May 15, 2025

CASTILLO ENGINEERING
Castillo Engineering and RPG Energy Reduce Endress+Hauser's Costs by $140,000 with 1.3 MW Solar Project in Indiana
Companies partner to meet rigorous deadlines to complete the last net metered project in the state

July 12, 2023
Castillo Engineering and RPG Energy Group, a leading energy efficiency and renewable energy integrator, announced today (July 11) that they have . . .

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