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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.
Industrial Inspection & Analysis (IIA) is an emerging, high growth inspection, testing, and analytical business seeking to build a national platform in order to serve a breadth of industrial sectors and geographies.
Ghilotti Bros., Inc. (GBI) is a family-owned general engineering construction company based in San Rafael, California. Founded in 1914 by James Ghilotti, the company has evolved from a stonemasonry business into one of the largest construction firms in Northern California, employing over 225 people across 11 Bay Area counties. GBI generates annual revenues exceeding $100 million and is committed to quality work and community contributions. GBI offers full-service site development, handling complex projects from pre-construction planning to demolition, grading, paving, and underground utilities. Their expertise includes road construction, sewer rehabilitation, and infrastructure projects that enhance safety and accessibility. The company serves private developers, commercial clients, and public works agencies, with a strong focus on Caltrans projects. GBI is recognized for its teamwork, safety, and efficiency, earning accolades such as NorthBay bizs 2014 BEST Contractor/Builder award.
HOLT Group, headquartered in San Antonio, Texas, is a values-driven, family-owned enterprise with a rich heritage dating back to 1933. Our people-first approach and Values-Based Leadership model define our culture and operational philosophy. Renowned for innovation, quality, integrity, and exceptional customer service, weve evolved from the William K Holt Machinery Co. to become the largest Cat equipment dealership in the US, known as HOLT CAT. Our diverse portfolio spans industrial, commercial, energy, technology, and training sectors. Operating under various entities including HOLT CAT®, Texas First Rentals®, HOLT Truck Centers®, HOLT Crane & Equipment®, HOLT Industrial Rentals, HOLT Industrial Systems, HOLT Manufacturing, HOLT Renewables, HOLT Aerial, SITECH Tejas, and Epiphany Industrial Technologies, were committed to driving excellence and exceeding expectations in everything we do.