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PERRY SLINGSBY SYSTEMS INC is a Houston, TX-based company in the Energy and Utilities sector.
PPM EMCOR Group is a Miami, FL-based company in the Energy and Utilities sector.
Optimal Technology is a Chatsworth, CA-based company in the Energy and Utilities sector.
SolArc is a Houston, TX-based company in the Energy and Utilities sector.
Layne Christensen Company provides drilling and construction services and related products in two principal markets: water infrastructure and mineral exploration, as well as operates as a producer of unconventional natural gas for the energy market. The