General information for Interstate Service Co Inc
Physical address
4101 Utah Ave, Brentwood, Md, 20722
Mailing address
4101 Utah Avenue, Brentwood, MD, 20722
Website
isc-hvac.com
Points of contact for Interstate Service Co Inc
SAM.gov Points of Contact
Heather
D'Jangali
Government Business POC
Alternate Government Business POC
Alternate Electronic Business POC
4101 UTAH AVENUE, Brentwood, MD, 20722
Shamisa
Charmchi
Electronic Business POC
4101 UTAH AVENUE, Brentwood, MD, 20722
Additional contact details may be available
NAICS codes for Interstate Service Co Inc
| Code | Description | Small Business |
|---|---|---|
| 238220 PRIMARY | Plumbing, Heating, and Air-Conditioning Contractors | Yes |
| 333415 | Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing | Yes |
| 423730 | Warm Air Heating and Air-Conditioning Equipment and Supplies Merchant Wholesalers | Yes |
|
518210
|
Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services
|
Yes
|
|
561210
|
Facilities Support Services
|
Yes
|
|
811310
|
Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance
|
No
|
PSC codes for Interstate Service Co Inc
| Code | Description |
|---|---|
| 4110 | REFRIGERATION EQUIPMENT |
| 4120 | AIR CONDITIONING EQUIPMENT |
| 4130 | REFRIGERATION AND AIR CONDITIONING COMPONENTS |
|
4520
|
SPACE AND WATER HEATING EQUIPMENT
|
|
H135
|
QUALITY CONTROL- SERVICE AND TRADE EQUIPMENT
|
|
H141
|
QUALITY CONTROL- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
H143
|
QUALITY CONTROL- PUMPS AND COMPRESSORS
|
|
H145
|
QUALITY CONTROL- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
H147
|
QUALITY CONTROL- PIPE, TUBING, HOSE, AND FITTINGS
|
|
H148
|
QUALITY CONTROL- VALVES
|
|
H241
|
EQUIPMENT AND MATERIALS TESTING- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
H341
|
INSPECTION- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
H941
|
OTHER QUALITY CONTROL, TESTING, AND INSPECTION- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
J041
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
J045
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
K041
|
MODIFICATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
L041
|
TECHNICAL REPRESENTATIVE- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
N041
|
INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
N045
|
INSTALLATION OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
N048
|
INSTALLATION OF EQUIPMENT- VALVES
|
|
Z1EZ
|
MAINTENANCE OF OTHER INDUSTRIAL BUILDINGS
|
|
Z2AZ
|
REPAIR OR ALTERATION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS
|
Update history
1 change(s) tracked
Feb 3, 2026
NAICS 811310: small-business status Yes → No
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