- We pride ourselves on on-time delivery which is why we work extra hard as subcontractors to coordinate activities with the general contractor and other trades, when appropriate, to get from A to Z. We utilize our wealth of industry relationships to source the best and most cost effective materials such as fill dirt, crushed concrete, underground pipes and structures, asphalt, concrete, and more. When it comes to asphalt paving, we have our own in-house crew which affords us more flexibility with scheduling. Our grading crews run on the best GPS technologies (including UTS systems) to efficiently grade parking lots and roadways within tolerance. All of these reasons, and more, make Alto Construction a perfect teammate to tackle the civil construction scopes on your next project.