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San Leandro, CA
WES-CO Industries: Expert engineering and contracting for industrial ventilation, dust collection, and custom solutions since 1923.
Trusted construction partner with over 50 years experience in commercial and industrial projects.
SilMan Industries offers integrated industrial services for construction and manufacturing, emphasizing safety and teamwork.
Premier steel contractor in California, specializing in fabrication and erection since 2002.
Columbia Electric, Inc. energizes communities in Northern California with innovative electrical contracting since 1999.
Bigge Group Inc. is a leading crane company with over a century of experience in construction and heavy lifting solutions.
VIP Powerline Corp: Leaders in high-voltage utility construction across Canada and the U.S., committed to safety and innovation.
Superior Tile & Marble provides premium tile and natural stone solutions for residential and commercial projects in Utah and Nevada.
Total Plumbing provides expert underground construction and plumbing services across the Bay Area with a focus on customer satisfaction.
MG Remediation, Inc. offers top-tier environmental and construction services across the West Coast since 2004.
Castro Valley, CA
E & S Masonry: Leading Union Contractor in Northern California with over 55 years of experience in commercial masonry.
Division 8 Resource Inc. offers expert glazing services and custom glass solutions for commercial and residential projects.
CoBUILD Inc. specializes in tenant improvements and biotech laboratories, emphasizing partnership and innovation in construction.
Oakland, CA
Seifert Engineering Inc. offers comprehensive engineering and electrical services focused on client satisfaction.
Sewer Master Engineering Inc. specializes in sewer lateral compliance, repair, and installation in the East Bay area.
Parametrix Inc. is an employee-owned engineering and environmental consulting firm focused on innovative solutions for clients.
Bay Area Structural, Inc. specializes in engineering, earthquake retrofitting, and construction management in California.
D-Line Constructors: A relationship-focused, quality-driven general engineering contractor specializing in civil construction services.
Ray's Electric: an employee-owned electrical contractor since 1961, specializing in public works and engineering projects.
Civil engineering leader in Northern California, delivering quality construction and infrastructure services since 1991.