Certifications and Memberships

JSG is certified as a Minority-Owned or Small Business Enterprise (SBE) with:

  • Houston Minority Supplier Development Council (HMSDC)
  • Louisiana Minority Supplier Development Council (LMSDC)
  • Northern California Minority Supplier Development Council (CMSDC)
  • Southern California Minority Supplier Development Council (SMSDC)
  • City of Houston

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)
  • American Petroleum Institute (API)
  • 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


Excellent performance and track recordJSG enjoys a long-term working relationship with its bonding agent, a company that understands the nuances of government projects. Based upon JSG’s excellent performance and track record, the company maintains bonding capacity for work on multiple, concurrent projects. JSG’s performance record boasts no terminations, no defaults, and 100% project completion rate on all projects to date.