- 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
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construction of gas installation
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production and installation of asphalt
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design
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sanitation
-
installation
-
installation work
-
audit of construction works
-
expert assessment of building design documentation
-
construction research
-
making of traffic management projects
-
pressure equipment works
-
construction of roads and bridges
-
tea care
-
environmental construction
-
mining of mineral resources
-
traffic management
-
road project management
-
project management of bridges
-
building equipment rental
-
car wash service
-
building
-
construction
-
construction work
-
maintenance
-
repair work
-
repair
-
rebuilding
-
the warehouse
-
noise barrier walls
- Credit score:
- Reliable
- Reputation score:
- 31,520
- Employees:
- 142
- Forecast turnover (2026):
- 129,197,922 €
We create a complete living environment!
The construction company Nordecon AS, founded in 1989, has grown to become one of the largest construction groups in Estonia.
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design
-
maintenance of public roads
-
construction of facilities
-
a
-
installation
-
construction of buildings
-
construction of warehouses
-
building construction works
-
construction
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
geodesic services
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shadow production process
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maidla production
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investing services
-
engineering
-
heritage conservation
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fire safety
-
construction
-
expert assessment of building design documentation
-
construction research
-
inspection and maintenance
-
making of traffic management projects
-
rental workforce mediation
-
design, construction and maintenance of fire safety
-
terraces
-
repair
-
apartment buildings
-
contact information
- Credit score:
- Reliable
- Reputation score:
- 14,990
- Employees:
- 38
- Forecast turnover (2026):
- 18,909,608 €
Water supply and sewage works
We have built outdoor networks both within the boundaries of a private owner's property and on city streets and other public lands. We also offer external network design services.
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sanitation
-
installation
-
heating systems construction
-
water pipeline installation
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construction of external networks
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construction of sewer lines
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
energy and mineral resources
-
heating
-
heating solutions
-
mineral resources and natural resources
-
equipment and machinery
-
general and home services
-
construction
-
construction
-
sewer accessories
-
trackwork
-
logistics
-
internal networks
-
customers
-
solutions
-
buildings
-
apartment buildings
-
shopping centres
-
private houses
-
office buildings
-
objects
-
hotels
- Credit score:
- Reliable
- Reputation score:
- 11,650
- Employees:
- 17
- Forecast turnover (2026):
- 1,812,339 €
Sewerage
Motor vehicles, closing and opening of water connections, discharge of tanks, channel washing with pressure washer, sewage treatment plant, water pumping, groundwater treatment, groundwater, Mechanical buckets, excavators and paddock loaders and mining machinery, energy and mineral resources
- Credit score:
- Reliable
- Reputation score:
- 10,440
- Employees:
- 4
- Forecast turnover (2026):
- 29,458,760 €
Building Dreams, Designing Futures!
We specialize in the reconstruction of apartment buildings and the creation of luxurious penthouses.
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reconstruction of apartment buildings
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design
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development of roof floors
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sanitation
-
reconstruction of the building
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design of apartment buildings
-
management systems
-
reconstruction of apartment buildings
-
penthouses
-
development projects
-
product development
-
property development projects
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construction project management
-
building design services
-
building services estonia
-
real estate development estonia
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apartment building reconstruction
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penthouses design
-
product development in construction
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residential design and development
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community building renovation
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real estate project planning
-
real estate innovation
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urban development projects
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site construction
-
preliminary work
-
design and construction
-
final formulation
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design and construction work with wooden element
-
design and construction work with site construction
- Credit score:
- Reliable
- Reputation score:
- 8,860
- Employees:
- 29
- Forecast turnover (2026):
- 23,154,188 €
Building construction works
authentication, Construction, Construction, Solutions for apartment associations, Complex renovation service, Insulation and finishing of external borders, Kredex Supported Projects, Warehouse and production buildings, Private houses and terraced houses, pharmaceutical compositions for renovation
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renovation of water and sewerage
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renovation of ventilation systems
-
installation of decorative facades
-
views systems
-
sanitation
-
management systems
-
construction and real estate
-
construction
-
construction
-
solutions for apartment associations
-
complex renovation service
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insulation and finishing of external borders
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kredex supported projects
-
warehouse and production buildings
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private houses and terraced houses
-
pharmaceutical compositions for renovation
-
improving energy efficiency
-
energy-saving facades
-
insulation and plastering
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replacement of opening fillers (windows and doors)
-
reconstruction of heating system
-
insulation and finishing of the building's external borders
-
insulation/finishing of external borders
-
plastering of facades
-
insulation of facades
-
insulation of flat roofs
-
additional work on facades
-
apartment, housing associations
-
comprehensive renovation
-
energy-saving solutions
- 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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installation of heat pumps and air conditioners
-
water supply and sanitation works
-
systems design
-
water supply and sanitation works
-
design
-
sanitation
-
sewer works
-
installation of sanitary equipment
-
fire safety
-
construction
-
cooling and air conditioning systems, heat pumps
-
inspection and maintenance
-
design, construction and maintenance of fire safety
-
complete solutions of the outer shell of the building
-
outsourcing
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metal cladding
-
ventilation work
-
sprinkler and firefighting
-
heat pumps installation
-
installation
-
design and installation
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private houses
-
tallinn
-
maintenance
-
santechnical works
-
sprinkler
- Credit score:
- Reliable
- Reputation score:
- 8,050
- Employees:
- 62
- Forecast turnover (2026):
- 4,076,763 €
Rental of other machines
safety services, Traffic management, road and bridge construction, Road markings, traffic management services, Installation of road signs, Painting work of road surface, Traffic signs, Construction, Making of traffic management projects
-
making of traffic management projects
-
access systems
-
installation work
-
melting
-
coordination
-
rental of other machines
-
construction and real estate
-
traffic management
-
road and bridge construction
-
construction
-
building gardens
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electronic road signs
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gear bridges
-
traffic separation interface
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the bellows garden
-
massive railings
-
massive borders
-
other
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trailers and warning barriers
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label carriers
-
boundaries
-
impact relievers
-
entry
-
heating and heating equipment
-
driving bridges
-
road thresholds
-
barrier vehicle with impact relief (tma car)
-
blinkers
-
traffic scheme
-
traffic regulation and control car services
- Credit score:
- Reliable
- Reputation score:
- 6,700
- Employees:
- 34
- Forecast turnover (2026):
- 4,047,884 €
Building construction works
regular maintenance, air conditioning systems, Technical systems, Ventilation work, system planning, installation of the system, cooling systems, Tallinn, Tartu, cooling and air conditioning systems, heat pumps
-
heating
-
cooling and air conditioning systems, heat pumps
-
air conditioning systems
-
technical systems
-
installation of the system
-
cooling systems
-
construction and real estate
-
energy and mineral resources
-
commercial equipment and consumables
-
air conditioning units
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
ventilation work
-
system planning
-
regular maintenance
-
repair work
-
cooling
-
tartu
-
tallinn
-
building construction works
- 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
-
construction of gas installation
-
air water heat pumps
-
installation of air conditioning systems
-
boilers
-
energy and mineral resources
-
heating
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
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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air to water heat pumps
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accessories
-
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
-
heat pumps
-
training
-
consultation and advisory
-
collectors
- Credit score:
- Reliable
- Reputation score:
- 6,060
- Employees:
- 32
- Forecast turnover (2026):
- 3,728,872 €
Road construction
stump grinding, park maintenance services, road and bridge construction, Gravel, Forestry services, Support work for power lines, Roadworks, Mining construction work, forest harvesting services, Road construction work
-
maintenance of public roads
-
drying of forest land
-
construction of forest roads
-
drainage of forest and farmland
-
sale of gravel and sand
-
transport service
-
landscaping
-
design
-
logging
-
construction and real estate
-
trade and services
-
road and bridge construction
-
construction
-
construction
-
silviculture
-
earthworks services
-
other service
-
forest harvesting
-
logging rights purchase
-
forest maintenance
-
rehabilitation of agricultural areas
-
large-scale earthworks
-
construction and maintenance of pipes (tea tubes, drainage tubes, mounted bridges)
-
road construction
-
building demolition
-
cable ploughing
-
excavation
-
mowing work
-
dangerous tree felling
-
sales
- Credit score:
- Reliable
- Reputation score:
- 5,460
- Employees:
- 24
- Forecast turnover (2026):
- 4,719,819 €
Comprehensive solutions for technical systems
HEARUM offers energy-efficient and coordinated technical system solutions for buildings. We help bring together heating, ventilation, cooling, water supply and electrical systems.
- 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
-
replacement of roof cover
-
installation of roof systems
-
gutter systems
-
insulation of roof
-
installation work
-
construction and real estate
-
building construction firms
-
hydrotechnical works
-
roof bollards
-
roof construction
-
roof renovation
-
roof maintenance
-
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:
- 5,110
- Employees:
- 20
- Forecast turnover (2026):
- 3,323,631 €
Construction of electricity and communications networks
Energy, energy and mineral resources, heating, rental workforce mediation, Communications and computer networks, Construction of substations, construction of air and ground cable lines, stress work, installation of end and extension sleeves, switches
-
heating
-
installation of end and extension sleeves
-
construction of grounding and lightning protection systems
-
construction of lightning protection systems
-
grounding systems
-
installation of end and extension sleeves 52 kv
-
design
-
energy
-
energy and mineral resources
-
rental workforce mediation
-
communications and computer networks
-
construction of substations
-
construction of air and ground cable lines
-
stress work
-
switches
-
construction of industrial automation
-
control measurements of electrical installations
-
control measurements of installations
-
control measurements
-
construction and maintenance
-
voltage works 0,4 to 20 kv
-
installation of end and extension sleeves up to 52 kv
-
communication lines
-
outdoor lighting
-
industrial automation
-
electrical consultancy
-
search and remediation of breakdowns
-
electricity
-
installation work
-
building
- Credit score:
- Borderline
- Reputation score:
- 5,080
- Employees:
- 19
- Forecast turnover (2026):
- 3,571,643 €
Construction and Maintenance You Can Always Rely On
The main activities of our company are the repair and maintenance of technological equipment, the production of metal structures, and assembly services. We provide services in both industrial and energy solutions, being your reliable partner in the field of repair and construction.
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automated control systems
-
production of pressure tanks
-
rent of labour
-
production and installation of pressure tanks
-
installation of water pipelines and sewer networks
-
metal industry
-
technological lines
-
technological equipment
-
construction
-
device work
-
construction
-
machinework
-
pressure equipment works
-
welding work
-
metal structures
-
maintenance of technological equipment
-
repair services for industrial machinery
-
maintenance of refractory structures
-
repair readiness of critical equipment
-
making metal frames
-
welding work and locksmith assembly work
-
painting and finishing works
-
construction of communication and electrical networks
-
lifting services and assembly
-
project management services
-
design and development
-
production and painting
-
construction and assembly
-
manufacture of metal structures
- 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
-
sewerage
-
water supply
-
cooling system
-
sanitation
-
cooling systems
-
installation of radiant floor heating
-
installation of soil collector
-
maintenance of heat pumps
-
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
-
heat pump maintenance
-
thermia
-
air to air heat pump
-
heat pumps
-
air to water heat pump
-
installation
-
floor pouring
-
excavation work
-
question
-
ground source heat pumps
-
radiator heating
- 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
-
cooling systems
-
ventilation systems
-
installation of steel structures
-
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
-
technical maintenance services
-
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
-
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.
-
transport of waste
-
water supply and repair of sewers
-
cleaning and emptying of rainwater wells
-
transport of waste
-
water mains repair
-
cleaning and emptying of storm water wells
-
sewerage
-
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
-
pumping work
-
video surveys and pipeline searches
-
snow removal
-
watering services
-
waste management services
-
environmental cleaning solutions
-
sewer maintenance
-
fat-trapping cleaning
-
maintenance of sand trappers
-
plumbing video inspection
-
hydro cleaning services
-
rainwater pit services
-
waste management consulting
-
cleansing of grease traps
-
maintenance of sand traps
- Credit score:
- Neutral
- Reputation score:
- 4,610
- Employees:
- 27
- Forecast turnover (2026):
- 3,008,189 €
Installation of electrical equipment
Repair of electric motors, construction machinery and tools, expert assessments, electrical equipment, Energy, energy and mineral resources, heating, Laboratories, machinery and tools, Measuring equipment and work
-
heating
-
outdoor lighting
-
connection of equipment
-
installation of electrical networks
-
dispatches systems
-
repair of electric motors
-
installation of electrical equipment
-
construction and real estate
-
construction machinery and tools
-
expert assessments
-
electrical equipment
-
energy
-
energy and mineral resources
-
laboratories
-
machinery and tools
-
measuring equipment and work
-
state and society
-
communication
-
means of communication and supplies
-
research institutions
-
general and home services
-
device work
-
conformity assessment body
-
electrical works
-
automation
-
comprehensive technical solutions
-
electric laboratory
-
electrical tests
-
high-safety work
-
street lighting construction and maintenance
- Credit score:
- Reliable
- Reputation score:
- 4,590
- Employees:
- 18
- Forecast turnover (2026):
- 4,273,685 €
Roofing
transport and courier services, Construction, Construction, tinsel work, renovation, gutter systems, installation of insulation, installation of roof cover, facade finishing, insulation of facades