SEC Energy Products - Services | Natural Gas Compression Design & Fabrication, Parts & Technical Services SEC Energy,SEC,Midstream Services,Midstream Solutions,Compression Equipment,Compressor Packages,Standard Equipment Company,Cat Ariel,Dual Drive Compressors,CM Packages,Residue Compression,Gas Gatherin SEC Energy is the leading manufacturer of Dual Drive and Caterpillar CM gas engine driven compressor packages in the industry today and dominates the large horsepower gas transmission markets. SEC is also one of the largest packagers of natural gas and electric driven compressors for gas gathering, wellhead and processing facilities in horsepower ranges 95 to 8000.