- Credit score:
- Reliable
- Reputation score:
- 43,600
- Employees:
- 256
- Forecast turnover (2026):
- 102,512,604 €
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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audit of construction works
-
building
-
construction
-
construction work
-
repair work
-
repair
-
sanitation
-
renovation
-
sewer system
-
rebuilding work
-
maintenance of public roads
-
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
-
traffic management
-
road project management
-
project management of bridges
-
production and installation of asphalt
-
building equipment rental
-
car wash service
-
design
-
maintenance
-
rebuilding
-
the warehouse
- Credit score:
- Reliable
- Reputation score:
- 15,380
- Employees:
- 38
- Forecast turnover (2026):
- 17,468,702 €
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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heating
-
sewer accessories
-
sanitation
-
heating systems construction
-
sewer construction
-
construction of external networks
-
construction of sewer lines
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
energy and mineral resources
-
heating solutions
-
mineral resources and natural resources
-
equipment and machinery
-
general and home services
-
construction
-
construction
-
trackwork
-
logistics
-
internal networks
-
customers
-
installation
-
solutions
-
buildings
-
apartment buildings
-
shopping centres
-
private houses
-
office buildings
-
objects
-
hotels
- Credit score:
- Reliable
- Reputation score:
- 10,720
- Employees:
- 30
- Forecast turnover (2026):
- 21,809,327 €
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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construction
-
construction
-
reconstruction of heating system
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facade work
-
construction work
-
views systems
-
renovation work
-
facades
-
the facade
-
facade
-
sanitation
-
building construction works
-
construction and real estate
-
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
-
improving energy efficiency
-
energy-saving facades
-
insulation and plastering
-
replacement of opening fillers (windows and doors)
-
renovation of water and sewerage
-
renovation of ventilation systems
-
insulation and finishing of the building's external borders
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insulation/finishing of external borders
-
plastering of facades
-
insulation of facades
- Credit score:
- Reliable
- Reputation score:
- 4,980
- Employees:
- 7
- Forecast turnover (2026):
- 3,284,923 €
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
-
balancing the heating system
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sewerage
-
excavation work
-
heating system installation
-
industrial
-
cooling system
-
sanitation
-
cooling systems
-
balancing the heating system
-
ventilation
-
bosch climate engineering
-
city climate
-
heating solution
-
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
-
question
-
ground source heat pumps
-
radiator heating
-
cooling
- Credit score:
- Borderline
- Reputation score:
- 3,760
- Employees:
- 19
- Forecast turnover (2026):
- 1,724,776 €
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:
- 6
- Forecast turnover (2026):
- 619,548 €
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
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water systems
-
sewer construction
-
heating system construction
-
sewer system
-
heating system
-
preparatory work
-
external sewerage construction
-
construction and real estate
-
heating solutions
-
plumbing and fittings
-
general and home services
-
construction
-
construction
-
plumbing services
-
water floor heating
-
replacement of shutters
-
washing of heating systems
-
balancing the heating system
-
sanitary equipment installation
-
tube replacement
-
repair and cleaning
-
elimination of blockages
-
renovation and maintenance
-
shift of trousers
-
sewerage
-
installation
-
floor
-
renovation
-
repair
-
heating systems construction
- Credit score:
- Reliable
- Reputation score:
- 3,540
- Employees:
- 6
- Forecast turnover (2026):
- 1,361,410 €
Building construction works
maintenance and repair of commercial buildings, heating systems construction, construction of sewers, wash of inner terraces, wash and care of oil -fat and sand traps, mechanized snow harvesting and transport, maintenance of the sites, sewage system installation, commercial property upkeep, commercial building maintenance
-
construction of sewers
-
sewage system installation
-
sewer construction services
-
building construction works
-
construction of a sewer
-
construction of sewage systems
-
building construction works
-
maintenance and repair of commercial buildings
-
heating systems construction
-
wash of inner terraces
-
wash and care of oil -fat and sand traps
-
mechanized snow harvesting and transport
-
maintenance of the sites
-
commercial property upkeep
-
commercial building maintenance
-
mechanized snow removal
-
commercial building repair services
-
inner terrace washing
-
oil trap cleaning service
-
fat trap maintenance
-
sand trap care services
-
professional snow transport
-
site maintenance services
-
building heating solutions
-
wash and care of oil-fat traps
-
laundry and maintenance of sand traps
-
maintenance of sites
-
repair of buildings
-
washing the terraces
-
washing the inner terraces
- Credit score:
- Reliable
- Reputation score:
- 3,520
- Employees:
- 7
- Forecast turnover (2026):
- 572,901 €
Terviklikud ehituslahendused sinu jaoks!
Meie firma pakub kõiki ehituslahendusi, alates fassaaditöödest kuni terrassi ehitamiseni. Meie eesmärk on pakkuda parimat teenust ja kvaliteetseid tulemusi, mis kestavad pikka aega.
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chimney work
-
facade work
-
sewerage
-
construction of rainwater systems
-
facade work
-
views systems
-
construction and real estate
-
construction
-
construction
-
rental workforce mediation
-
custom home construction
-
wooden outbuildings
-
production buildings
-
industrial
-
general construction
-
roofing
-
indoor building work
-
terrace building
-
stone furniture
-
plastering
-
painting
-
glassing
-
interior finishing
-
construction of structures
-
water supply
-
roof stain
-
roof windows
-
roof frames
-
wallpaper
-
floors
- Credit score:
- Reliable
- Reputation score:
- 3,440
- Employees:
- 12
- Forecast turnover (2026):
- 1,179,235 €
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.
-
heating
-
construction
-
construction
-
central heating systems
-
sewer
-
sewerage
-
sewer construction and maintenance
-
construction services
-
sanitation
-
sewer construction
-
energy and mineral resources
-
heating solutions
-
equipment and machinery
-
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
-
water pipeline installation
-
environmentally friendly water solutions
-
industrial water services
-
thermal equipment installation
-
custom machine solutions
-
construction of boiler house
- Credit score:
- Borderline
- Reputation score:
- 3,390
- Employees:
- 7
- Forecast turnover (2026):
- 659,358 €
Excavation and soil work
snow plow, excavator cat 323, bucket loader cat 444, compact wheel loader cat 906m, mini excavator cat 302 pro hydraulic, heavy machinery, excavation and earthworks, the excavation, machine park, Mini Excavator
-
soil work
-
external sewerage construction
-
construction of coatings
-
electrical system maintenance
-
sewer maintenance
-
heavy machinery
-
excavation work
-
heavy machinery rental
-
infrastructure construction
-
infrastructure maintenance
-
road maintenance
-
maintenance of the building
-
water and sewerage
-
discharge of storm water
-
gas track works
-
excavator cat 323
-
bucket loader cat 444
-
compact wheel loader cat 906m
-
mini excavator cat 302 pro hydraulic
-
excavation and earthworks
-
the excavation
-
snow plow
-
a
-
width
-
excavator
-
mini excavator
-
machine park
-
bulldozer
-
excavation and soil work
- Credit score:
- Reliable
- Reputation score:
- 3,220
- Employees:
- 4
- Forecast turnover (2026):
- 241,328 €
Installation of air conditioning systems
post-installation maintenance, heating system installation, Construction, fire safety, Construction, Inspection and maintenance, Design, construction and maintenance of fire safety, heating solutions, drainage pipelines construction, cooling systems installation
-
construction
-
construction
-
water and sewage system construction
-
system construction
-
installation
-
sanitation
-
construction work
-
sewerage
-
installation work
-
pressure sewerage system
-
construction and real estate
-
general and home services
-
fire safety
-
inspection and maintenance
-
design, construction and maintenance of fire safety
-
heating solutions
-
construction and real estate services
-
cooling systems installation
-
drainage pipelines construction
-
heating system installation
-
sprinkler system installation
-
general home services
-
fire safety design and maintenance
-
firefighting water systems
-
sanitary engineering and installation
-
septic tanks and biopurifiers installation
-
modernization of old boiler rooms
-
heating system maintenance and repair
-
general and home services
-
inspection and maintenance
- Credit score:
- Neutral
- Reputation score:
- 3,150
- Employees:
- 5
- Forecast turnover (2026):
- 192,012 €
Installation of sanitary equipment
heating, heating solutions, Equipment and machinery, cooling and air conditioning systems, heat pumps, Biodom Pellet Boilers, Boilers, Construction of sewerage systems, Elimination of sewerage blockages, Repair of heating systems, radiant floor heating systems
-
heating
-
construction of sewerage systems
-
elimination of sewerage blockages
-
construction and renovation of water and sewerage systems
-
construction of thermal assemblies
-
sanitary technical works
-
installation of sewerage systems
-
heating solutions
-
equipment and machinery
-
cooling and air conditioning systems, heat pumps
-
biodom pellet boilers
-
boilers
-
repair of heating systems
-
radiant floor heating systems
-
installation of sanitary equipment
-
beril
-
installation of radiant floor heating
-
installation of sanitary equipment
-
maintenance and emergency services
-
sale and installation of ion boilers, solid heating boilers and electromagnetic boilers
-
ion boilers galan
-
ferrol heaters
-
solid heating boilers econotherm
-
heat pumps clitech
-
biodom pellets
-
kamen boilers
-
technical maintenance
-
ion boilers
-
heating equipment
-
heat pumps
- Credit score:
- Reliable
- Reputation score:
- 3,090
- Employees:
- 8
- Forecast turnover (2026):
- 737,974 €
Installation of electrical equipment
commercial premises renovation, heating solutions, Ventilation and cooling, Water supply and sewerage, Design of heating systems, energy calculation, pipe wash, electrical works, renovation, SPECIAL WORKS
-
construction and real estate
-
cooling systems
-
maintenance
-
sewer systems
-
sewerage
-
ventilation work
-
electrical systems
-
maintenance work
-
ventilation systems
-
heating solutions
-
ventilation and cooling
-
water supply and sewerage
-
design of heating systems
-
energy calculation
-
pipe wash
-
electrical works
-
renovation
-
special works
-
rebuilding
-
modernhome
-
solutions
-
sanitation
-
cooling
-
sweden
-
electricity
-
water supply
-
project manager
-
smart house solutions
-
heating solution
-
ventilation solutions
- Credit score:
- Reliable
- Reputation score:
- 3,070
- Employees:
- 3
- Forecast turnover (2026):
- 214,309 €
Engineering-technical design
Buildings technical systems engineering and consulting.
-
technical system design
-
cooling system engineering
-
design
-
water and sewerage systems
-
system audits
-
water and sewer systems
-
water and sanitation systems
-
engineering design offices
-
design companies
-
design of building technical systems
-
consulting
-
heating, ventilation, cooling
-
consumer water, sewage
-
preparation of energy performance certificate
-
ventilation system consulting
-
heating project planning
-
energy efficiency consulting
-
engineering consulting services
-
building system design companies
-
hvac design consulting
-
plumbing and sewage design services
-
energy performance certificate preparation
-
building technical systems consulting
-
water supply system design
-
wastewater system consulting
-
technical consulting firms
-
technical systems
-
ventilation and cooling systems
-
strong and weak flow automation systems
-
heat supply
- Credit score:
- Borderline
- Reputation score:
- 3,040
- Employees:
- 4
- Forecast turnover (2026):
- 266,125 €
Other special construction work
heat pumps, ground source heat pumps, air water heat pumps, installation and maintenance of water and sewerage systems, heating system construction, repair & maintenance, chemical wash-out of heating and household water, installation of heat pumps, pressurization of water and heating systems, installation & maintenance of sanitary equipment, installation & maintenance of water meters
-
heating system construction, repair & maintenance
-
insulation work for utility systems
-
construction, repair and maintenance of heating systems
-
construction and repair
-
sewer systems
-
other special construction work
-
heat pumps
-
ground source heat pumps
-
air water heat pumps
-
installation and maintenance of water and sewerage systems
-
chemical wash-out of heating and household water
-
installation of heat pumps
-
pressurization of water and heating systems
-
installation & maintenance of sanitary equipment
-
installation & maintenance of water meters
-
installation of water and sewerage lines
-
installation of septic tanks, tanks & bio-cleaners
-
floor heating and radiator heating design, installation & maintenance
-
washing of heating systems
-
installation & maintenance of heat meters
-
installation & maintenance of heat pumps
-
heating systems
-
geothermal pumps
-
air-water heat pumps
-
installation and maintenance of water and sewerage systems
-
chemical rinsing of heating and household water
-
chemo-free cleaning
-
pressurization
-
sanitary equipment
-
water systems
- Credit score:
- Reliable
- Reputation score:
- 3,040
- Employees:
- 4
- Forecast turnover (2026):
- 745,633 €
Construction of sewer lines
plumbing installation, water infrastructure installation, plumbing maintenance services, custom plumbing solutions, advanced pipework systems, installation of heating system, installation of sewage systems, system maintenance, installation of equipment, repair of leaks
-
duct system installations
-
heating system installation
-
plumbing system design
-
installation of heating system
-
installation of sewage systems
-
system maintenance
-
construction of sewer lines
-
plumbing installation
-
santehnical works
-
full solutions for water and duct systems
-
pipework
-
pipeline installation services
-
industrial pipework services
-
residential plumbing services
-
professional santehnical works
-
water system full solutions
-
pipework specialists
-
commercial plumbing solutions
-
water infrastructure installation
-
plumbing maintenance services
-
custom plumbing solutions
-
advanced pipework systems
-
plumbing installation
-
sanitary works
-
full solutions for water and air systems
-
repair of leaks
-
installation of equipment
-
emergency services
- Credit score:
- Reliable
- Reputation score:
- 3,030
- Employees:
- 9
- Forecast turnover (2026):
- 1,302,687 €
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
-
sewer systems
-
construction of sewerage system
-
sanitation
-
sewer system construction
-
construction of sewer lines
-
construction
-
construction
-
construction of public water supply
-
water supply
-
pipes
-
seated fields
-
reservoirs
-
pumps
-
in-plot water supply
-
installation of water and waste water tanks
-
oil and fat trappers
-
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 firm
-
handling
-
installation
-
renovation
-
building and renovation
-
sanitation services
- Credit score:
- Reliable
- Reputation score:
- 3,010
- Employees:
- 9
- Forecast turnover (2026):
- 1,212,380 €
Pipeline and heating installation
septic systems installation, energy and mineral resources, central heating systems, heating, heating solutions, Equipment and machinery, Construction, Construction, climate control installations, Repair of heating systems
-
construction and real estate
-
central heating systems
-
construction
-
construction
-
heating system
-
sewerage
-
energy and mineral resources
-
heating
-
heating solutions
-
equipment and machinery
-
climate control installations
-
repair of heating systems
-
ground source heat pumps
-
underfloor heating
-
radiant floor heating systems
-
radiator heating
-
tubes
-
air to water heat pumps
-
maintenance
-
radiant floor heating
-
heating solution
-
economical
-
installation
-
repair
-
tartu
-
heat pumps
-
tallinn
-
heat pump
-
water and sewerage
-
heating systems maintenance
- Credit score:
- Borderline
- Reputation score:
- 3,000
- Employees:
- 12
- Forecast turnover (2026):
- 571,700 €
Enhancing Environments, Empowering Sustainability!
We specialize in delivering comprehensive climate control systems for industrial and residential use.
-
sewer
-
sewer maintenance
-
sewer system services
-
sewer systems
-
maintenance work for industrial equipment
-
heating solutions
-
climate
-
cooling systems
-
water
-
ventilation
-
bioenergy
-
finnish
-
industrial energy
-
cooling systems installation
-
ventilation solutions
-
climate control systems
-
water purification systems
-
hvac services
-
energy-efficient heating
-
commercial cooling systems
-
water management solutions
-
bioenergy technology
-
finnish heating technology
-
industrial energy solutions
-
heating systems
-
climate control systems
-
water systems
-
comprehensive solutions
-
water treatment
-
detection of leaks
- Credit score:
- Reliable
- Reputation score:
- 2,980
- Employees:
- 1
- Forecast turnover (2026):
- 663,410 €
Building construction works
maintenance service, Waltz sheet roofs, building and finishing materials, Stain roofs, Construction, Heritage conservation, Construction, general contractor for construction, Roofing works, Roof construction
-
indoor building work
-
rebuilding
-
facade renovation
-
sewerage
-
work done
-
renovation work
-
the facade
-
heating system
-
facade work
-
masonry services
-
construction and real estate
-
construction and real estate services
-
building and finishing materials
-
building construction firms
-
construction
-
heritage conservation
-
construction
-
general contractor for construction
-
roofing works
-
roof construction
-
stainwork
-
stain roofs
-
waltz sheet roofs
-
roofing and cladding
-
construction of roofs
-
construction supervision and consultation
-
design
-
roof maintenance service
-
new construction
-
renovation