Midland Resource Recovery (MRR) is a North American company specializing in natural gas and renewable natural gas odorization solutions since 1996. The company develops technical systems and chemical products for odor control, including DEOmer, Mask-O and activated carbon filters. MRR serves more than 200 utility companies and supports over 1,000 locations across North America each year. IHC Halal certification adds appropriately assessed chemical products to its portfolio for applications with Halal requirements