In addition, Hydro Ex, LLC is a small minority-owned business.  

Below is a list of the certifications & NAICS codes we retain.

802 N. Navigation
Ste 102
Corp Christi, Texas 78408
Ph: (361) 452-1375
Fx: (361) 452-1376



  • SBA 8-A Certified


  • SBA HUBZone Certified

  • Texas Land Survey License No. 10193804

  • Texas DOT-DBE

  • Texas Historically Underutilized Business (HUB)

  • South Central Texas Regional Certification Agency (SCTRCA)

  • Houston Minority Supplier Diversity Council (HMSDC)


Primary NAICS Codes

541370 - Surveying and Mapping (Except Geophysical) Services


Secondary NAICS Codes:

236220 – Commercial and Institutional Building Construction
237110 – Water and Sewer Line and related Structures Construction
237310 – Highway, Street, and Bridge Construction
237990 – Other Heavy and Civil Engineering Construction
238110 – Poured Concrete Foundation and Structure Contractors

Our certifications are recognized locally and statewide by participating governmental agencies to increase vendor diversity and office efficiency for small minority business owners.