Solutions and innovation for the power generation, energy delivery, and infrastructure sectors. Sigma Energy Solutions is an industry leader in engineering and advisory services focused on power, energy, and infrastructure. Our team of specialists has been providing engineering and consulting solutions to these sectors since the early 1970’s. With our full spectrum of technical and advisory capabilities for the development, design, and acquisition/divestiture of energy facilities and infrastructure, Sigma Energy Solutions offers customized solutions in a highly responsive manner that our clients have come to expect.