Commercial General Contractor — San Antonio, Texas
Built to Last.
Designed to Impress.
GRAMS Construction is a principal-led commercial general contractor delivering metal building systems, concrete and sitework, and interior construction across Texas — with the discipline of a large firm and the accountability of one builder.
What We Build
Full-Spectrum Commercial Construction
From the first estimate to the certificate of occupancy, GRAMS self-manages the disciplines that decide whether a project succeeds.
Metal Building Systems
Welded red-iron and pre-engineered steel structures for commercial, industrial, and agricultural use — erected to engineered standards and built to outlast their warranties.
Explore 02Concrete & Sitework
Structural foundations, slabs, stem walls, paving, curbs, and flatwork — engineered, reinforced, and finished for decades of service.
Explore 03Commercial Interiors
Office finish-outs and tenant improvements: framing, Level 4 drywall, paint, insulation, acoustical ceilings, doors, and hardware — delivered punch-ready.
Explore 04General Contracting
Single-point delivery of complete commercial projects — coordinating trades, schedule, quality, and safety under one accountable contract.
Explore 05Preconstruction & Estimating
CSI-division scope breakdowns, quantity takeoffs, market-priced estimates, value-engineering programs, and bid packages built to win work — and protect margin.
Explore 06Project Controls & Closeout
Schedules of values, AIA G702/G703 pay applications, change-order management, daily logs, inspection tracking, and closeout coordination through CO.
Explore
“When you hire GRAMS, you get the principal — not a project number.”
Michael Ramirez — Managing Partner

The GRAMS Model
One Builder. Total Accountability.
Most contractors hand your project down a chain. At GRAMS, the principal who prices your work is the same one who builds it, bills it, and closes it out. Our field crews, trade partners, and engineers operate as an extension of that single point of accountability.
- The estimator, project manager, and decision-maker are the same person
- Vetted trade partners held to GRAMS quality and documentation standards
- Licensed engineers stamp every structural design we build
- Direct line to ownership — every call gets answered
How We Deliver
Big-Firm Discipline, Builder's Pace
GRAMS runs every job on institutional-grade project controls — the same schedule-of-values discipline, AIA billing standards, and closeout rigor demanded on multimillion-dollar commercial work.
Preconstruction
Document analysis, CSI scope breakdowns, quantity takeoffs, and market-priced estimates with transparent markup structures. You see exactly what you're buying before the first shovel hits dirt.
Construction
Engineered execution with daily logs, photo documentation, RFI tracking, and proactive change-order management. Progress billed against a clear schedule of values on AIA G702/G703.
Closeout
Inspection matrices, punch tracking, lien waivers, warranty packages, and coordination with city officials through certificate of occupancy. The job isn't done until the paperwork proves it.
Markets
Where We Compete
Let's Price Your Next Project.
Free estimates — call (210) 347-3828 or email info@gramsconstruction.com