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The Empire District Electric Company is a regulated utility company. The Company is engaged in the generation, purchase, transmission, distribution and sale of electricity. It provides services with in Missouri, Kansas, Oklahoma and Arkansas. The Company operates its businesses in three segments: electric, gas and other. As part of its electric segment, the Company provides water service to over three towns in Missouri. The Company through its subsidiary, The Empire District Gas Company (EDG), is engaged in the distribution of natural gas in Missouri. The Company's other segment consists of fiber optics business. It supplies electric service at retail to approximately 120 incorporated communities and to various unincorporated areas, and at wholesale to over four municipally owned distribution systems. Its gas operations serve customers in northwest, north central and west central Missouri. It serves a group of customers, including residential, commercial and industrial customers.

EnWave Corporation designs, constructs, markets, and sells vacuum-microwave machinery for the food, cannabis, and biomaterial dehydration industries in Canada and the United States. The company operates through EnWave and NutraDried segments. It also offers radiant energy vacuum (REV) platforms, such as nutraREV for dehydration of fruits, vegetables, herbs, dairy products, meats, and seafood; and quantaREV designed for low-temperature dehydration of solid, liquid, and granular or encapsulated food or cannabis products. In addition, the company provides freezeREV for the dehydration of biomaterial and pharmaceutical products; and REVworx offers toll manufacturing services for various food product. Further, it manufactures, markets, and sells certain dehydrated food products. EnWave Corporation is headquartered in Delta, Canada.

PyroGenesis Canada Inc. designs, develops, manufactures, and commercializes plasma processes and solutions worldwide. It offers DROSRITE, a process for enhancing metal recovery from dross without any hazardous by-products; plasma atomization process that allows produce and sell high purity spherical metal powders; PUREVAP, a process to produce high purity metallurgical and solar grade silicon from quartz; and PUREVAP NSiR, which is designed to transform silicon into spherical silicon nano powders and nanowires for use in lithium-ion batteries. The company also provides plasma torches and plasma torch systems used toreplace fossil fuel burners in industrial iron ore pelletization process; plasma arc waste destruction systems for waste destruction onboard ships; steam plasma arc refrigerant cracking systems for the destruction of certain refrigerants, including chlorofluorocarbons, hydrofluorocarbons, and hydrochlorofluorocarbons; plasma arc chemical warfare agent destruction systems, which are mobile platforms for the onsite destruction of chemical warfare agents; plasma resource recovery systems for land-based waste destruction and waste-to-energy applications; plasma torches for waste gasification and combustion; and plasma arc gasification and vitrification. In addition, it offers engineering and manufacturing expertise, and contract research, as well as turnkey process equipment packages to the defense, metallurgical, mining, additive manufacturing (including 3D printing), oil and gas, and environmental industries. Further, the company provides installation, commissioning, and start-up services. PyroGenesis Canada Inc. is headquartered in Montréal, Canada.