San Antonio, Texas & Surrounding Areas

Building Texas Heavy Civil Construction Excellence

S&D Constructors, Inc. delivers superior heavy civil construction services with precision, integrity, and a commitment to lasting infrastructure throughout San Antonio and South Texas.

Our Services → Request a Bid

40+

Years Combined Exp.

WBE

Certified | SBE | ESBE

Who We Are

S&D Constructors, Inc.

Founded in 2023, S&D Constructors, Inc. is a family-owned heavy civil construction firm built on more than 40 years of combined industry experience. We specialize in site preparation, grading, drainage, and roadway improvements — delivering projects with integrity, safety, and efficiency.

More than builders, we are trusted partners — bringing proven expertise, strong family values, and a relationship-driven approach that ensures accountability, performance, and lasting results. Our leadership team brings field experience from the same caliber of projects undertaken by nationally recognized firms such as Kiewit, Flatiron, Walsh, Skanska, and Ames.

Based in La Vernia, TX and serving San Antonio and the surrounding South Texas region, we apply big-project standards with small-business agility — responsive, flexible, and cost-efficient on every contract.

Safety First

Strict safety standards on every jobsite, every day.

Quality Work

Craftsmanship and precision in all we build.

On-Time Delivery

We respect your schedule and honor our commitments.

Integrity

Transparent, honest partnerships from bid to closeout.

Better Work, Better Performance,
Dirt Work Done Right!

What We Do

Heavy Civil Services

Site Preparation & Grading

Roadway grading, contour grading, erosion control, and land clearing/grubbing for all project scales.

Drainage Solutions

Culvert installation, ditch stabilization, stormwater management, and erosion damage repair.

Structural Excavation

Building pads, foundations, driveways, pool excavations, and compaction services.

Concrete & Flatwork

Flatwork preparation, crushed limestone base installation, and related support for infrastructure projects.

Roadway Improvements

Full roadway improvement services including subgrade prep, base course, drainage integration, and surface finishing.

Underground Utilities

Installation of water, sewer, and storm drain systems — trenching, bedding, pipe installation, and backfill.

Why Choose Us

What Sets Us Apart

Proven Industry ExpertiseLeadership field experience from the same caliber of projects undertaken by nationally recognized firms such as Kiewit, Flatiron, Walsh, Skanska, and Ames.

Big-Project Standards, Small-Business AgilityApplying large-scale project methods while remaining responsive, flexible, and cost-efficient.

Commitment to SafetyA culture that prioritizes safety on every site, ensuring both crew and client peace of mind.

Efficiency & ReliabilityDelivering projects on time and within budget through disciplined planning and execution.

Relationship-Driven ApproachBuilding lasting partnerships through accountability, trust, and open communication.

Vendor Information

UEIXY94ZV3YTSJ5

DUNS884131264

CAGE Code9UHR2

NAICS Codes

237310 237990 238910 212321

Business Certifications

▶

South Central Texas Regional Certification Agency (SCTRCA)
WBE · SBE · ESBE

▶

Small Business Administration (SBA)
EDWOSB · SBE

▶

TX Department of Transportation
SBE Certified

Safety & Training Certifications

▶ OSHA 10 / OSHA 40

▶ HAZMAT Cert.

▶ Competent Person

▶ Heavy Equipment

▶ Trench Excavation

▶ Fall Hazard / Protection

▶ Traffic Control

▶ First Aid / CPR

▶ EM 385-1-1 (40 Hour)

Our Work

Project History

Discuss Your Project →

Grading & Site Prep

Dripping Springs Ranch Park (DSRP)

Rodeo Arena Grading — Performed full site preparation and grading operations for a rodeo arena facility, including clearing, rough and fine grading, crushed limestone base installation, and erosion control. Maintained direct coordination with city stakeholders to ensure regulatory compliance and on-schedule delivery.

Dripping Springs, TX

1 / 4

Flood Mitigation

Institute for Surgical Research, Bldg. 3611

Flood Mitigation & Drainage Improvements — Executed flood mitigation and drainage improvements including exterior regrading, stormwater system installation, concrete demolition, and full reconstruction to current standards, improving long-term site resiliency and drainage performance.

Fort Sam Houston, San Antonio TX

Drainage & Roadway

Grubbs Road Improvements

Culvert & Drainage Enhancements — Executed culvert crossing improvements and ditch stabilization operations including culvert installation with headwalls and rock riprap, and extensive street drainage ditch improvements across multiple project sites, enhancing long-term drainage capacity and channel stability throughout the corridor.

Sealy, TX (Austin County)

1 / 8

Have a Project? Let's Talk →

Get In Touch

Let's Build
Together

Ready to discuss your next heavy civil project? Contact our team today for a consultation or bid request. We serve San Antonio and the surrounding South Texas region.

Rachel Wink

(951) 445-5099

Brad Wink

(951) 595-5509

Seth Wink

(951) 704-0925

Seth's Email

[email protected]

Email