General information for RTH Mechanical Contractors Inc
Physical address
17 Production Dr, Dover, Nh, 03820
Mailing address
17 Production Dr, Dover, NH, 03820
Website
rthmechanical.com
Points of contact for RTH Mechanical Contractors Inc
SAM.gov Points of Contact
RICHARD
HANSELL
Government Business POC
Electronic Business POC
CEO
17 Production Drive, Dover, NH, 03820
SUZANNE
MACIEJOWSKI
Alternate Government Business POC
CONTROLLER
17 Production Drive, Dover, NH, 03820
STEVEN
SACHARCZYK
Alternate Electronic Business POC
PRESIDENT
17 Production Drive, Dover, NH, 03820
Additional contact details may be available
NAICS codes for RTH Mechanical Contractors Inc
| Code | Description | Small Business |
|---|---|---|
|
236220
PRIMARY
|
Commercial and Institutional Building Construction
|
Yes
|
| 221112 | Fossil Fuel Electric Power Generation | Yes |
| 221116 | Geothermal Electric Power Generation | Yes |
| 221117 | Biomass Electric Power Generation | Yes |
|
221210
|
Natural Gas Distribution
|
Yes
|
|
221310
|
Water Supply and Irrigation Systems
|
No
|
|
221320
|
Sewage Treatment Facilities
|
No
|
|
221330
|
Steam and Air-Conditioning Supply
|
No
|
|
236210
|
Industrial Building Construction
|
Yes
|
|
237110
|
Water and Sewer Line and Related Structures Construction
|
Yes
|
|
237120
|
Oil and Gas Pipeline and Related Structures Construction
|
Yes
|
|
238220
|
Plumbing, Heating, and Air-Conditioning Contractors
|
No
|
PSC codes for RTH Mechanical Contractors Inc
| Code | Description |
|---|---|
| 3433 | GAS WELDING, HEAT CUTTING, AND METALIZING EQUIPMENT |
| 4120 | AIR CONDITIONING EQUIPMENT |
| 4130 | REFRIGERATION AND AIR CONDITIONING COMPONENTS |
|
4310
|
COMPRESSORS AND VACUUM PUMPS
|
|
4320
|
POWER AND HAND PUMPS
|
|
4420
|
HEAT EXCHANGERS AND STEAM CONDENSERS
|
|
4510
|
PLUMBING FIXTURES AND ACCESSORIES
|
|
4520
|
SPACE AND WATER HEATING EQUIPMENT
|
|
4610
|
WATER PURIFICATION EQUIPMENT
|
|
H245
|
EQUIPMENT AND MATERIALS TESTING- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
H343
|
INSPECTION- PUMPS AND COMPRESSORS
|
|
H345
|
INSPECTION- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
H346
|
INSPECTION- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT
|
|
J041
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
J043
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- PUMPS AND COMPRESSORS
|
|
J045
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
J046
|
MAINTENANCE, REPAIR, AND REBUILDING OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT
|
|
K041
|
MODIFICATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
K043
|
MODIFICATION OF EQUIPMENT- PUMPS AND COMPRESSORS
|
|
K045
|
MODIFICATION OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
K046
|
MODIFICATION OF EQUIPMENT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT
|
|
N041
|
INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
N043
|
INSTALLATION OF EQUIPMENT- PUMPS AND COMPRESSORS
|
|
N045
|
INSTALLATION OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
W041
|
LEASE OR RENTAL OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT
|
|
W043
|
LEASE OR RENTAL OF EQUIPMENT- PUMPS AND COMPRESSORS
|
|
W045
|
LEASE OR RENTAL OF EQUIPMENT- PLUMBING, HEATING, AND WASTE DISPOSAL EQUIPMENT
|
|
Y1NE
|
CONSTRUCTION OF WATER SUPPLY FACILITIES
|
|
Z1ND
|
MAINTENANCE OF SEWAGE AND WASTE FACILITIES
|
|
Z1NE
|
MAINTENANCE OF WATER SUPPLY FACILITIES
|
|
Z2NB
|
REPAIR OR ALTERATION OF HEATING AND COOLING PLANTS
|
|
Z2ND
|
REPAIR OR ALTERATION OF SEWAGE AND WASTE FACILITIES
|
|
Z2NE
|
REPAIR OR ALTERATION OF WATER SUPPLY FACILITIES
|
Update history
1 change(s) tracked
Mar 19, 2026
NAICS 221310: small-business status Yes → No
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