Here are some sites that address safety issues and questions that you might have:

This site provides OSHA news and tools for all industries. 

Tool Box Topics 
Free scripts for short tool box talks for the construction industry. 

This is the News & Publications page of the Texas Work Comp Commission website. 

Texas Department of Transportation 
 TxDOT website provides Texas highway news and information. 

Associated General Contractors 
Construction industry association that provides employee training classes. 

Bureau of Labor Statistics 
 A US government site that provides safety statistics 

J. J. Keller & Associates
Is the nation’s leading supplier of safety and regulatory compliance solutions for transportation, manufacturing, construction, human resources, security and general industry. 

Provider of employment screening services such as: Motor Vehicle Reports, Criminal Background Checks, and SSN Verification.

CDC Trench Safety 
This document is designed by NIOSH as a training resource.