About Us


Los Alamos Transit Mix, LLC is the leading supplier of quality construction products in northern New Mexico for over 30 years.  We are a family owned business having served the ready-mix concrete and sand and gravel needs of northern New Mexico and the surrounding areas for three generations.  We have valued long standing relationships with our customers and vendors, and we pride ourselves on quality products and outstanding service.    We are a full-service company equipped to handle all your ready-mix concrete,  and aggregate product needs.

Our company founder, Richard Cook saw the need for a ready-mix concrete and sand and gravel operation in northern New Mexico.  Starting with one location in Espanola, New Mexico, Mr. Cook quickly expanded to multiple locations throughout northern New Mexico, including Los Alamos and Santa Fe.  As a result, the portfolio of companies of which Los Alamos Transit Mix is associated offer ready-mix concrete, asphalt, paving, earthwork and excavation services, along with the manufacture of quality aggregate products.  Los Alamos Transit Mix is able to provide quick response times and excellent service for all facets of our organization.  With the unmatched quality of our products and superior service, Los Alamos Transit Mix and its sister companies have emerged as the premier providers of construction products and services.  Whether you are a large general contractor, or a homeowner pouring a patio, we are your one stop source for all your construction product needs. 

Our Team:

Our parent company, the Espanola Mercantile Company was established in 1905.  Today, the Espanola Mercantile Company includes a portfolio of companies that provide a wide array of construction products and services, including ready-mix concrete, asphalt, aggregates, paving and earthwork and excavation services, with locations in Los Alamos, Espanola and Santa Fe, New Mexico.  These companies include: