David Kolstad

Grubb & Ellis Co. is a commercial real estate services and investment management company. The company's range of services includes tenant representation, property and agency leasing, commercial property and corporate facilities management, property sales, appraisal and valuation and commercial mortgage brokerage and investment management. It operates its business through the following segments: Management Services, Transaction Services, Investment Management and Daymark. The Management Services segment includes property management, corporate facilities management, project management, client accounting, business services and engineering services for corporate occupier and real estate investor clients. The Transaction Services segment comprises the company's real estate brokerage, valuation and appraisal operations. The Investment Management segment includes services for acquisition, financing and disposition with respect to its real estate investment trusts, asset management services related to its real estate investment trust, and dealer-manager services by its securities broker-dealer, which facilitates capital raising transactions for its real estate investment trust. The Daymark segment includes services for acquisition, financing and disposition with respect to the company's tenant-in-common programs and asset and property management services related to the company's tenant-in-common programs. The company was by Harold A. Ellis Jr. and Donald James Grubb Sr., founded in 1958 and is headquartered in Santa Ana, CA.

Part of HCA Healthcare, Inc., Sky Ridge Medical Center is a 284-bed destination hospital located in Lone Tree, CO. The hospital offers compassionate care through patient-centered programs such as a comprehensive cancer center, adult and pediatric ERs, an award-winning birthplace, and a state-of-the-art spine and total joint center. The hospital provides advanced treatment options for heartburn and reflux care, sleep apnea, enlarged prostate, and thrombectomy-capable stroke center. Sky Ridge Medical Center is accepting Kaiser Permanente and all major insurance. Kirk McCarty has been the CEO of the company since 2020.

Silver Bullet Water Treatment Co. LLC develops water treatment systems. The firm's products include agricultural, cooling tower, and industrial systems. It also offers photochemical water treatment system that controls microorganisms and scale formation without the use of toxic chemicals. The company was founded by David Kolstad and Robert I. Hanfling in 2008 and is headquartered in Golden, CO.