JSG is certified as a Small Business Enterprise (SBE) with:
- Louisiana Minority Supplier Development Council, Inc. (LMSDC)
- Houston Minority Supplier Development Council (HMSDC)
- Port of Houston Authority
JSG is certified as a Historically Underutilized Business (HUB) with:
- State of Texas
- Texas Department of Transportation (TxDOT) Protégé Program
JSG is an active member of the following:
- American Association of Port Authorities (AAPA)
- Economic Alliance Houston Port Region
- Galveston Bay Foundation
- Gulf Ports Association of the Americas (GPAA)
- International Navigation Association (PIANC)
- Texas Department of Transportation Small Business LINC Program
- Texas Water Conservation Association (TWCA)
- Western Dredging Association (WEDA)
Since 1995, JSG has worked with the following agencies:
- Galveston Bay Estuary Program
- Natural Resource Conservation Service
- Port of Galveston
- Port of Houston Authority
- Texas General Land Office
- Texas Natural Resources Conservation Commission
- Texas Parks & Wildlife Service
- Texas Water Development Board
- United States Army Corps of Engineers, Galveston District (USACE)
- United States Environmental Protection Agency
- United States Fish & Wildlife Service
- United States National Marine Fisheries Service
JSG is licensed in the following areas:
- Class A - General Engineering
