| Name | Title | Contact Details |
|---|
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.
Headquartered in Walnut Creek, Calif., Brown and Caldwell is a privately-held, 100 percent environmental firm with 1,600+ professionals serving clients locally and globally from 52 locations. We are the largest engineering and construction firm solely focused on the U.S. water and environmental sectors.
Experience. Relationships. Results. These are the foundation of LPL Solar. Our leadership teams unmatched construction experience, solar expertise, and proven ability to self-perform make us one of the very best EPCs in North America.
Comprehensive Solutions. Tailored to you.
Founded in 1954, Mortenson Construction is a U.S.-based, family-owned construction company.