- Credit score:
- Reliable
- Reputation score:
- 43,400
- Employees:
- 248
- Forecast turnover (2025):
- 72,156,846 €
Durable, economical and smart solutions!
TREV-2 Group is a company focused on the construction and maintenance of infrastructure objects and facilities.
-
maintenance of public roads
-
audit of construction works
-
pressure equipment works
-
maintenance
-
sanitation
-
maintenance
-
sewer system
-
expert assessment of building design documentation
-
construction research
-
construction of gas installation
-
making of traffic management projects
-
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
-
building
-
construction
-
design
-
construction work
-
repair work
-
repair
-
rebuilding
-
the warehouse
-
noise barrier walls
- Credit score:
- Reliable
- Reputation score:
- 13,360
- Employees:
- 79
- Forecast turnover (2025):
- 19,073,810 €
Construction of sewer lines in Tallinn
Construction, Maintenance of public roads, Construction, Expert assessment of building design documentation, Construction research, pipework construction, road construction, Owner supervision, pressure washing and transport, water service in saue rural municipality
-
maintenance of public roads
-
sewer pipes
-
owner supervision of road management works
-
elimination of sewerage blockages
-
construction of sewer lines
-
construction
-
construction
-
expert assessment of building design documentation
-
construction research
-
pipework construction
-
road construction
-
owner supervision
-
pressure washing and transport
-
water service in saue rural municipality
-
rinsing and disinfection of drinking water piping
-
water pipelines
-
rainwater pipelines
-
joining points
-
geodetic measurements
-
coordination of the project
-
application for building permits
-
construction and repair of internal water and sewerage pipelines
-
construction of connection points
-
construction of mains pipelines and renovation eggs
-
detection and elimination of leaks
-
emergency work of water and sewerage pipelines
-
road construction (base construction, stonework, asphalting) and renovation
-
establishment of sites and car parks
-
road cover restoration work
-
completion of asphalt work in summer and winter with preparation
- Credit score:
- Reliable
- Reputation score:
- 9,100
- Employees:
- 46
- Forecast turnover (2025):
- 3,376,359 €
Installation of sanitary equipment in Tallinn
sanitation, heat pumps installation, water supply and sanitation works, Design, Installation, Design and installation, private houses, santechnical works, sprinkler, sewer works
-
inspection and maintenance
-
design, construction and maintenance of fire safety
-
sanitation
-
maintenance
-
santechnical works
-
sewer works
-
fire safety
-
construction
-
cooling and air conditioning systems, heat pumps
-
complete solutions of the outer shell of the building
-
outsourcing
-
metal cladding
-
ventilation work
-
installation of heat pumps and air conditioners
-
sprinkler and firefighting
-
water supply and sanitation works
-
systems design
-
heat pumps installation
-
water supply and sanitation works
-
design
-
installation
-
design and installation
-
private houses
-
tallinn
-
sprinkler
-
installation of sanitary equipment
- Credit score:
- Reliable
- Reputation score:
- 4,950
- Employees:
- 6
- Forecast turnover (2025):
- 3,569,741 €
Pipeline and heating installation in Tallinn
ventilation, bosch climate engineering, City Climate, heating solution, balancing the heating system, ground heat, ground source heat pump, Smart Management, solar heating, underfloor heating
-
heat pump maintenance
-
heat pumps
-
sewerage
-
heat pumps
-
sanitation
-
maintenance
-
installation of radiant floor heating
-
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
-
air to air heat pump
-
air to water heat pump
-
installation
-
floor pouring
-
excavation work
-
question
-
ground source heat pumps
-
radiator heating
- Credit score:
- Reliable
- Reputation score:
- 4,310
- Employees:
- 14
- Forecast turnover (2025):
- 2,295,043 €
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.
-
sewer maintenance
-
maintenance of sand trappers
-
maintenance of sand traps
-
sewer maintenance
-
maintenance of sand traps
-
sewerage
-
transport of waste
-
waste management
-
general and home services
-
elimination of sewerage blockages
-
fat trappers
-
water supply and repair of sewers
-
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
-
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:
- 3,890
- Employees:
- 7
- Forecast turnover (2025):
- 944,535 €
Installation of sanitary equipment in Saarde vald
balancing heating systems, heating solutions, Plumbing and fittings, Water Systems, Washing of heating systems, Construction, Construction, plumbing services, Water floor heating, Replacement of shutters
-
sewer construction
-
renovation and maintenance
-
shift of trousers
-
sewerage
-
sewer system
-
maintenance
-
sanitation
-
construction and real estate
-
heating solutions
-
plumbing and fittings
-
water systems
-
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
-
heating system construction
-
installation
-
floor
-
renovation
-
repair
-
heating system
-
heating systems construction
- Credit score:
- Reliable
- Reputation score:
- 3,870
- Employees:
- 15
- Forecast turnover (2025):
- 3,074,296 €
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.
-
construction
-
construction
-
pressure equipment works
-
maintenance of technological equipment
-
maintenance of refractory structures
-
painting and finishing works
-
installation of water pipelines and sewer networks
-
automated control systems
-
metal industry
-
technological lines
-
technological equipment
-
device work
-
machinework
-
welding work
-
metal structures
-
production of pressure tanks
-
rent of labour
-
repair services for industrial machinery
-
repair readiness of critical equipment
-
making metal frames
-
welding work and locksmith assembly work
-
production and installation of pressure tanks
-
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:
- Borderline
- Reputation score:
- 3,770
- Employees:
- 20
- Forecast turnover (2025):
- 2,105,114 €
Installation of sanitary equipment in Tartu
water supply, heating solutions, Sewer systems, water mains, floor heating, water-measuring nodes, Plumbing, draining, wastewater disposal, heating elements
- Credit score:
- Reliable
- Reputation score:
- 3,630
- Employees:
- 6
- Forecast turnover (2025):
- 1,876,225 €
Building construction works in Tallinn
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
-
maintenance of the sites
-
sewage system installation
-
sewer construction services
-
maintenance of sites
-
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
-
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
-
repair of buildings
-
washing the terraces
-
washing the inner terraces
- Credit score:
- Reliable
- Reputation score:
- 3,440
- Employees:
- 12
- Forecast turnover (2025):
- 1,236,261 €
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.
-
sewer
-
sewerage
-
sewer construction and maintenance
-
maintenance
-
sanitation
-
construction and maintenance
-
sewer construction
-
energy and mineral resources
-
heating
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
boiler houses
-
central heating systems
-
thermal equipment
-
boiler house construction
-
ground heating
-
heat node solution
-
water supply
-
diamond drilling
-
heat nodes
-
eco-friendly ground heating
-
installation of ground heating
-
renewable heating
-
water pipeline installation
-
environmentally friendly water solutions
-
industrial water services
-
thermal equipment installation
-
custom machine solutions
- Credit score:
- Risky
- Reputation score:
- 3,440
- Employees:
- 19
- Forecast turnover (2025):
- 1,199,380 €
Installation of air conditioning systems in Kohtla-Järve
repair of metal fences or gates, Gas equipment, ventilation equipment, installation of pipes, sewer system construction, installation of electrical cables, welding of structures, construction of the sewer system, installation of pipelines, installation of air conditioning systems
-
gas works
-
pressure equipment works
-
equipment maintenance
-
climate control maintenance
-
sewer system construction
-
construction of the sewer system
-
construction
-
construction of roads
-
installation of industrial machinery
-
repair of metal products,
-
construction of trails
-
repair of metal products
-
climate control installations
-
heating installation
-
technical solutions
-
heating equipment
-
gas equipment
-
installation of pipes
-
installation of electrical cables
-
welding of structures
-
repair of metal fences or gates
-
repair of metal parts of equipment
-
construction of routes
-
installation of air conditioning systems
-
installation of pipelines
-
repair of metal gardens or gates
-
installation of air conditioning systems
- Credit score:
- Reliable
- Reputation score:
- 3,280
- Employees:
- 4
- Forecast turnover (2025):
- 1,497,482 €
Construction of sewer lines in Haljala vald
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
-
santehnical works
-
professional santehnical works
-
plumbing maintenance services
-
sanitary works
-
system maintenance
-
construction of sewer lines
-
plumbing installation
-
full solutions for water and duct systems
-
pipework
-
duct system installations
-
heating system installation
-
plumbing installation services
-
industrial pipework services
-
residential plumbing services
-
water system full solutions
-
pipework specialists
-
commercial plumbing solutions
-
plumbing system design
-
water infrastructure installation
-
custom plumbing solutions
-
advanced pipework systems
-
installation of heating system
-
installation of sewage systems
-
plumbing installation
-
full solutions for water and air systems
-
repair of leaks
-
installation of equipment
-
emergency services
- Credit score:
- Neutral
- Reputation score:
- 3,220
- Employees:
- 3
- Forecast turnover (2025):
- 1,439,535 €
Building Foundations, Sustaining Futures
We specialize in the establishment of sewerage systems, waterway construction, and the creation of durable stone and rubble foundations, ensuring quality and precision in every project.
-
stone-building works
-
sewage system installation
-
construction and maintenance of waterways
-
installation of the sewer system
-
stone construction works
-
construction of sewer lines
-
construction and real estate
-
construction and real estate services
-
building construction firms
-
establishment of sewerage system
-
precipitation and sewage
-
waterway construction
-
foundation construction
-
construction of stone sites
-
construction of a rubble base
-
fragmentation bases
-
external race work
-
construction of rain trails
-
construction of drainage lanes
-
the building of grounds
-
sewage sewerage system
-
construction of rubble base
-
fragmentation solutions
-
exterior construction works
-
management of storm water and waste water
-
construction of rain road
-
draining races
-
waterways
-
rainwater trails
-
drainage system
- Credit score:
- Reliable
- Reputation score:
- 3,200
- Employees:
- 4
- Forecast turnover (2025):
- 288,468 €
Installation of air conditioning systems in Tallinn
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
-
design, construction and maintenance of fire safety
-
construction of boiler
-
modernisation of the system
-
construction of sewerage lines
-
sanitation
-
santechnical works
-
sewerage
-
construction and real estate
-
general and home services
-
construction
-
fire safety
-
construction
-
inspection and maintenance
-
heating solutions
-
construction and real estate services
-
cooling systems installation
-
drainage pipelines construction
-
heating system installation
-
water and sewage system construction
-
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
-
fire safety design, construction and maintenance
- Credit score:
- Reliable
- Reputation score:
- 3,170
- Employees:
- –
- Forecast turnover (2025):
- 107,928 €
Flowing with Quality, Sealed with Trust
We specialize in a comprehensive array of plumbing services, from urgent repairs to routine maintenance, ensuring efficient water systems and heating for homes and businesses.
-
elimination of sewerage blockages
-
installation of sewage pipes
-
repair of sewage pipes
-
sewer pipes
-
cleaning and maintenance of the boiler
-
sewer pipe repair
-
repair work
-
repair works
-
maintenance
-
sanitation
-
radiator installation
-
radiators replacement
-
installation and exchange of water meters
-
boiler cleaning
-
boiler replacement
-
boiler installation
-
installation of water filters
-
exchange of water filters
-
installation of sink
-
sink installation
-
replacement of mixers and sinks
-
installation of faucets
-
exchange of faucets and taps
-
santechnical works
-
water meter change
-
sealing of water meter
-
installation of toilet
-
radiator washout
-
plumbers
-
shower installation
- Credit score:
- Borderline
- Reputation score:
- 3,130
- Employees:
- 8
- Forecast turnover (2025):
- 1,407,499 €
A&O HOLDING AVALEHT | A&O Holding
Construction, Construction, heating solutions, administrative service, data security, Maintenance service, emergency repair, sanitary technical works, bucket and excavation work, cleaning service
-
maintenance service
-
repair service
-
elimination of sewerage blockages
-
performance of electrical works
-
sewer installation work
-
repair work
-
repair works
-
construction
-
construction
-
heating solutions
-
administrative service
-
data security
-
emergency repair
-
sanitary technical works
-
bucket and excavation work
-
cleaning service
-
security service
-
energy management
-
accounting
-
technosystem emergency repairs
-
milling work for in-house ducts
-
detection of leaks in various pipelines
-
elimination of blockages
-
milling works for ducts
-
detection of pipe leaks
-
radiators
-
air to water heat pumps
-
septics and tanks
-
consulting service
-
fast and high-quality installation
- Credit score:
- Reliable
- Reputation score:
- 3,090
- Employees:
- 4
- Forecast turnover (2025):
- 180,348 €
Installation of sanitary equipment in Tallinn
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, underfloor heating systems
-
construction of sewerage systems
-
elimination of sewerage blockages
-
sanitary technical works
-
maintenance and emergency services
-
technical maintenance
-
heating
-
heating solutions
-
equipment and machinery
-
cooling and air conditioning systems, heat pumps
-
biodom pellet boilers
-
boilers
-
repair of heating systems
-
underfloor heating systems
-
installation of sanitary equipment
-
beril
-
construction and renovation of water and sewerage systems
-
construction of thermal assemblies
-
installation of radiant floor heating
-
installation of sanitary equipment
-
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
-
ion boilers
-
heating equipment
-
heat pumps
-
installation
- Credit score:
- Reliable
- Reputation score:
- 3,080
- Employees:
- 8
- Forecast turnover (2025):
- 937,970 €
Installation of electrical equipment in Tallinn
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
-
electrical works
-
special works
-
sanitation
-
maintenance
-
sewer systems
-
sewerage
-
maintenance work
-
construction and real estate
-
heating solutions
-
ventilation and cooling
-
water supply and sewerage
-
design of heating systems
-
energy calculation
-
pipe wash
-
renovation
-
rebuilding
-
modernhome
-
solutions
-
cooling
-
cooling systems
-
sweden
-
electricity
-
ventilation work
-
electrical systems
-
water supply
-
project manager
-
smart house solutions
-
heating solution
-
ventilation solutions
-
ventilation systems
- Credit score:
- Risky
- Reputation score:
- 3,038
- Employees:
- 15
- Forecast turnover (2025):
- 455,035 €
Enhancing Environments, Empowering Sustainability!
We specialize in delivering comprehensive climate control systems for industrial and residential use.
-
sewer
-
sewer maintenance
-
maintenance of boilers
-
preventive maintenance of industrial systems
-
maintenance and repair of boiler houses
-
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
-
sewer system services
-
bioenergy technology
-
finnish heating technology
-
industrial energy solutions
-
heating systems
-
climate control systems
-
water systems
-
comprehensive solutions
-
water treatment
- Credit score:
- Reliable
- Reputation score:
- 2,980
- Employees:
- 9
- Forecast turnover (2025):
- 1,039,146 €
Pipeline and heating installation in Estonia
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
-
repair of heating systems
-
maintenance
-
sewerage
-
heating systems maintenance
-
washing of heating systems
-
construction and real estate
-
energy and mineral resources
-
central heating systems
-
heating
-
heating solutions
-
equipment and machinery
-
construction
-
construction
-
climate control installations
-
ground source heat pumps
-
underfloor heating
-
underfloor heating systems
-
radiator heating
-
tubes
-
air to water heat pumps
-
heating system
-
radiant floor heating
-
heating solution
-
economical
-
installation
-
repair
-
tartu
-
heat pumps
-
tallinn
-
heat pump