**LUNA Award Winner - 2019 Rising Star Firm of the Year** Certifications: DBE, WBE, SBE, WOSB, TxHUB Underground Support Services, LLC offers specialized materials and professional services to the heavy civil construction industry. We work with clients to provide innovative and quality solutions to infrastructure projects both large and small. Approved NAICS Codes: 423710: HARDWARE MERCHANT WHOLESALERS 423830: INDUSTRIAL MACHINERY AND EQUIPMENT MERCHANT WHOLESALERS 425120: NONDURABLE GOODS AGENTS AND BROKERS, WHOLESALE TRADE 425120: WHOLESALE TRADE AGENTS AND BROKERS 236220: COMMERCIAL AND INSTITUTIONAL BUILDING CONSTRUCTION 236220: PROJECT MANAGEMENT 237310: CONSTRUCTION MANAGEMENT, HIGHWAY, ROAD, STREET AND BRIDGE 237990: CONSTRUCTION MANAGEMENT, TUNNEL 237990: OTHER HEAVY AND CIVIL ENGINEERING CONSTRUCTION 237990: TRENCHING, UNDERWATER 237990: TUNNEL CONSTRUCTION 238910: CORE DRILLING AND TEST BORING FOR CONSTRUCTION 541611: GENERAL MANAGEMENT CONSULTING SERVICES 541611: SITE LOCATION CONSULTING SERVICES 541618: OTHER MANAGEMENT CONSULTING SERVICES 541990: ALL OTHER PROFESSIONAL, SCIENTIFIC, AND TECHNICAL SERVICES 541990: CONSTRUCTION ESTIMATION SERVICES