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Consign AG
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Design control systems for the amumsement industry.
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Callenberg Engineering, Inc.
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Provide design, engineering, installation and service of electrical, automation, refrigeration and ventilation systems.
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Pfeiffer Engineering Company, Inc.
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Provides electrical and control engineering services for the chemical, petrochemical, automotive, plastics, metals, utilities, and wastewater treatment industries.
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Mulhern Consulting Engineers
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Professional electrical engineering services for commercial, industrial, institutional, and residential facilities including lighting, fire alarm, emergency power, HVAC, and power systems design.
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