About Winco

Firm History

Operating as a dba of Garrich Industries Ltd est. 1978, Winco Contractors is an excavation and site work contracting company, with a proven history of reliability and completed on time projects.

Excellence in Action

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Winco performs extensive construction prep work in the areas of Site Excavation, Street and Road Construction, Asphalt and Concrete Paving, Road Construction, Curbing and Utility Construction. Winco has been involved in construction of major projects in San Antonio such as the utility and drainage channels, and exclusive residential projects.

Our experience includes projects overseen by the Army Corps of Engineers, projects for various school districts and municipalities and privately owned construction.  We have performed contracts as a sub-contractor and a general contractor.

Experience and Innovation

Our management is a combination of professionals with a wide variety of project experiences and vibrant talent.  We employ many tools to assist in the project bidding, planning and execution phases, including various computer programs, a GPS system and thorough pre-construction planning meetings.

Looking to the Future

At Winco we understand that a bright future in the construction industry does not “just happen”.  We are constantly reviewing our bid process, evaluating field work processes, streamlining administrative procedures and working toward a better end product.  We believe this will provide our clients with the best service and Winco with a continued reputation for quality in the construction arena.

Our vision is to be the contracting company of choice for clients in South Texas and our mission is to reward our team members (clients and associates) with job satisfaction and security.


Winco Contractors is certified by the South Central Texas Regional Certification Agency as a Small Business Enterprise (SBE), a Veteran-owned Business Enterprise (VBE) and a Disabled-Individual (Service related) Business Enterprise (DIBE).