Skip to content

Vendors

Interstate Service Co Inc

Active registration

Location: Brentwood, Maryland, United States
Unique Entity ID (UEI): D181QYZKKCN9
Commercial and Government Entity (CAGE): 41156

Industries

Plumbing, Heating, and Air-Conditioning ContractorsNAICS 238220Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment ManufacturingNAICS 333415Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant WholesalersNAICS 423730Label unavailableNAICS 518210NLabel unavailableNAICS 561210NCommercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and MaintenanceNAICS 811310

Products & services

Refrigeration EquipmentPSC 4110Air Conditioning EquipmentPSC 4120Refrigeration and Air Conditioning ComponentsPSC 4130Space and Water Heating EquipmentPSC 4520Quality Control- Service and Trade EquipmentPSC H135Quality Control- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC H141Quality Control- Pumps and CompressorsPSC H143Quality Control- Plumbing, Heating, and Waste Disposal EquipmentPSC H145Quality Control- Pipe, Tubing, Hose, and FittingsPSC H147Quality Control- ValvesPSC H148Equipment and Materials Testing- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC H241Inspection- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC H341Other Qc/test/inspect- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC H941Maint/repair/rebuild of Equipment- Plumbing, Heating, and Waste Disposal EquipmentPSC J045Modification of Equipment- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC K041Technical Representative- Refrigeration, Air Conditioning, and Air Circulating EquipmentPSC L041Installation of Equipment- Plumbing, Heating, and Waste Disposal EquipmentPSC N045Maintenance of Other Industrial BuildingsPSC Z1EZRepair or Alteration of Other Administrative Facilities and Service BuildingsPSC Z2AZ

Business types

For Profit Organization
Subchapter S Corporation

View official source

Source date: Oct 5, 2026

Record identifier

D181QYZKKCN9