Construction Activity in Pomona
Pomona is experiencing a wave of construction activity, from new housing developments and mixed-use projects near downtown to renovations of historic homes and upgrades at college campuses. Accessory dwelling units have become especially popular as homeowners respond to California's housing shortage. Industrial developers are also building and modernizing warehouses along the region's freeway corridors.
All of this work depends on concrete, aggregates, lumber, masonry, roofing, and structural materials. Pomona builders benefit from being close to major quarries and cement plants in the San Gabriel Valley and Inland Empire, which reduces transport costs and helps projects stay on schedule.
How We Evaluated Suppliers
We considered product quality, reliability of delivery, regional presence, technical support, pricing, and sustainability efforts. The list includes cement and ready-mix producers, aggregate suppliers, lumber and framing specialists, masonry manufacturers, and roofing distributors.
The Top 10 Best Building Material Companies in Pomona
1. CalPortland
CalPortland is one of the oldest and most respected cement and construction materials companies in the western United States. It produces cement, ready-mix concrete, aggregates, and asphalt across Southern California. Pomona contractors rely on CalPortland for consistent quality on foundations, roads, and commercial projects, and the company is investing in lower-carbon cement.
2. CEMEX
CEMEX is a global building materials company supplying cement, ready-mix concrete, and aggregates throughout Southern California. Its technical expertise supports large infrastructure projects as well as residential construction. CEMEX's Vertua line of lower-carbon concrete products appeals to Pomona developers seeking to meet sustainability goals and green building standards.
3. Vulcan Materials
Vulcan Materials is the nation's largest producer of construction aggregates, including crushed stone, sand, and gravel. It operates quarries and asphalt plants in Southern California. For road builders and site contractors working around Pomona, Vulcan provides high-quality base materials that form the foundation of durable infrastructure.
4. Holliday Rock
Holliday Rock is a family-owned Southern California company headquartered in nearby Upland. It supplies ready-mix concrete, aggregates, and landscape materials to contractors and homeowners. Its local ownership, proximity to Pomona, and responsive service make Holliday Rock a favorite among regional builders who value personal relationships and dependable delivery.
5. Robertson's Ready Mix
Robertson's Ready Mix is a major Southern California ready-mix concrete and aggregate supplier with plants across the Inland Empire. It serves residential, commercial, and public works projects. Pomona contractors appreciate Robertson's large truck fleet, mix design expertise, and ability to handle both small pours and major commercial placements.
6. Ganahl Lumber
Ganahl Lumber is one of Southern California's oldest family-owned lumber companies. It supplies framing lumber, engineered wood, hardware, and building materials to contractors and homeowners. Known for excellent customer service and knowledgeable staff, Ganahl is a trusted source for Pomona builders working on new homes, ADUs, and remodels.
7. Builders FirstSource
Builders FirstSource is the largest supplier of building products to professional builders in the United States. It provides lumber, trusses, wall panels, windows, doors, and millwork. Its prefabricated components help Pomona homebuilders save time on site and address labor shortages through off-site manufacturing.
8. Angelus Block
Angelus Block is a Southern California manufacturer of concrete masonry units, pavers, and retaining wall systems. Its products are widely used in walls, patios, driveways, and commercial buildings. Pomona homeowners and landscape contractors choose Angelus for durable, attractive hardscape materials designed for the region's climate.
9. ORCO Block and Hardscape
ORCO Block and Hardscape is a family-owned Southern California manufacturer of concrete block, pavers, and segmental retaining walls. The company emphasizes quality, design variety, and sustainability, including permeable pavers that help manage stormwater. It is a strong choice for Pomona projects that combine functionality with curb appeal.
10. ABC Supply
ABC Supply is one of the largest wholesale distributors of roofing, siding, windows, and gutters in the United States. Pomona roofing contractors depend on ABC Supply for shingles, tile, underlayment, and accessories. Its branch network and delivery services help contractors complete projects efficiently, especially before and after the rainy season.
Trends in Building Materials
Sustainability is becoming a key factor in material selection. Lower-carbon cement blends, recycled aggregates, and engineered wood products are gaining traction. Fire-resistant materials are a top priority in Southern California, particularly near foothill areas. Prefabrication and panelized construction are helping builders speed up projects, and cool roofing materials help reduce heat gain during Pomona's hot summers.
Building Codes and Local Considerations
California's Title 24 energy standards and CALGreen building code influence the materials used in Pomona projects, from insulation and windows to roofing and water-efficient landscaping. Seismic requirements are also important throughout Southern California, affecting foundation design, reinforcement, and framing connections. Working with suppliers who understand these codes can help avoid inspection delays and costly rework.
Choosing the Right Supplier
When choosing a building material company, consider product availability, delivery reliability, technical support, and pricing for your project size. Establishing relationships with local suppliers can lead to better service and priority scheduling. The companies above represent the best building material partners for construction projects of every scale in Pomona.