Description This Jaynes has an addiction to building everything from shopping centers to apartment buildings throughout the Southwest. The Jaynes Companies, with offices in New Mexico, Colorado, Nevada, and California, operates through three subsidiaries. Jaynes Corporation is a general contractor providing pre-construction, design/build, and construction management, services. Concrete subcontracting is handled by its Jaynes Structures arm. And its Global Structures division pursues projects in the multi-family, hospitality, and light commercial markets. The Jaynes Companies' project portfolio includes commercial, health care, retail, educational, warehouse and distribution, and government structures.