- Credit score:
- Reliable
- Reputation score:
- 44,110
- Employees:
- 266
- Forecast turnover (2026):
- 97,564,829 €
Durable, economical and smart solutions!
TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.
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maintenance of public roads
-
audit of construction works
-
maintenance
-
sanitation
-
maintenance
-
sewer system
-
street maintenance
-
expert assessment of building design documentation
-
construction research
-
construction of gas installation
-
making of traffic management projects
-
pressure equipment works
-
construction of roads and bridges
-
tea care
-
environmental construction
-
mining of mineral resources
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traffic management
-
road project management
-
project management of bridges
-
production and installation of asphalt
-
building equipment rental
-
car wash service
-
building
-
construction
-
design
-
construction work
-
repair work
-
repair
-
rebuilding
-
the warehouse
- Credit score:
- Reliable
- Reputation score:
- 8,910
- Employees:
- 24
- Forecast turnover (2026):
- 14,408,109 €
Building construction works
Water supply pipe works, cooling system, Installation of doors, Installation work of fire alarm system, Construction work for entertainment centres, Warehouse construction work, Construction work for kindergartens, building finishing works, Construction work on buildings related to leisure, sports, culture, accommodation and restaurants, Installation work of electrical wiring and equipment
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construction and maintenance
-
water floor heating
-
roof
-
reconstruction of apartment buildings
-
general contracting of construction works
-
cooling system
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
construction
-
heritage conservation
-
fire safety
-
construction
-
restoration
-
reconstruction
-
historical preservation
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apartment buildings
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school buildings
-
public buildings
-
general construction
-
walls
-
apartment building
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solar energy panels
-
nurseries
-
heat-recovery ventilation
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windows
-
additional fee
-
measurements
-
shooting range
-
environmental conservation
- Credit score:
- Reliable
- Reputation score:
- 8,610
- Employees:
- 35
- Forecast turnover (2026):
- 7,506,220 €
Installation of electrical equipment
electrical installations construction, internal electrical installations, substations, cable lines, preventive care, additional care, modernisation, correctional care, maintenance of high voltage substations, Energy
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heating
-
maintenance of high voltage substations
-
modernisation
-
preventive care
-
installation of electrical equipment
-
energy
-
energy and mineral resources
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sf6 gas handling
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internal electrical construction
-
external electrical construction
-
electrical works
-
owner supervision
-
electrical installations construction
-
correctional care
-
additional care
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cable lines
-
substations
-
internal electrical installations
- Credit score:
- Neutral
- Reputation score:
- 8,310
- Employees:
- 46
- Forecast turnover (2026):
- 2,132,507 €
Installation of sanitary equipment
sanitation, heat pumps installation, water supply and sanitation works, Design, Installation, Design and installation, private houses, santechnical works, sprinkler, sewer works
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design, construction and maintenance of fire safety
-
water supply and sanitation works
-
systems design
-
water supply and sanitation works
-
sanitation
-
maintenance
-
sewer works
-
fire safety
-
construction
-
cooling and air conditioning systems, heat pumps
-
inspection and maintenance
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complete solutions of the outer shell of the building
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outsourcing
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metal cladding
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ventilation work
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installation of heat pumps and air conditioners
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sprinkler and firefighting
-
heat pumps installation
-
design
-
installation
-
design and installation
-
private houses
-
tallinn
-
santechnical works
-
sprinkler
-
installation of sanitary equipment
- Credit score:
- Reliable
- Reputation score:
- 6,220
- Employees:
- 15
- Forecast turnover (2026):
- 5,276,101 €
Installation of air conditioning systems
Boilers, energy and mineral resources, heating, heating solutions, Equipment and machinery, Construction, Construction, Construction of gas installation, gas works, cooling and air conditioning systems, heat pumps
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heating
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air to water heat pumps
-
heat pumps
-
air water heat pumps
-
installation of air conditioning systems
-
boilers
-
energy and mineral resources
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
construction of gas installation
-
gas works
-
cooling and air conditioning systems, heat pumps
-
if your home is your fortress, the barn-nord will make your home a 21st century fortress. we offer the widest range of modern heat pumps (soil heat pumps, air-water heat pumps).
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need a heating or cooling solution for a larger project than a private house? no problem, the barn-nord has the necessary technical know-how and experience.
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after-service of heat pumps
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ground source heat pumps
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accessories
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entrust the supervision of your heating systems to experts. we have a corresponding cold work license and our specialists regularly attend factory-side training.
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modern equipment
-
cooling solutions
-
heating solutions
-
indoor climate
-
heat pump
-
tallinn
-
tartu
-
training
-
consultation and advisory
-
collectors
- Credit score:
- Reliable
- Reputation score:
- 5,340
- Employees:
- 25
- Forecast turnover (2026):
- 4,300,336 €
Roofing
foundation insulation, slate stones, hydrotechnical works, Roof bollards, replacement of roof cover, installation of roof systems, Roof construction, roof renovation, roof maintenance, roof repair
-
installation of roof systems
-
roof maintenance
-
gutter systems
-
maintenance
-
maintenance work
-
construction and real estate
-
building construction firms
-
hydrotechnical works
-
roof bollards
-
replacement of roof cover
-
roof construction
-
roof renovation
-
roof repair
-
bitumen roll materials
-
slate stones
-
stain roofs
-
cement fibre plates
-
vile roof coverings
-
flat roof coverings
-
flat roof construction
-
roofing
-
hydroinsulation
-
repair and maintenance
-
building
-
design
-
warm-up
-
roof
-
renovation
-
repair
-
insulation work
- Credit score:
- Reliable
- Reputation score:
- 4,960
- Employees:
- 7
- Forecast turnover (2026):
- 4,023,640 €
Pipeline and heating installation
ventilation, bosch climate engineering, City Climate, heating solution, balancing the heating system, ground heat, ground source heat pump, Smart Management, solar heating, underfloor heating
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heat pump maintenance
-
heat pumps
-
sewerage
-
cooling
-
heat pumps
-
cooling system
-
sanitation
-
cooling systems
-
maintenance
-
installation of soil collector
-
maintenance of heat pumps
-
service
-
ventilation
-
bosch climate engineering
-
city climate
-
heating solution
-
balancing the heating system
-
ground heat
-
ground source heat pump
-
smart management
-
solar heating
-
underfloor heating
-
the heat center
-
thermia
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air to air heat pump
-
air to water heat pump
-
installation
-
floor pouring
-
excavation work
-
question
- Credit score:
- Reliable
- Reputation score:
- 4,850
- Employees:
- 39
- Forecast turnover (2026):
- 1,366,454 €
J.V.H. Production
assembly of equipment for energy objects, assembly of metal structures, repair and replacement of heat supply lines, assembly of pipelines and bracket fittings of different definitions, assembly and repair works, metal structures installation, technical maintenance services, environmental protection in construction, energy equipment assembly services, heat supply lines repair
-
technical maintenance services
-
cooling systems
-
ventilation systems
-
installation of water supply pipelines
-
installation of air conditioning systems
-
assembly of equipment for energy objects
-
assembly of metal structures
-
repair and replacement of heat supply lines
-
assembly of pipelines and bracket fittings of different definitions
-
assembly and repair works
-
environmental protection in construction
-
energy equipment assembly services
-
heat supply lines repair
-
pipeline assembly services
-
bracket fittings installation
-
industrial repair works
-
estonia engineering services
-
narva assembly company
-
eu subcontracting services
-
marine vessels repair
-
exhaust gas cleaning systems
-
quality assembly works
-
repair of power plant equipment
-
power stations
-
gas stations
-
installation of steel structures
-
structural repairs
-
on-site welding
-
construction of platforms and towers
-
replacement of heat exchanger piping
- Credit score:
- Reliable
- Reputation score:
- 4,650
- Employees:
- 15
- Forecast turnover (2026):
- 2,302,272 €
Cleaner Communities, Greener Futures
We specialize in the transport of waste, waste management, and a variety of general and home services, including the elimination of sewerage blockages, cleaning of fat and sand trappers, and maintenance of water supply and sewers.
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water supply and repair of sewers
-
maintenance of sand trappers
-
maintenance of sand traps
-
cleaning and emptying of storm water wells
-
maintenance of sand traps
-
sewerage
-
transport of waste
-
waste management
-
general and home services
-
elimination of sewerage blockages
-
fat trappers
-
pressure washing of sewage pipes
-
cleaning of grease wells
-
cleaning sand trappers
-
street cleaning
-
cleaning and emptying of rainwater wells
-
pumping work
-
video surveys and pipeline searches
-
snow removal
-
watering services
-
waste management services
-
environmental cleaning solutions
-
sewer maintenance
-
fat-trapping cleaning
-
plumbing video inspection
-
hydro cleaning services
-
rainwater pit services
-
transport of waste
-
waste management consulting
-
cleansing of grease traps
- Credit score:
- Reliable
- Reputation score:
- 4,550
- Employees:
- 4
- Forecast turnover (2026):
- 2,839,189 €
Wholesale of other machines
laboratory equipment, medical equipment, pcr, reagents, lab equipment, laboratory consultation, lab equipment manitenance, service, cosnultation, Medical equipment servicing
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service
-
water purification systems
-
repair and preventive maintenance
-
identification and maintenance of failures
-
repair and maintenance
-
wholesale of other machines
-
laboratory equipment
-
medical equipment
-
pcr
-
reagents
-
lab equipment
-
laboratory consultation
-
lab equipment manitenance
-
cosnultation
-
medical equipment servicing
-
lab equipment validation
-
fermentation
-
bioprocesses
-
lab equipment troubleshooting
-
lab furniture
-
chemicals
-
freezers
-
laboratory balances
-
centrifuges
-
microscopes
-
pipettes
-
incubators
-
fume hoods
-
biosafety cabinets
-
laboratory automation
- Credit score:
- Reliable
- Reputation score:
- 4,200
- Employees:
- 12
- Forecast turnover (2026):
- 1,208,451 €
Warmth and Comfort, Engineered to Last.
We specialize in the design, construction, and maintenance of heating systems, boiler houses, and water supply networks, ensuring efficient energy use and comfort for our clients.
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central heating systems
-
sewer
-
sewerage
-
water pipeline installation
-
sewer construction and maintenance
-
installation of water pipeline
-
maintenance
-
sanitation
-
construction and maintenance
-
energy and mineral resources
-
heating
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
boiler houses
-
thermal equipment
-
boiler house construction
-
ground heating
-
heat node solution
-
water supply
-
diamond drilling
-
heat nodes
-
eco-friendly ground heating
-
ground source heat pump installation
-
renewable heating
-
environmentally friendly water solutions
-
industrial water services
-
thermal equipment installation
-
custom machine solutions
- Credit score:
- Reliable
- Reputation score:
- 4,020
- Employees:
- 12
- Forecast turnover (2026):
- 6,275,150 €
Warmth for Today, Energy for Tomorrow!
We offer a comprehensive range of services including the sale and installation of heat pumps, ventilation systems, and regular maintenance.
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air to water heat pumps
-
air / water
-
cooling
-
maintenance of heat pumps
-
air water heat pumps
-
installation of air conditioning systems
-
heat pumps
-
ventilation
-
regular maintenance
-
installation
-
sale and installation of equipment
-
consulting
-
documentation
-
project management
-
heat pump maintenance
-
ventilation systems
-
ground source heat pumps
-
heat pump installation
-
custom heating solutions
-
energy-efficient heating
-
industrial heat pumps
-
cleanroom technology
-
data center cooling equipment
-
heat distribution solutions
-
geothermal collectors
-
solar heating systems
-
heat pump consulting services
-
regular maintenance
-
consultations
-
ground heat
- Credit score:
- Reliable
- Reputation score:
- 3,900
- Employees:
- 7
- Forecast turnover (2026):
- 577,991 €
Installation of sanitary equipment
balancing heating systems, heating solutions, Plumbing and fittings, Water Systems, Washing of heating systems, Construction, Construction, plumbing services, Water floor heating, Replacement of shutters
-
water systems
-
washing of heating systems
-
renovation and maintenance
-
sewerage
-
maintenance
-
sanitation
-
installation of water floor heating
-
construction and real estate
-
heating solutions
-
plumbing and fittings
-
general and home services
-
construction
-
construction
-
plumbing services
-
water floor heating
-
replacement of shutters
-
sewer construction
-
balancing the heating system
-
sanitary equipment installation
-
tube replacement
-
repair and cleaning
-
elimination of blockages
-
heating system construction
-
shift of trousers
-
installation
-
floor
-
renovation
-
sewer system
-
repair
-
heating system
- Credit score:
- Reliable
- Reputation score:
- 3,870
- Employees:
- 7
- Forecast turnover (2026):
- 891,742 €
Retail sale of motor vehicle parts
Car Stores, automotive spare parts, Maintenance and repair of motor vehicles, spare parts for american cars, spare parts, rolling stock, disk accessories, Accessories, rules, bushes
-
maintenance and repair of motor vehicles
-
rolling stock
-
cooling systems
-
boat engines
-
special accessories
-
oils of moticas
-
water-cooled engines
-
repair
-
maintenance
-
car stores
-
automotive spare parts
-
spare parts for american cars
-
spare parts
-
disk accessories
-
accessories
-
rules
-
bushes
-
fuels
-
car sports equipment
-
race springs
-
for central assembly
-
gearboxes
-
engine components
-
firearms
-
accessories
-
boats and boats
-
hooks and nets
-
cableway installations
-
repair supplies
-
navigation aids
- Credit score:
- Borderline
- Reputation score:
- 3,850
- Employees:
- 21
- Forecast turnover (2026):
- 2,098,110 €
Installation of sanitary equipment
water supply, heating solutions, Sewer systems, water mains, floor heating, water-measuring nodes, Plumbing, draining, wastewater disposal, heating elements
- Credit score:
- Reliable
- Reputation score:
- 3,710
- Employees:
- 13
- Forecast turnover (2026):
- 1,643,647 €
Building construction works
barrier systems, harvesting leaves, road construction, building and finishing materials, construction machinery and tools, energy and mineral resources, mineral resources and natural resources, mineral resources and raw materials, Soil Machines, plant cultivation
-
barrier systems
-
maintenance of public roads
-
cleaning of leaves
-
water and sewerage works
-
maintenance service
-
construction and real estate
-
construction and real estate services
-
building and finishing materials
-
construction machinery and tools
-
energy and mineral resources
-
mineral resources and natural resources
-
mineral resources and raw materials
-
soil machines
-
plant cultivation
-
road and bridge construction
-
road construction
-
lifting services
-
lifting work
-
construction
-
construction
-
passenger transport
-
gardening and landscaping works
-
demolition and earthworks
-
roofing and roofing
-
tiling and finishing works
-
daily maintenance work
-
lawn and hedge cutting
-
snow control and anti-slip
-
fragmentation and gravel
-
natural and crushed gravel
- Credit score:
- Risky
- Reputation score:
- 3,655
- Employees:
- 13
- Forecast turnover (2026):
- 1,123,190 €
Building Quality, Creating Homes!
We provide comprehensive construction and repair services, specializing in general contracting and pipework for private homes.
-
preventive care
-
water supply solutions
-
construction of walls and roof
-
installation of water and sewerage lines
-
installation of electrical systems
-
installation of sewerage systems
-
general construction and repair works
-
general building contractor
-
high quality construction services
-
specialists in residential pipework
-
reliable home repair contractors
-
durable construction solutions
-
expert in pipe work installation
-
home renovation services
-
professional building contractors
-
bespoke repair
-
general construction
-
custom home building
-
project management
-
housing development projects
-
home renovation
-
restoration works
-
emergency repair services
-
residential plumbing
-
heating system piping
-
plumbing system installation
-
establishment of foundations
-
construction of substructures
-
improving structures
-
updating finishes
- Credit score:
- Reliable
- Reputation score:
- 3,650
- Employees:
- 7
- Forecast turnover (2026):
- 576,337 €
Installation of air conditioning systems
homect, ventilation, air conditioner, cooling, cooling device, maintenance of cooling equipment, Climate, air conditioning, bag filter, repair of geothermal pump
-
maintenance of cooling equipment
-
air-water
-
climate control installations
-
repair of heating systems
-
air to water heat pumps
-
heating system maintenance
-
maintenance of climate systems
-
installation of air conditioning systems
-
construction and real estate
-
ventilation
-
air conditioner
-
cooling
-
cooling device
-
climate
-
air conditioning
-
bag filter
-
repair of geothermal pump
-
repair of heat pumps
-
vent
-
repair of ventilatory
-
ventilation construction
-
ventilation filters
-
ventilation maintenance
-
air water heat pump
-
air heat pump
-
cooling and air conditioning systems, heat pumps
-
climate control maintenance
-
air conditioning units
-
heating solutions
-
ground source heat pump installation
- Credit score:
- Reliable
- Reputation score:
- 3,510
- Employees:
- 4
- Forecast turnover (2026):
- 328,171 €
Wholesale of water and heating equipment
technical maintenance, Energy, energy and mineral resources, Construction and maintenance of energy systems, Commercial equipment and consumables, central heating systems, heating, heating solutions, Equipment and machinery, Construction
-
construction and maintenance of energy systems
-
heating
-
elements of heating systems
-
design of heating systems
-
technical maintenance
-
wholesale of water and heating equipment
-
construction and real estate
-
energy
-
energy and mineral resources
-
commercial equipment and consumables
-
central heating systems
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
audit of construction works
-
expert assessment of building design documentation
-
construction of gas installation
-
gas works
-
accumulation tanks
-
spare parts for steam boilers
-
steam equipment
-
boilers
-
energy equipment
-
gas boilers
-
calorifers
-
container boiler houses
-
ground source heat pumps
-
modular chimneys
-
measuring equipment
- Credit score:
- Reliable
- Reputation score:
- 3,490
- Employees:
- 10
- Forecast turnover (2026):
- 676,509 €
Roofing
measurement of gutters, rain gutter installation, Repair of gutters, roof safety products, Rainwater drainage, maintenance and cleaning of gutters, construction of stormwater drainage systems, measurement of gutters, acquisition of materials for gutters, installation of rain water gutters
-
rain gutter installation
-
maintenance and cleaning of gutters
-
construction of stormwater drainage systems
-
installation of rain water gutters
-
rainwater system
-
views systems
-
rainwater systems installation
-
installation of rain gutters
-
maintenance and cleaning of gutters
-
construction of stormwater drainage systems
-
construction and real estate
-
repair of gutters
-
roof safety products
-
rainwater drainage
-
measurement of gutters
-
acquisition of materials for gutters
-
design of drainage system
-
procurement of drainage pipes and filters
-
installation of drainage system
-
snow barriers
-
roof rails
-
safety clothing for use on the roof
-
rainwater gutters
-
roofing products
-
stormwater drainage construction
-
installation
-
color selection
-
security products
-
sales
-
maintenance