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South-Tex Treaters Inc is a Midland, TX-based company in the Energy and Utilities sector.
Griffith-Herron-Middlebrook-Ross Company is a Birmingham, AL-based company in the Energy and Utilities sector.
Arundel Gas is a Edgewater, MD-based company in the Energy and Utilities sector.
Austin Utilities is a Austin, MN-based company in the Energy and Utilities sector.
Helios Injection Systems (Helios) announced that it has acquired Data Harmonix Co., a fast-rising, technology energy services firm with a focus on production chemicals.