C-61/D-17 Limited specialty: industrial insulations in California

A narrow trade the board licenses under the C-61 limited specialty class: industrial insulation. This is an older subcategory the board no longer issues; licenses that hold it keep it. California has 3 licenses with this classification on file, 3 of them active and 0 suspended.

Name, company, owner or license number

TradeAny trade A General engineering contractorB General building contractorB-2 Residential remodeling contractorC-2 Insulation and acoustical contractorC-4 Boiler, hot water heating and steam fitting contractorC-5 Framing and rough carpentry contractorC-6 Cabinet, millwork and finish carpentry contractorC-7 Low voltage systems contractorC-8 Concrete contractorC-9 Drywall contractorC-10 Electrical contractorC-11 Elevator contractorC-12 Earthwork and paving contractorC-13 Fencing contractorC-15 Flooring and floor covering contractorC-16 Fire protection contractorC-17 Glazing contractorC-20 HVAC contractor (warm-air heating, ventilating and air conditioning)C-21 Building moving and demolition contractorC-22 Asbestos abatement contractorC-23 Ornamental metal contractorC-27 Landscaping contractorC-28 Lock and security equipment contractorC-29 Masonry contractorC-31 Construction zone traffic control contractorC-32 Parking and highway improvement contractorC-33 Painting and decorating contractorC-34 Pipeline contractorC-35 Lathing and plastering contractorC-36 Plumbing contractorC-38 Refrigeration contractorC-39 Roofing contractorC-42 Sanitation system contractorC-43 Sheet metal contractorC-45 Sign contractorC-46 Solar contractorC-47 General manufactured housing contractorC-49 Tree and palm contractorC-50 Reinforcing steel contractorC-51 Structural steel contractorC-53 Swimming pool contractorC-54 Ceramic and mosaic tile contractorC-55 Water conditioning contractorC-57 Well drilling contractorC-60 Welding contractorC-61/D-3 Limited specialty: awningsC-61/D-4 Limited specialty: central vacuum systemsC-61/D-6 Limited specialty: concrete related servicesC-61/D-7 Limited specialty: conveyors and cranesC-61/D-8 Limited specialty: doors and door servicesC-61/D-9 Limited specialty: drilling, blasting and oil field workC-61/D-10 Limited specialty: elevated floorsC-61/D-12 Limited specialty: synthetic productsC-61/D-13 Limited specialty: fire extinguisher systemsC-61/D-15 Limited specialty: furnacesC-61/D-16 Limited specialty: hardware, locks and safesC-61/D-17 Limited specialty: industrial insulationC-61/D-19 Limited specialty: land clearingC-61/D-20 Limited specialty: lead burning and fabricationC-61/D-21 Limited specialty: machinery and pumpsC-61/D-22 Limited specialty: marbleC-61/D-23 Limited specialty: medical gas systemsC-61/D-24 Limited specialty: metal productsC-61/D-25 Limited specialty: mirrors and fixed glassC-61/D-27 Limited specialty: movable partitionsC-61/D-28 Limited specialty: doors, gates and activating devicesC-61/D-29 Limited specialty: paperhangingC-61/D-30 Limited specialty: pile driving and pressure foundation jackingC-61/D-31 Limited specialty: pole installation and maintenanceC-61/D-32 Limited specialty: power nailing and fasteningC-61/D-34 Limited specialty: prefabricated equipmentC-61/D-35 Limited specialty: pool and spa maintenanceC-61/D-36 Limited specialty: rigging and rig buildingC-61/D-37 Limited specialty: safes and vaultsC-61/D-38 Limited specialty: sand and water blastingC-61/D-39 Limited specialty: scaffoldingC-61/D-40 Limited specialty: service station equipment and maintenanceC-61/D-41 Limited specialty: siding and deckingC-61/D-42 Limited specialty: non-electrical sign installationC-61/D-43 Limited specialty: soil groutingC-61/D-44 Limited specialty: sprinklersC-61/D-47 Limited specialty: tennis court surfacingC-61/D-48 Limited specialty: theater and school equipmentC-61/D-49 Limited specialty: tree serviceC-61/D-50 Limited specialty: suspended ceilingsC-61/D-51 Limited specialty: waterproofingC-61/D-52 Limited specialty: window coveringsC-61/D-53 Limited specialty: wood tanksC-61/D-54 Limited specialty: rockscapingC-61/D-55 Limited specialty: blastingC-61/D-56 Limited specialty: trenching onlyC-61/D-59 Limited specialty: hydroseed sprayingC-61/D-62 Limited specialty: air and water balancingC-61/D-63 Limited specialty: construction clean-upC-61/D-64 Limited specialty: non-specializedC-61/D-65 Limited specialty: weatherization and energy conservationASB Asbestos certificationHAZ Hazardous substance removal certification

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