Heavy Civil Construction — Public & Private Sector
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Our Services
Diamond Eight Industries is a full-service heavy civil contractor. From site prep and earthwork to utilities, paving, and land development — we have the crews, equipment, and experience to handle complex projects across South Texas.
Design-Build
Diamond Eight Industries delivers design-build civil construction — a single-source solution where our team manages both the engineering design and field execution under one contract. What sets us apart: we perform in-house 3D GPS modeling to plan and execute every project with precision before a single blade hits the ground. This approach eliminates the gaps between designer and contractor, compresses schedules, and gives owners a single point of accountability from concept through completion. We partner with licensed engineers to deliver civil infrastructure projects faster and with fewer surprises.
Capabilities
- In-house 3D GPS modeling
- Single-source project delivery
- Civil engineering coordination
- Site layout & grading design
- Utility design & permitting
- Value engineering & cost control
- Accelerated project schedules
- Owner representation & reporting
- Turnkey site development
Subdivision & Land Development
Diamond Eight Industries takes raw tracts of land through every phase of civil development — from initial clearing and mass grading through roads, utilities, drainage, and final lot preparation. We work with developers, engineers, and municipalities to deliver finished subdivisions and commercial land developments on schedule and within budget.
Capabilities
- Full-site civil development
- Internal road construction
- Water & sewer infrastructure
- Storm drainage & detention
- Lot grading & pad preparation
- Commercial & residential subdivisions
- Industrial park development
- Final site cleanup & restoration
Earthwork & Grading
Every successful project starts with precise earthwork. Diamond Eight Industries performs mass grading, cut and fill operations, precision excavation, fine grading, land clearing, and full site preparation for commercial, municipal, and land development projects across South Texas. Our in-house 3D GPS machine control technology allows our operators to execute complex grading plans with sub-inch accuracy — reducing rework, cutting survey costs, and keeping your project on schedule.
Capabilities
- In-house 3D GPS machine control
- Mass excavation & cut-and-fill
- Rough & finish grading
- GPS machine control grading
- Land clearing & vegetation removal
- Erosion & sediment control (SWPPP)
- Compaction & subgrade prep
- Drainage channel & pond excavation
- Dewatering & wet conditions
Road Construction & Paving
From county roads and municipal streets to commercial drives and land development projects, Diamond Eight Industries delivers road construction and paving that stands the test of time. We self-perform subgrade work, base course, asphalt paving, and concrete paving — keeping your schedule tight and your costs predictable.
Capabilities
- County roads & municipal streets
- Subgrade & base course work
- Asphalt paving & overlay
- Concrete paving & flatwork
- Commercial drives & parking lots
- Pavement rehabilitation & milling
- Curb, gutter & drainage
- Striping & site finishing
Utilities & Underground Infrastructure
Our utilities crews install and replace water, sewer, storm drain, and other underground infrastructure in some of the most challenging environments — active commercial corridors, municipal right-of-ways, and large land development projects. We bring the same precision and accountability to underground work as we do to every other phase of a project.
Capabilities
- Water main installation & replacement
- Sanitary sewer systems
- Storm drain & detention
- Trench excavation & shoring
- Bore & jack operations
- Utility coordination & relocation
Concrete Placement
Diamond Eight Industries delivers high-quality concrete placement for drainage infrastructure, flatwork, and site concrete. Our crews bring the same discipline and attention to detail to every pour — from box culverts and headwalls to retaining walls, curb & gutter, and demolition of existing infrastructure.
Capabilities
- Box culverts & headwalls
- Retaining walls & barriers
- Curb, gutter & sidewalk
- Flatwork & pads
- Slip-form & formed concrete
- Pavement demolition & removal
- Debris hauling & disposal
- Environmental compliance & permitting
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Environmental Mitigation
Diamond Eight Industries provides environmental mitigation services to keep projects compliant and on schedule. Our crews handle erosion control, stormwater management, and site restoration in coordination with project engineers and regulatory requirements — from initial permitting support through final site stabilization.
Capabilities
- Erosion control installation & maintenance
- Silt fence, rock filter dams & inlet protection
- Stormwater pollution prevention (SWPPP)
- Seeding, mulching & revegetation
- Wetland & drainage buffer protection
- Spill containment & site cleanup
- Regulatory compliance documentation
- Final site stabilization & restoration
Demolition
Diamond Eight Industries provides full-site demolition services for commercial, municipal, and industrial projects across South Texas. Our crews safely remove existing structures, pavements, and infrastructure to prepare sites for new construction — handling debris hauling, disposal, and site cleanup as part of a complete turnkey package.
Capabilities
- Structural demolition
- Concrete & asphalt removal
- Building & foundation removal
- Debris hauling & disposal
- Site clearing & grubbing
- Underground structure removal
- Environmental compliance
Have a Project in Mind?
Our estimating team responds within one business day.