansion, service line extensions, and strategic acquisitions. The company has long-term customer relationships that drive repeat and reoccurring business. With over 35,000 projects completed nationwide, EIS Holdings is committed to doing good and building trust with its clients. EIS Holdings was founded in 2018 and the CEOs are Kory Mitchell and Gary Caldwell.