The SEFA Group
Hamilton Gray is an experienced engineer currently serving as a Process Engineer at The SEFA Group since January 2019. Prior experience includes a role as an Engineer at Siemens Energy, contributing to expertise in engineering and process optimization within the energy sector.
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The SEFA Group
The SEFA Group has been making a positive difference by recycling coal combustion residuals into environmentally sustainable products for the concrete industry for over 40 years, recycling over 20 million tons of fly ash that otherwise would have been disposed of in landfills or ponds.