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Holliday Rock Co., Inc. is a prominent construction materials manufacturer based in Upland, California, with over 85 years of experience. Founded in 1937, the company operates 40 locations throughout Southern and Central California. It specializes in producing aggregates, hot mix asphalt, and ready-mix concrete, serving a variety of infrastructure, commercial, and residential projects. As one of the largest independent manufacturers in the United States, Holliday Rock is committed to safety, sustainability, and quality. The company employs around 223 people and emphasizes workforce empowerment and community engagement. It actively collaborates with industry organizations, including the Associated General Contractors of California and the National Ready Mixed Concrete Association, to promote best practices in construction.
PCI is a contract manufacturer of metal parts and sub assemblies delivering parts as needed to manufacturing customers What We Do We support manufacturers by creating and delivering metal parts and subassemblies as needed to assemble their products htt...
Day & Zimmermann is a century-old, family-owned company whose 21,000 employees specialize in construction & engineering, staffing and defense solutions for leading corporations and governments around the world. Operating from more than 150 worldwide locations with 2.2 Billion USD in revenue, Day & Zimmermann is currently ranked as one of the largest private companies in the U.S. by Forbes. Founded in 1901 and headquartered in Philadelphia, PA, our first work was to develop "Betterment Reports" that helped modernize American factories. Today, we are still in the business of betterment -- maintaining the nation's power infrastructure, protecting American freedoms and driving technological advancements around the world. We do what we say.
EMG is one of the leading companies in the Real Estate and Construction sector.
Since 1954, RQAW has been providing our clients with infinite possibilities by offering the best in engineering and architecture services. Through strategic collaboration, we deliver innovative designs, seamless execution, and careful attention to our clients needs. Our success is rooted in our constant and intentional pursuit of innovative solutions. RQAW strives to continuously improve our services, our partnerships, and our progressive results. Our clients know they can count on us, and they confidently return when new projects and challenges arise.