Diamond Eight Industries active construction site
South Texas Heavy Civil Construction

Built to Last.
Built on Time.

Diamond Eight Industries delivers complex civil infrastructure for public agencies and private developers across South Texas — on schedule, on budget, and built to stand for generations.

TxDOT Prequalified
Federal HUB Zone Certified
Texas State HUB Certified
Federal DBE & SBE Certified
On-Time Delivery
23+ Years in South Texas
See Us in Action

Diamond Eight
at Work

Watch our crews and equipment tackle real projects across South Texas. This is what 20+ years of heavy civil experience looks like on the ground.

0+
Years in Business
0+
Projects Completed
0+
Public Sector Projects
0K+
Linear Feet of Pipe Installed
Who We Are

Proven Track Record.
No Exceptions.

Diamond Eight Industries has been executing complex civil construction projects since 2003. Based in Santa Rosa, we specialize in South Texas infrastructure — working with TxDOT, municipalities, and private developers who demand precision, accountability, and results.

Our crews, equipment, and project management systems are built for the toughest jobs in South Texas — from commercial and municipal construction to land development and critical utility replacements.

About Diamond Eight
98%
On-Time Completion
0
OSHA Recordables (2023)
23+
Years in South Texas
Certifications & Registrations
Federal HUB Zone Certified
Texas State HUB Certified
Federal DBE Certified
Federal SBE Certified
TxDOT Prequalified
Bonded & Insured
SAM Registered
DUNS 967280467
CAGE 69QV3

Ready to
Build?

Tell us about your project. Our estimating team responds within one business day.

Public & private sector projects
Competitive bid pricing
Bonded & insured for public and private sector projects

Request a Bid