GMI Group was founded on providing the highest quality fittings, flanges, and specialty products to our customers in the Oil & Gas fields. From API 6A flanges to buttweld fittings we manufacture a complete line of flanges and pipe fitting products for any size project including custom made-to order products. GMI Group has been a leader in oil & gas parts manufacturing for over 3 decades! Browse our complete list of Oil & Gas products or request a quote for your project.