EDEC is now Salas O’Brien
Same team. Same service. Expanded resources.
EDEC, a leader in electrical, instrumentation, and control systems engineering for clients in the municipal, industrial, and commercial sectors across North America, joined forces with Salas O’Brien in 2025. Our leadership and teams in Duluth, Georgia, will continue to deliver highly innovative solutions that optimize production automation.
Contact us or call now 1.404.565.3364.

Highlighted services include
We are engineered for impact® with optimized solutions for complex challenges:
Electrical
Our electrical engineers design power distribution systems that provide reliable and efficient power to buildings and facilities, facilitating uninterrupted operations and minimizing downtime. Learn more
Power infrastructure & modernization
We partner with clients to upgrade and modernize their systems—strengthening reliability, enabling grid interactivity, and supporting long-term resilience. From substation design to distributed energy resources (DER) integration, we deliver solutions that are smart, scalable, and built for what’s next. Learn more
Digital and automation
Salas O’Brien combines deep engineering expertise with cutting-edge technology to help clients operate smarter, faster, and more sustainably. Our team works across industries—including healthcare, federal, manufacturing, and data centers—delivering practical, high-impact solutions in automation, digital transformation, data integration, and visualization. Learn more
Industrial construction management
Salas O’Brien offers a variety of scalable contracting and execution models to deliver the best value strategy for your manufacturing project’s success. We provide a nimble construction management professional team that makes your project their passion. Learn more
Case studies

Modernizing mill compressor for energy efficiency and system reliability
Salas O’Brien provided electrical, and instrumentation and control engineering services to upgrade Georgia-Pacific’s Monticello mill. We replaced the aging plant air system with state-of-the-art 1,500 HP compressors to deliver reliable, redundant compressed air across the mill. Our services included power distribution, control system design, equipment specification, and construction support.
Learn more.

Transforming water infrastructure with modern controls
We provided electrical, instrumentation and controls, and construction administration engineering services to transform Atlanta’s historic Bellwood Quarry into a 2.4-billion-gallon emergency water reservoir. Collaborating with the city, we designed and implemented a robust electrical, instrumentation, and control (EI&C) system to manage the reservoir’s pump station operations, ensuring seamless integration with the adjacent Westside Park development.
Learn more.

Enhancing food processing plant’s reliability through new wastewater treatment facility
We provided comprehensive electrical, digital & automation, and construction administration services for the new Essentia Protein wastewater treatment plant. Our team developed detailed electrical specifications, one-line diagrams, panelboard schedules, piping and instrumentation diagrams, and electrical plans. The design included power, grounding, lighting plans, interconnection wiring diagrams, a programmable logic controller (PLC) network diagram, and installation details.
Learn more.
.

