Lloyd W Aubry Co., Inc.
Fabrication, installation services for equipment, machinery, piping and structural work. From grape handling through packaging.
Bacchus Caves
Personal and commercial underground spaces from concept to completion. Layout, design, enginconstruction of complete cavAny and all underground and earth retention work.
Brown and Caldwell
Brown and Caldwell connects you to a network of engineers, scientists, consultants and constructors ready to help you meet your environmental challenges and your business goals.
Building Material Distributors
Building Material Distributors, Inc. (BMD) is a wholesale distributor of specialty building materials, BMD supplies quality products to independent lumberyards, regional building material dealers, window and door specialty retailers, hardware retailers and home centers.
Cello & Maudru Construction
We've developed expert knowledge of the production methods and visitor experiences that are unique to the vintner. At every step, we respect our clients' business with a firm dedication to schedule. The harvest waits for no builder.
As an energy efficiency consulting firm serving California wineries and dairies, our programs have been directly supporting two of the state's top commodities since 2006.
Condor Earth Technologies
Condor Earth Technologies, Inc. is a diversified, multidisciplinary organization providing a variety of Earth and Environmental Sciences, Engineering, Mapping, GIS, and Construction Management Services to private and public sector clients.
Crystal Structures
Let Crystal Structures shine daylight on your winery and/or tasting room! We design, fabricate and install Solariums, Skylights, Greenhouses and any glazed structure you can dream up, utilizing traditional glass or contemporary polycarbonate panels.
Davis Reed Construction
Davis Reed has the experience, financial strength and geographical reach to to build any project.
Dolan Concrete
State License No. 160131
Elutriate Systems
Engineering Contractor Lic. #788185. Permit, design, install and provide equipment for wastewater systems. Specialize in Bioreactors, which utilize high aeration to achieve very rapid b.o.d. digestion, biodynamics.
F. Walther Electric Corp
Industrial/Commercial electrical interconnect and power distribution systems
GMH Builders
GMH Builders Inc. is a Sonoma based general contractor focused on commercial, hospitality, tenant improvement, healthcare, multi-family and estate residential construction.
Graybar Electric
Graybar, a Fortune 500 company, specializes in supply chain management services and is a leading North American distributor of high-quality components, equipment and materials for a number of industries.
Harkey Construction, Inc.
Harkey Construction, Inc., a Diamond Certified company, specializes in tenant improvements, new and renovated tasting rooms, custom homes, remodeling and additions for commercial and residential markets in Northern California.
Huckfeldt Well Drilling, Inc.
Installation of new water wells for commercial, irrigation & domestic applications in Napa, Sonoma and Solano counties.
Hulsey Contracting, Inc.
Hulsey Contracting is a commercial protective coatings energy-efficient spray insulation and coatings for a wide range of industries. Services: wine tank insulation, CO2 tank insulation, floor resurfacing, cool roof systems.
Iptor Supply Chain Systems
Products that solve the toughest problems in distribution. Supply chain.
Jim Murphy & Associates
General contractor JMA builds winery production, hospitality and administrative buildings, as well as wine caves. An uncommon builder, we place you and your project above our own needs and we stand behind our word and our work.
KDC Construction
KDC provides dedicated services in estimating, pre-construction, scheduling and field management. We have the capability to self-perform a variety of trades with contractor licenses in General Building, General Engineering, Mechanical and Plumbing.
Kennedy/Jenks Consultants, Inc.
Kennedy Jenks specializes in sustainable process water management and offers a full range of planning, design, construction management and permitting services for new wineries and expansion projects.
Ledcor Construction, Inc.
General contracting, pre-construction, value engineering, bidding and procurement, conceptual estimating.
Logility offers collaborative supply chain optimization and advanced retail planning solutions.
Magorian Mine Services
Building quality wine caves in California. Well over 30 caves built to date by veteran cave builder Don Magorian, mining engineer and owner.
Meeker Builders, Inc.
Custom designs, general contractor for custom structures, supplier of log materials and approved stain/sealers.
Nordby Construction & Wine Caves
Wine cave division: cave excavation, personal cellars, garages, elevator shafts, permits, planning, soil nailing, shotcrete, end post installation, drilling & blasting, specialty underground warehousing. Construction division: new construction, site
P&L Specialties
Custom Manufacturers of High-Performance Crushpad Equipment designed to increase yield, while saving time and labor. Whole-cluster metering, MOG removal for Optical Sorters and long-lasting conveyors. US Dist. for MAS Presses.
Upgrade equipment or establish entirely new facilities; bottling lines, crushpad and cellar installations. Experienced, expert support for packaging and automation projects that stretch the capacity or expertise of your existing engineering team.
Placer Process Systems, Inc.
We provide process fabrication and install services to wineries. A turnkey design, fabrication and install firm; we've completed projects such as must lines, tank modifications, wine piping, utilities, skid mounted equipment, crush pad upgrades...
Polycast (Hubbell Lenoir City)
Surface drainage products for the commercial, industrial and transportation markets.
SiteWorks Landscape
Siteworks has spent the last 15 years building some of the finest landscapes throughout the bay area.
Snowline Construction
Full service design/build contractors since 1986. We've designed & built several wineries in El Dorado County including Obscurity Cellars, Windwalker, Skinner Vineyards, Rucksack Cellar (Madrona) and more.
Soule Building Systems
Specialty Construction, Inc.
We are committed to developing long-term client relationships and structuring our scope of services to best match our client's needs.
Swenson Builders
SWENSON Builders is a fourth generation General Contractor and Construction Manager serving the Greater S.F. Bay Area.
Whitaker/Ellis Builders, Inc.
Concrete contractor specializing in a wide range of commercial and industrial applications, including foundations, basement and retaining walls, post-tension decks, slabs, tilt-up construction and complex architectural concrete.
Wolff's Welding & Fabrication
Metal fabricator specializing in catwalks, stairs, handrails, grape receiving and sorting tables, belt and screw conveyors, process piping, hoppers, hose racks and carts.
WOW Logistics
WOW Logistics is an integrated supply chain solutions provider with services in operations, real estate development, inventory financing, and technology solutions.
Wright Contracting
General contractor and construction manager specializing in winery construction.
ZFA Structural Engineers
ZFA is a 38 person firm that includes a CADD department, an in-house construction renew team. Engineering of schools, public, commercial and winery projects.


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