Public record · California
Contra Costa County: 2,561 companies on record.
The companies the public registers place in Contra Costa County, California, by sector, as DealSTE read them — read 10 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.
| Sector | Companies |
|---|---|
| Auto services — repair, collision, tire | 740 |
| Trades — HVAC, plumbing, electrical, mechanical | 392 |
| Home construction & remodeling | 391 |
| Healthcare — medical, dental & home health | 371 |
| Defense and federal contracting | 284 |
| Manufacturing | 92 |
| Landscaping, lawn care & grounds | 63 |
| Commercial & specialty contracting | 38 |
| Distribution & wholesale | 32 |
| Professional services — accounting, engineering, insurance | 32 |
| Retail — specialty, convenience & liquor | 31 |
| Car washes & quick lube | 13 |
| Trucking | 13 |
| Waste hauling, roll-off & recycling | 12 |
| IT & managed services | 11 |
| Equipment rental | 9 |
| Funeral homes | 8 |
| Staffing | 7 |
| Commercial cleaning & facilities services | 6 |
| Pest control | 5 |
| Childcare | 3 |
| Restaurants | 3 |
| Sand and gravel | 3 |
| Crushed stone | 2 |
| Company | Sector | City |
|---|---|---|
| PLANCHON ROOFING INC | Trades — HVAC, plumbing, electrical, mechanical | SAN PABLO |
| PEACOCK CONSTRUCTION INC | Home construction & remodeling | LAFAYETTE |
| CARONE & COMPANY INC | Trades — HVAC, plumbing, electrical, mechanical | CONCORD |
| EVANS BROTHERS INC. | Trades — HVAC, plumbing, electrical, mechanical | LIVERMORE |
| GLAZIER STEEL INC | Trades — HVAC, plumbing, electrical, mechanical | HAYWARD |
| MARTINEZ SHEET METAL INC | Trades — HVAC, plumbing, electrical, mechanical | MARTINEZ |
| BDS PLUMBING INC | Trades — HVAC, plumbing, electrical, mechanical | LIVERMORE |
| CROCKETT ELECTRIC CO. | Trades — HVAC, plumbing, electrical, mechanical | MARTINEZ |
| GK WELDING INC | Trades — HVAC, plumbing, electrical, mechanical | RICHMOND |
| Hawksley Masonry, Inc. | Trades — HVAC, plumbing, electrical, mechanical | ANTIOCH |
| QuarryHouse, Inc. | Trades — HVAC, plumbing, electrical, mechanical | SAN ANSELMO |
| Rubicon Enterprises Inc | Landscaping, lawn care & grounds | RICHMOND |
| RUDY'S COMMERCIAL REFRIGERATION INC | Home construction & remodeling | SAN PABLO |
| BRANAGH DEVELOPMENT, INC. | Home construction & remodeling | LAFAYETTE |
| COWAN & THOMPSON CONSTRUCTION, INC. | Trades — HVAC, plumbing, electrical, mechanical | MARTINEZ |
| Douglas Products & Packaging Company LLC | Manufacturing | Pittsburg |
| MARK BEAMISH WATERPROOFING INC | Trades — HVAC, plumbing, electrical, mechanical | IRVINE |
| Pacific Power & Systems, Inc. | Trades — HVAC, plumbing, electrical, mechanical | FAIRFIELD |
| Robert L. Brown Construction Inc. | Home construction & remodeling | MARTINEZ |
| W A THOMAS CO INC | Home construction & remodeling | MARTINEZ |
| ALL AMERICAN FENCE CORPORATION | Trades — HVAC, plumbing, electrical, mechanical | LIVERMORE |
| Contra Costa Door Co. | Trades — HVAC, plumbing, electrical, mechanical | CONCORD |
| James E Roberts-Obayashi Corporation | Home construction & remodeling | DANVILLE |
| R.J. Gordon Construction, Inc | Commercial & specialty contracting | PLEASANT HILL |
| Valent USA LLC | Manufacturing | San Ramon |
| WHITESIDE CONSTRUCTION CORPORATION | Trades — HVAC, plumbing, electrical, mechanical | RICHMOND |
| ADVANCED VOICE & DATA, INC. | Trades — HVAC, plumbing, electrical, mechanical | CONCORD |
| BASSING PAINTING INC | Trades — HVAC, plumbing, electrical, mechanical | RICHMOND |
| Contra Costa Roofworks, Inc. | Trades — HVAC, plumbing, electrical, mechanical | CONCORD |
| GENESIS LANDSCAPE INC | Trades — HVAC, plumbing, electrical, mechanical | BRENTWOOD |
| TARA COATINGS INC | Home construction & remodeling | STOCKTON |
| Joel Hewatt Co., Inc. | Manufacturing | Pittsburg |
| LEGACY RENOVATIONS INC | Home construction & remodeling | CONCORD |
| Marin Food Specialties Inc | Manufacturing | Byron |
| Ramar Foods International | Manufacturing | Pittsburg |
| Thorpe Design Inc | Trades — HVAC, plumbing, electrical, mechanical | BRENTWOOD |
| Walnut Creek Cookies LLC | Manufacturing | Concord |
| Kie-Con Inc. | Manufacturing | Antioch |
| UCI CONSTRUCTION INC | Home construction & remodeling | FAIRFIELD |
| ( HSI)Hospital Systems, Inc | Manufacturing | Pittsburg |
| Antioch Building Materials | Manufacturing | Pittsburg |
| Bishop-Wisecarver | Manufacturing | Pittsburg |
| CFS SoCal - North Hollywood | Manufacturing | Anaheim |
| STEPHENS MECHANICAL CORPORATION | Trades — HVAC, plumbing, electrical, mechanical | FAIRFIELD |
| BRADDOCK & LOGAN SERVICES INC | Home construction & remodeling | DANVILLE |
| Clean Harbors | Manufacturing | Fallon |
| Emcore | Manufacturing | Concord |
| GARDENERS GUILD INC | Landscaping, lawn care & grounds | RICHMOND |
| Aak | Manufacturing | Richmond |
| Alliance Marine | Defense & federal contracting | Antioch |
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