Gas Compression Systems, Inc. (GCS) manufactures air-driven and electrically-driven dry gas seal boosters (DGSB) for turbo compressors in natural gas pipelines, oil and gas production facilities, refineries, gas liquefaction plants and chemical plants. Since 1997 GCS (formerly Midwest Pressure Systems, Inc.) has sold more than 4,000 boosters with nearly 500 different model numbers. GCS can design and build custom boosters for specialized applications in 12 weeks and standard designs or slightly modified standard designs in less than 6 weeks.