Gary Obermiller

Acme Industries, Inc. manufactures precision machining of complex parts for large-scale for the aerospace and defense, energy, mining, and transportation sectors. Its services include supply chain management, engineering, and machining. The company was founded in 1948 and is headquartered in Elk Grove Village, IL.

Griffin Gear, Inc. manufactures and supplies replacement gearing and gearbox systems. Its services include gear types, gear grinding, repairs and upgrades, engineering and design and machining. The company was founded by Joel C. Griffin, Jr. in 1967 and is headquartered in Roebuck, SC.

Part of Hamon & Cie (International) SA, Deltak LLC is a world-wide supplier of custom designed and fabricated heat recovery boiler equipment across a number of industries. The private company is based in Plymouth, MN and has an installation base of over 2,500 units in 50 countries. Established in 1972, the company is recognized for its heat recovery steam generators (HRSGs) for combined cycle power plants and cogeneration plants, and its waste heat boilers (WHBs) for refining, petrochemical, incineration, oil production, hydrogen production, and industrial applications. The company was founded by J. Michael Locke. Deltak was acquired by Hamon Corp. from Williams Industrial Services Group, Inc. on August 31, 2011 for $31 million.

Mill City Capital LP (Mill City Capital) is a private equity firm founded in 2010 by Darren Acheson and Gary Obermiller. The firm is headquartered in Wayzata, Minnesota.

Renaissance Power Systems LLC operated as a holding company with interest in providing spare parts for metal cutting and metal forming machines. It served oil & gas, power generation industry parts and mining industries. The company was headquartered in Minneapolis, MN.

Skywater Technology Foundry manufactures semiconductor wafers and materials. The company is headquartered in Bloomington, MN.

Econo Air, Inc. provides air conditioner and heating equipment repairing services.

HN Precision is a CNC machining manufacturer that specializes in producing parts for milling, turning, and gun drilling. HN Precision is based in Lake Bluff, IL. With over 75 years of experience, the company is an industry leader in industrial component manufacturing for CNC parts. The company excels in CNC machining capabilities for general transportation vehicles, including engines, transmissions, and suspension.