Stacy and Witbeck is one of the nation’s largest heavy civil contractors and a top builder of transit and transportation projects. We are recognized as a leader in managing and constructing complex projects while working collaboratively with project owners, designers, and stakeholders to successfully deliver projects. As experts in alternative project delivery methods, we have earned the reputation of being the “go-to” contractor for many agencies. Our talented workforce has experience in all aspects of construction including structures, track work, earthwork, utility work, systems, and systems integration. We take pride in our superior client service, consistent construction excellence, and responsiveness to community concerns. Our safe, prompt, efficient, and fair construction practices have made us a valued partner, contractor, and employer. As an employee-owned company, we are not only invested in the success of our projects, but also the success of our people.

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.

Mark Thomas is a company that is dedicated to improving how we all move through our world. From civil and structural engineering, land surveying, landscape architecture and urban design, a Mark Thomas project is a project defined by its seamless design, quality craftsmanship, community focus and thoughtfulness towards the surrounding natural environment. It’s not about simple connection, but creating a better way for all of us to Move Forward. Visit us at markthomas.com and follow us on Twitter @markthomas_co to learn more about us.

For more than 125 years, Obayashi Corporation has delivered quality solutions to infrastructure challenges across the globe. Founded in 1892, Obayashi has left its mark in all corners of the world. We provide a full range of general contractor services in both public works and private sectors including: office buildings, residences, tunnels, highways, rail systems, bridges, artificial islands, airports and nuclear power plants. Other services include urban planning and architecture, real estate and property development, environmental, and waste services. Obayashi Corporation’s first introduction to the U.S. market was the Surfrider Hotel project in Hawaii (1967-69). Since then, Obayashi has added Building Construction, Heavy Civil Construction and Real Estate Management to its portfolio of services in the United States. In addition, Obayashi has merged several US/Canadian companies which expand our market throughout North America including Canada. North American Regional Headquarters was established in 2010 to administer the business operations of Obayashi Group in North America. Currently, the consolidated revenue generated by North American operations is over $2 billion. By combining technological expertise with local knowledge and state of the art capability, we are creating a synergy for expanding business throughout North America.

100% Employee owned, Ghilotti Construction Company has more than a century of engineering experience and a family tradition of hard work and dependability. The Santa Rosa-based company is ranked amongst the top 400 contractors in the Nation by Engineering News Record, widely known as the most authoritative publication in the construction industry. Ghilotti specializes in total site preparation for state, counties, and municipalities in Northern California, in addition to privately owned developments, including grading and excavating, paving, storm drains, water and sewer lines, equipment rental, soil stabilization, site and structure concrete, bridges and underground utilities. Ghilotti has offices in Santa Rosa, San Rafael, Livermore, American Canyon, Santa Clara, Oakland, Roseville, and Ukiah.

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

Wilson Meany is a privately owned real estate investment and development firm focused on urban infill locations in the Western United States. Wilson Meany brings more than 35 years of experience to its mixed-use, residential, retail and office developments, all of which reflect the company's commitment to integrity, innovation and quality. Known for place-making, historic renovation, innovative technology, sustainability and public/private partnerships, Wilson Meany specializes in complex, large-scale, master planned development and excels in delivering unique real estate solutions which address regional growth challenges and revitalize urban areas. The firm achieves this through creative vision; outstanding teamwork; successful navigation of complex entitlement and regulatory requirements; and sensitivity to the needs and concerns of local citizens and broader communities. Wilson Meany was founded in 2003 by development partners of William Wilson & Associates, Wilson Meany LLC and Wilson/Equity Office. Known as premier developers of mixed-use, residential, retail and office properties, Wilson Meany and its predecessor entities have long been recognized among the most respected and consistently successful investment and development firms in the San Francisco Bay Area. Collectively, Wilson Meany's partners and professionals have developed over 10 million square feet, including some of the most innovative and distinctive properties in California.

Gayner Engineers is a mechanical or industrial engineering company based out of 1133 Post St, San Francisco, California, United States.

Ghilotti Bros., Inc. is a leading general engineering contractor in California. A strong complement of dedicated employees and a family-owned heritage, now in its third generation, GBI is excited about its future outlook in continuing its 100 year legacy in the Bay Area. As GBI commemorates its centennial celebration, they reflect on three generations’ worth of change and transformations in the construction industry. GBI has always prided itself on being at the forefront of the industry, keeping an edge on the competition. Throughout its history, there has been a constant principle that has guided their way: “Earn respect by doing a job well, treat employees with courtesy and respect, and do good work for the community,” as enumerated by our founder, James Ghilotti.”

Our vision is to provide seamless water and wastewater project delivery to our clients by integrating design, construction, plant operations and maintenance. At Western Water we recongize that our most important asset is our people and we are therefore highly committed to investing in them. We believe in providing vertical opportunities where attitude, hard work and ability determine a person's ascention through the company ranks. As a merit shop company we are able to retain a high percentage of our employees year after year, creating a safe, stable and experienced team. Western Water Constructors, Inc. 707 Aviation Blvd Santa Rosa, CA 95403 707-540-9640 Map data ©2008 Tele Atlas - Terms of Use

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

Cornerstone Earth Group integrates geotechnical engineering, environmental services, engineering geology, and construction services into a single, client-focused team to facilitate cost-effective site selection, project design, and site development. Our technical capabilities and construction and remediation expertise allow us to develop creative but practical solutions to meet our clients'​ project requirements. With over 200 years of combined Principal experience, our team has the project leadership, experience and practical focus to provide the value-adding service our clients require.