H&H Engineering Services, Inc. is an engineering firm licensed to provide professional engineering services in Texas, listed on the City of Houston Public Works and Engineering Active (PWE 100) file. The firm is certified with the City of Houston as a Minority/Disadvantaged Business Enterprise (M/DBE) in Civil Engineering and Hydrology Consulting Services, Metro's Small Business Enterprise (SBE) in Civil Engineering and Hydrology Consulting Services, Port of Houston Authority Small Business Enterprise (SBE), State of Texas Historically Underutilized Business (HUB), and TxDOT Precertified Firms in work categories 10.1.1 Hydrologic Studies, 10.2.1 Basic Hydraulic Design, 10.3.1 Complex Hydraulic Design, 10.4.1 Pump Station-Hydraulics, and 10.5.1 Bridge Scour Evaluations and Analysis.