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Public record · California

San Luis Obispo County: 864 companies on record.

The companies the public registers place in San Luis Obispo County, California, by sector, as DealSTE read them — read 8 Nov 2026. Each opens on its own record page: registration, sites, permits, liens and compliance, each with its register.

By sector
SectorCompanies
Auto services — repair, collision, tire280
Healthcare — medical, dental & home health125
Defense and federal contracting114
Trades — HVAC, plumbing, electrical, mechanical105
Home construction & remodeling88
Manufacturing52
Commercial & specialty contracting23
Retail — specialty, convenience & liquor17
Landscaping, lawn care & grounds12
Funeral homes11
Professional services — accounting, engineering, insurance8
Car washes & quick lube7
Distribution & wholesale5
Crushed stone4
Equipment rental3
Sand and gravel2
Trucking2
Waste hauling, roll-off & recycling2
Commercial cleaning & facilities services1
Pest control1
Restaurants1
Staffing1
The companies — the first 50 of 864, as the map lists them
CompanySectorCity
Professional Services Construction, Inc.Home construction & remodelingRANCHO SANTA MARGARITA
Central Drywall, Inc.Trades — HVAC, plumbing, electrical, mechanicalGROVER BEACH
BONESO BROTHERS CONSTRUCTION INCTrades — HVAC, plumbing, electrical, mechanicalPASO ROBLES
LEO TIDWELL EXCAVATING CORPORATIONTrades — HVAC, plumbing, electrical, mechanicalPASO ROBLES
SOUZA ENGINEERING CONTRACTING, INC.Commercial & specialty contractingSAN LUIS OBISPO
Castoro CellarsManufacturingSan Miguel
COBALT CONSTRUCTION COMPANYHome construction & remodelingGROVER BEACH
John Madonna Construction Co., Inc.Commercial & specialty contractingSAN LUIS OBISPO
RAINSCAPE A LANDSCAPE SERVICE COMPANYLandscaping, lawn care & groundsSAN LUIS OBISPO
RevasumManufacturingSan Luis Obispo
SLO PLASTERING INCTrades — HVAC, plumbing, electrical, mechanicalSAN LUIS OBISPO
Coast Southwest SurfactantsManufacturingPaso Robles
J.W. Design & Construction, Inc.Home construction & remodelingSAN LUIS OBISPO
PEOPLES SELF-HELP HOUSING CORPORATIONHome construction & remodelingSAN LUIS OBISPO
Talley VineyardsManufacturingArroyo Grande
PetdoorsManufacturingSan Luis Obispo
CENTRAL COAST FENCE, INC.Trades — HVAC, plumbing, electrical, mechanicalGROVER BEACH
RON JORDAN CONCRETE PUMPING INCTrades — HVAC, plumbing, electrical, mechanicalPASO ROBLES
Associated Construction and Engineering, IncManufacturingHemet
VIOLA CONSTRUCTION, INC.Home construction & remodelingARROYO GRANDE
J Lohr Winery CorpManufacturingSan Jose
Inspired Flight Technologies, Inc.Defense & federal contractingSan Luis Obispo
Hogue, Inc.ManufacturingPaso Robles
Newterra Corporation, INCManufacturingCoraopolis
California Fine Wire CompanyManufacturingGrover Beach
Cloacina LLCManufacturingArroyo Grande
Crosno Construction, IncManufacturingArroyo Grande
L.R. Baggs CorporationManufacturingNipomo
Phase 2 CellarsManufacturingSan Luis Obispo
Phillips 66 - Santa Maria RefineryManufacturingArroyo Grande
Promega CorporationManufacturingSan Luis Obispo
Voler IncManufacturingGrover Beach
Advance Adapters, LLCManufacturingPaso Robles
guadalupe cooling companyTrucking, freight & logisticsNIPOMO
Impact Absorbents, IncManufacturingAtascadero
Inspired Flight Technologies, Inc.ManufacturingSan Luis Obispo
Synergy Manufacturing IncManufacturingSan Luis Obispo
Vitco MeatsManufacturingSan Luis Obispo
ClearWater TechManufacturingSan Luis Obispo
Kairos Manufacturing IncManufacturingSan Luis Obispo
ONX Winery IncManufacturingPaso Robles
Trust Automation, Inc.ManufacturingSan Luis Obispo
Advanced Powder Coating & Sandblating Inc.ManufacturingPaso Robles
Applied Technologies Associates, Inc.ManufacturingPaso Robles
Howard Products, Inc.ManufacturingPaso Robles
Pine Ridge WineryManufacturingSan Luis Obispo
Trust Automation INCDefense & federal contractingSan Luis Obispo
FILIPPONI-THOMPSON DRILLING INCCommercial & specialty contractingATASCADERO
KD Janni Landscaping, Inc.Landscaping, lawn care & groundsSAN LUIS OBISPO
MIKE MITCHELL CONSTRUCTION INCHome construction & remodelingPASO ROBLES

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