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General Enterprise Ventures, Inc., engages in installing large home and facility proactive wildfire prevention systems. It offers Citro-Tech fire inhibitor for the prevention and spread of wildfires, as well as lumber treatments for fire prevention. The company was formerly known as General Entertainment Ventures, Inc. and changed its name to General Enterprise Ventures, Inc. in October 2021. General Enterprise Ventures, Inc. was incorporated in 1990 and is based in Cheyenne, Wyoming.

Kaiser Group Holdings, Inc., through its subsidiary, Kaiser Aircraft Industries, Inc., provides aircraft maintenance and modification services for government, military, and commercial customers. It also manufactures and assemblies parts and kits. The company was founded in 1969 and is headquartered in Birmingham, Alabama.

MedAmerica Properties Inc., a real estate management company, focuses on investing in commercial real estate properties in the United States. It focuses to acquire medical office buildings. The company was formerly known as Banyan Rail Services Inc. and changed its name to MedAmerica Properties Inc. in June 2017. MedAmerica Properties Inc. was founded in 1985 and is based in Boca Raton, Florida.

N-Viro International Corporation markets its N-Viro Fuel technology that produces a renewable alternative fuel product out of certain bio-organic wastes. N-Viro Fuel is a patented biomass alternative energy fuel process that produces a product that has physical and chemical characteristics similar to certain coals and is created from municipal biosolids, collectable animal manure, pulp and paper sludge, and other organic wastes. The company owns and licenses the N-Viro Process, a patented technology to treat and recycle wastewater sludges and other bio-organic wastes, utilizing certain alkaline by-products produced by the cement, lime, and other industries, as well as electric utilities. Its N-Viro Process stabilizes and pasteurizes sludge; reduces odors to acceptable levels; neutralizes or immobilizes various constituents; and generates N-Viro Soil, a product that has a granular appearance similar to soil and is used in various agricultural applications. In addition, the company is involved in the distribution and resale of alkaline admixtures. N-Viro International Corporation was founded in 1979 and is based in Toledo, Ohio.

Strategic Environmental & Energy Resources, Inc. provides clean-technologies, waste management, and related services in the United States and internationally. It operates through two segments, Environmental Solutions and Solid Waste. The company designs and sells H2SPlus and OdorFilter dry scrubber solutions for management of hydrogen sulfide in biogas, landfill gas, and petroleum processing operations; develops and designs proprietary technologies and systems for conditioning biogas for use as renewable natural gas for a range of applications, such as transportation fuel and natural gas pipeline injection; and develops waste destruction technology using pyrolytic heating process combined with non-thermal plasma assisted oxidation. In addition, it develops renewable natural gas projects; and advanced chemical absorbents and catalysts that enhance the capability of biogas produced from landfill, wastewater treatment, and agricultural digester operations, as well as offers soil amendment pellets. The company serves companies primarily in the oil and gas refineries, landfills, medical waste destruction operations, agricultural companies, and food and beverage companies, as well as other commercial and industrial customers. Strategic Environmental & Energy Resources, Inc. is headquartered in Broomfield, Colorado.