June 28, 2026. EFI USA (EFI) and EC Applications (ECA) announced their merger, combining their complementary expertise in environmental construction, geosynthetic membrane installation and infrastructure delivery to form the most comprehensive environmental containment company in the United States.
The combined organization serves clients across environmental, agricultural, industrial, and federal sectors. Together, the organization brings turnkey construction; geosynthetic lining systems for landfill, mining, and tunnel applications; biogas capture and floating covers; wastewater facility construction; and erosion control construction, all across multiple project delivery methods.
EFI USA contributes turnkey project delivery, engineering depth, and program management capabilities across environmental, agricultural, industrial, and federal markets with expertise in biogas and wastewater systems, both domestic and internationally. ECA has built a reputation for delivering critical environmental containment and infrastructure for mining, tunneling, landfill, and water / wastewater control in geographies west of the Mississippi River.
This merger brings together two organizations with complementary strengths and a shared commitment to environmental protection, technical excellence, and reliable high-quality project delivery. The merger is effective June 8th, 2026.