- 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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construction of roads and bridges
-
production and installation of asphalt
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sanitation
-
installation
-
design and construction
-
construction of roads and roads
-
maintenance of public roads
-
audit of construction works
-
expert assessment of building design documentation
-
construction research
-
construction of gas installation
-
making of traffic management projects
-
pressure equipment works
-
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
-
design
-
construction work
-
maintenance
-
repair work
-
repair
-
rebuilding
-
the warehouse
- 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.
-
construction and real estate
-
equipment and machinery
-
general and home services
-
sanitation
-
installation
-
heating systems construction
-
water pipeline installation
-
construction and real estate services
-
building construction firms
-
energy and mineral resources
-
heating
-
heating solutions
-
mineral resources and natural resources
-
construction
-
construction
-
sewer accessories
-
trackwork
-
logistics
-
internal networks
-
customers
-
solutions
-
buildings
-
apartment buildings
-
shopping centres
-
private houses
-
office buildings
-
objects
-
hotels
-
public buildings
-
high-quality construction
- 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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residential design and development
-
design and construction
-
design and construction work with wooden element
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sanitation
-
electrical works
-
management systems
-
reconstruction of apartment buildings
-
penthouses
-
design
-
development projects
-
product development
-
property development projects
-
construction project management
-
building design services
-
building services estonia
-
real estate development estonia
-
apartment building reconstruction
-
penthouses design
-
product development in construction
-
community building renovation
-
real estate project planning
-
real estate innovation
-
urban development projects
-
development of roof floors
-
site construction
-
preliminary work
-
final formulation
-
design and construction work with site construction
-
reconstruction by site construction
-
the complete solution
- 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
-
cooling and air conditioning systems, heat pumps
-
inspection and maintenance
-
water supply and sanitation works
-
systems design
-
water supply and sanitation works
-
sanitation
-
fire safety
-
construction
-
design, construction and maintenance of fire safety
-
complete solutions of the outer shell of the building
-
outsourcing
-
metal cladding
-
ventilation work
-
installation of heat pumps and air conditioners
-
sprinkler and firefighting
-
heat pumps installation
-
design
-
installation
-
design and installation
-
private houses
-
tallinn
-
maintenance
-
santechnical works
-
sewer works
-
sprinkler
-
installation of sanitary equipment
- 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:
- 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
-
painting and finishing works
-
construction of communication and electrical networks
-
installation of water pipelines and sewer networks
-
design and development
-
production and painting
-
metal industry
-
technological lines
-
technological equipment
-
construction
-
device work
-
construction
-
machinework
-
pressure equipment works
-
welding work
-
metal structures
-
production of pressure tanks
-
rent of labour
-
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
-
production and installation of pressure tanks
-
lifting services and assembly
-
project management services
-
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
-
installation
-
water supply
-
water floor heating
-
cooling system
-
sanitation
-
cooling systems
-
water tanks
-
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
-
the heat center
-
heat pump maintenance
-
thermia
-
air to air heat pump
-
heat pumps
-
air to water heat pump
-
floor pouring
-
excavation work
-
question
-
ground source heat pumps
-
radiator heating
- Credit score:
- Reliable
- Reputation score:
- 4,720
- Employees:
- 2
- Forecast turnover (2026):
- 171,449 €
Finishing of buildings
metal construction painting, bathroom and toilet tiling, installation of doors, furniture assembly, elimination of water damage, bathroom renovation, tiling and jointing, waterproofing, tiling work, foundation construction
-
elimination of water damage
-
tiling and jointing
-
electrical works and floor heating installation
-
electrical works
-
elimination of water damage
-
execution
-
metal construction painting
-
bathroom and toilet tiling
-
installation of doors
-
furniture assembly
-
bathroom renovation
-
waterproofing
-
tiling work
-
foundation construction
-
installation of sanitary ware
-
plumbing services
-
pouring and tiling of stairs
-
demolition of concrete floors
-
sealing of concrete surfaces and facades
-
sealing of glazing and cladding
-
painting, painting, putting up
-
interior decoration of private houses
-
interior finishing of apartments
-
100% overhaul
-
facade insulation and renovation
-
sauna construction and led strip installation
-
terrace building
-
installation and repair of gardens
-
gypsum works
-
framework and bulkhead construction
- Credit score:
- Reliable
- Reputation score:
- 4,420
- Employees:
- 9
- Forecast turnover (2026):
- 2,958,343 €
Nordic Comfort
Global brands, local service – your partner in growth
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construction and real estate
-
interior
-
water filtration systems
-
water heaters and boilers
-
heat pumps and hvac systems
-
midea electrical and gas water heaters
-
electrolux electrical and gas water heaters
-
building and finishing materials
-
sanitary ware shops
-
construction
-
construction
-
audit of construction works
-
wholesale
-
wholesale building materials
-
interior design products
-
electric towel warmers
-
construction project audit
-
sanitary ware retail
-
construction and real estate solutions
-
building and finishing materials supplier
-
nordic comfort products
-
led mirrors for interiors
-
kitchen faucets and sinks
-
distributor of products
-
aquaphor
-
thermex electric water heaters
-
laris electric towel rails
-
hand towel rails with varmiko water
-
kitchen and bathroom sinks and faucets
-
radiatori 2000
- Credit score:
- Reliable
- Reputation score:
- 4,280
- Employees:
- 7
- Forecast turnover (2026):
- 2,722,943 €
Retail sale of motor vehicle parts
diagnostic work, truck spare parts, coupling devices, additional equipment, lights, parts of the cooling system, power transmission, Programming, electrical works, welding work
-
rolling stock
-
electrical works
-
programming
-
parts of the motor
-
workshop
-
filters
-
engine parts
-
springs
-
brake parts
-
maintenance work
-
locksmithing
-
diagnostic work
-
welding work
-
power transmission
-
parts of the cooling system
-
lights
-
additional equipment
-
coupling devices
-
truck spare parts
-
retail sale of motor vehicle parts
- 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.
-
energy and mineral resources
-
equipment and machinery
-
central heating systems
-
installation
-
water and sewerage
-
construction and maintenance
-
heating
-
heating solutions
-
construction
-
construction
-
boiler houses
-
thermal equipment
-
boiler house construction
-
ground heating
-
heat node solution
-
sewer
-
water supply
-
diamond drilling
-
heat nodes
-
sewerage
-
eco-friendly ground heating
-
ground source heat pump installation
-
renewable heating
-
water pipeline installation
-
sewer construction and maintenance
-
environmentally friendly water solutions
-
industrial water services
-
thermal equipment installation
-
custom machine solutions
-
construction services
- 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.
-
installation
-
ventilation systems
-
air to water heat pumps
-
air / water
-
hybrid systems
-
heating system
-
air water heat pumps
-
heat pumps
-
ventilation
-
regular maintenance
-
sale and installation of equipment
-
consulting
-
documentation
-
project management
-
heat pump maintenance
-
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
-
industrial
- 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
-
water floor heating
-
installation
-
water and sewerage
-
pipework and heating systems
-
installation of water floor heating
-
construction and real estate
-
heating solutions
-
plumbing and fittings
-
general and home services
-
construction
-
construction
-
plumbing services
-
replacement of shutters
-
sewer construction
-
washing of heating systems
-
balancing the heating system
-
sanitary equipment installation
-
tube replacement
-
repair and cleaning
-
elimination of blockages
-
heating system construction
-
renovation and maintenance
-
shift of trousers
-
sewerage
-
floor
-
renovation
-
sewer system
-
repair
-
heating system
- 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:
- 3,790
- Employees:
- 5
- Forecast turnover (2026):
- 1,486,260 €
Building construction works
electrical works, electric nights, santechnical works, Construction, Construction, general construction work, Interior finishing works, facade work, roof construction, construction of chimneys
-
construction and real estate
-
electrical works
-
construction and installation of fences and fences
-
sewerage
-
water and sewerage
-
construction and remodeling
-
construction and real estate services
-
building construction firms
-
construction
-
construction
-
general construction work
-
interior finishing works
-
facade work
-
roof construction
-
construction of chimneys
-
flooring work
-
santechnical works
-
roof construction and renovation works
-
road and site construction work
-
ventilation work
-
construction and renovation of chimneys
-
garden houses
-
repair works
-
tallinn
-
roofing
-
renovation
-
question
-
concrete works
-
landscaping
-
harjumaa
- Credit score:
- Reliable
- Reputation score:
- 3,680
- Employees:
- 9
- Forecast turnover (2026):
- 1,233,947 €
Construction of sewer lines
sanitation, construction of pipe pipe, establishment of fire water storage facilities, construction of pumping stations, construction of jars, construction of sewerage system, construction firm, handling, sewer system construction, sanitation services
-
sewer works
-
water supply
-
sewer systems
-
installation of water and waste water tanks
-
oil and fat trappers
-
sanitation
-
installation
-
building and renovation
-
construction
-
construction
-
construction of public water supply
-
pipes
-
seated fields
-
reservoirs
-
pumps
-
in-plot water supply
-
construction of drainage pipelines
-
rainwater pipeline
-
establishment of seepage fields
-
construction of pipe pipe
-
establishment of fire water storage facilities
-
construction of pumping stations
-
construction of jars
-
construction of sewerage system
-
construction firm
-
handling
-
renovation
-
sanitation services
-
sewer system construction
-
construction of storm water pipeline
- 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.
-
water supply solutions
-
design and planning
-
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
-
preventive care
-
home renovation
-
restoration works
-
emergency repair services
-
residential plumbing
-
heating system piping
-
plumbing system installation
-
establishment of foundations
-
construction of walls and roof
-
construction of substructures
-
improving structures
- 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
-
construction and real estate
-
air water heat pump
-
air-water
-
cooling and air conditioning systems, heat pumps
-
air to water heat pumps
-
installation
-
building notice and project
-
installation
-
ventilation
-
air conditioner
-
cooling
-
cooling device
-
maintenance of cooling equipment
-
climate
-
air conditioning
-
bag filter
-
repair of geothermal pump
-
repair of heat pumps
-
vent
-
repair of ventilatory
-
ventilation construction
-
ventilation filters
-
ventilation maintenance
-
air heat pump
-
climate control maintenance
-
climate control installations
-
air conditioning units
-
heating solutions
-
repair of heating systems
-
ground source heat pump installation
- Credit score:
- Reliable
- Reputation score:
- 3,520
- Employees:
- 9
- Forecast turnover (2026):
- 1,121,501 €
Raising the Roof with Quality and Care
We specialize in all aspects of roofing work, from planning to final finishing. We offer personalized services, fair prices, and timely execution of work.
-
water work
-
roof safety and safety equipment
-
gutter systems
-
roof
-
roofs
-
building and renovation
-
sales and installation
-
construction
-
construction
-
stainwork
-
cancer
-
listrofiles
-
window stains
-
renovation
-
installation of roof windows
-
installation of window stains
-
installation of wall stains
-
installation of interlaced profiles
-
construction of facades
-
roof construction
-
waltz sheet roof construction
-
profile sheet roofs
-
eternite roofs
-
stone roofs
-
roof construction
-
eternite roofs
-
residential construction
-
roof renovation
-
facade construction
-
stone roofing
- Credit score:
- Reliable
- Reputation score:
- 3,500
- Employees:
- 14
- Forecast turnover (2026):
- 1,279,636 €
Construction of wells
wells, Construction, Construction, hydrogeological works, drilling wells, ground heating wells, cleaning wells, water and sanitation solutions, registration and liquidation of wells, water and sewerage works
-
construction and real estate
-
water and sanitation solutions
-
water and sewerage works
-
drafting
-
analysis of water samples
-
water systems installation
-
construction
-
construction
-
hydrogeological works
-
drilling wells
-
ground heating wells
-
cleaning wells
-
registration and liquidation of wells
-
formalisation of documentation
-
drilling
-
design
-
measurements of performance
-
sewer line installation
-
installation of cleaners and containers
-
establishment of infiltration pitches
-
sewerage
-
drilling wells
-
installation
-
ground heating
-
drilling well
-
depth
-
sanitation
-
construction of wells
-
frequently asked questions
-
documentation