Founded in 1887, Teichert’s two main operating companies are Teichert Construction and Teichert Materials. Teichert Construction holds California State Contractor’s License #8, the oldest active license in California. Teichert Construction is a general contractor that builds the infrastructure people use each day, including hundreds of thousands of mile of roads and freeways, commercial and industrial sitework, parks, airports, and more. One advantage that Teichert Construction brings our customers is a full line of construction services. These include mass grading, asphalt paving, concrete paving, curbs and sidewalks and underground pipelines. We stay on the cutting edge, from training our employees to outfitting our construction equipment with the latest technology for greater job efficiency. Teichert Materials is one of the largest construction materials producers in the county. This includes; Teichert Aggregates, a rock, sand, gravel and asphaltic concrete producer. Teichert Materials makes the materials to build homes, schools, offices, roads, levees and other community projects. Since our business is dependent on the use of natural resources, we work closely with neighbors, environmental experts and public officials to design, reclaim and replenish the environment in which we work. This is our 'net-gain'​ approach to doing business

DeSilva Gates Construction is an award-winning general engineering contractor that has been building large-scale infrastructure and residential projects in the San Francisco Bay Area since 1932. We specialize in civil engineering, grading, paving, and construction management, while owning and operating three hot-mix asphalt plants and operating one of the largest quarries in the San Francisco Bay Area. Large-scale construction projects require a diverse range of skills, knowledge, and expertise. With a stable workforce, modern fleet of equipment, stable materials supply, and a network of specialist contractors, DeSilva Gates can take your public and private construction project from planning to completion. We’ve managed some of the largest civil engineering, highway, and infrastructure projects in California, completing our projects on time and under budget with exceptional attention to detail. We also provide in-house environmental remediation services through our affiliated company, Pacific States Environmental Contractors, Inc. and trucking services through Double D Transportation.

We build to improve lives. Knowing that the work we do directly affects people, we commit to delivering a high quality end product with a collaborative construction process. The planning, collaboration, communication, and execution for each of our projects is focused on the success of the entire team, an approach that has earned us a network of excellent partners and a 93% client referral rate. Whether constructing office space, a laboratory, or a mission critical facility, we offer a practical approach built on a foundation of technical construction experience tailored to meet each project’s specific needs. Founded in 1992 and with offices in the Bay Area and Sacramento, California, XL is a contractor of choice for leading companies in technology, life sciences, healthcare, and education. XL is consistently ranked as one of the Best Places to Work by the San Francisco Business Times/Silicon Valley Business Journal and is a founding member of the United States Green Building Council (USGBC) Silicon Valley Chapter.

With an expansive international platform, Panattoni Development Company, Inc. specializes in industrial, office and build-to-suit development. Our 53 offices in the United States, Canada ,Europe and Asia are responsible for development of over 578 million square feet. Each office is rooted in the local community with strong partnerships that produce the best results for our clients in each region.

DRYCO Construction, Inc. has been a leader in the commercial pavement maintenance industry for over 30 years and has grown to service The Greater Bay Area, Central Valley, and Northern California. We work with property managers, facility managers, project engineers, general contractors, and building owners to keep their most valuable assets protected and maintained. We offer a variety of services while always staying up-to-date with industry technology and best practices. DRYCO estimators are your project managers, allowing us to keep even the largest and most complex jobs well organized while giving you a single point of contact. DRYCO employees make every effort to ensure all our customers’ needs are met. Whether you need ADA upgrades, parking lot maintenance, sealcoating, concrete ramps, or fencing repairs, DRYCO is equipped to handle all aspects of your asphalt, concrete, and fencing needs. Asphalt • Sealcoat • Striping • Concrete • Fence & Iron

Mountain Cascade specializes in difficult projects with challenging engineering tasks. With over a century of combined management experience on a diverse range of projects we are able to mobilize and construct projects anywhere in the entire western US. We routinely take on the projects that our competitors shy away from and turn them into successful jobs. Creative thinking, innovative techniques, experienced project management, and safe practices have allowed us to become one of the largest most competitive pipeline contractors in the region.

Leader in quality highway improvement product installations in California, with offices in the San Francisco Bay Area, the Central Valley and Southern California.

Serving organizations since 1998 as a Resource Capability & Business Development Company, MDR™ is led by a seasoned team of trusted advisors in multiple disciplines. With its team's extensive background and experience in hands on management and leadership, MDR™ identifies, vets, certifies and strategically utilizes best-in-class resources (Best Practices™) in partnerships with seasoned subject matter experts (PRN Advisory™ services) to optimize the financial, operational and strategic objectives of our colleagues/clients.

MCM CONSTRUCTION INC. is a construction company based out of N Highlands Ave, Turlock, CA, United States.

Duran & Venables is the leading provider of Engineering Contracting, Grading and Paving construction services in Northern California including the San Jose/San Francisco Bay Area & greater Sacramento Area. For more than 34 years, we have been providing quality services and products to our customers, while delivering projects on time and within budget. Since 1979, Duran & Venables has built a reputation for providing superior construction services throughout Northern California. Duran & Venables delivers reliable, value-engineered services through solid relationships with our customers, employees, subcontractors, and our communities. At each job site, our experienced Project Managers work directly with the customer to ensure a safe, secure, and productive working environment. We come fully prepared with a sufficient work crew and necessary equipment to get the job done on time and within your budget. Duran & Venables will solve your general contracting and subcontracting needs through one of our many services.

D.W. Nicholson Corporation is a national mechanical, electrical and structural steel fabrication firm which started in 1935 and has continuously served the demands of the rapidly evolving industrial sector. DWN has historically been the largest employer of Millwrights in the state of California and have established national labor union agreements with various trades. This background of success allows D. W. Nicholson Corporation to consistently provide knowledgeable, highly skilled workers and staff. D.W. Nicholson is proud to boast over seven decades of successfully meeting and exceeding the standards in the construction industry. The company has evolved into a nationally recognized firm, providing First Class installations of all types of industrial mechanization projects including the nation’s first 100%, Inline EDS Systems at San Francisco International Airport’s International Terminal.

Full service general engineering contractor, speacializing in grading, paving, underground wet utilities and concrete curbs and flat work. Our Mission is to safely perform high quality engineering services on time, giving the best value to our customers. The company is in its third generation. The founding principles and values set by Amedeo Biondi in 1948 and later Gene Biondi up to the early 80's is what set us apart from the norm.