Christopher T. Halvorson

The American Institute of Certified Public Accountants provides vocational education in accounting. The company provides services to the accounting community, regulatory bodies, and other organizations. It also operates in Jersey City, Washington, and Lewisville. It was founded in 1887 and is headquartered in New York City, NY.

The Ohio Society of CPA's operates as an association for Certified Public Accountants.

A B Resources, Inc. engages in the exploration and production of oil and natural gas. The company was founded on September 15, 1992 and is headquartered in Frankfort, IL.

Pin Oak Energy Partners LLC engages in exploration and production of conventional and unconventional oil and natural gas. The firm specializes in exploration and production, oil and gas asset acquisition, midstream, appalachian basin expertise, unconventional resources and conventional resources. The company was founded by Christopher T. Halvorson and Mark H. van Tyne in 2015 and is headquartered in Akron, OH.

Magellan Scientific LLC is an off-grid and decentralized digital asset technology company. The company is based in Akron, OH. The company was founded by Christopher T. Halvorson.

C12 Energy LLC develops carbon sequestration technology. Its primary business involves rehabilitating mature fields through gas injection. The firm's technologies separate emissions streams and inject those emissions into geological formations for storage. It also develops, owns, and operates projects that manage industrial carbon dioxide in subsurface geologic structures for enhanced oil recovery and long-term storage. The company was founded by Charles M. Brankman, Justin Dawe and Kurt Zenz House in 2008 and is headquartered in Berkeley, CA.