American Society of Mechanical Engineers - www.asme.org

Association of Chemical Industry of Texas - http://www.acit.org/

Contractors Safety Council of Texas City - http://www.csctc.org/

The National Board of Boiler and Pressure Vessel Inspectors  - www.nationalboard.org

National Safety Council - http://www.nsc.org/

OSHA - http://www.osha.gov/

Texas Association of Business - http://www.tabcc.org/

Texas Association of Environmental Professionals - http://www.taep.org/

Texas Safety Association - http://www.texas-safety.org/

Tubular Exchanger Manufacturers Association, Inc. (TEMA) -www.tema.org