| 1 | Itn Installatietechniek B.V. | Netherlands | Ede | Maxwellstraat 49 C 1 | Gelderland | 6716 BX | itn.***** | 2022 | $1,086,505,927 | 140 | N/A | N/A | 09045446 |
| 2 | Tm Techniek B.V. | Netherlands | Woudenberg | Voskuilerweg 49 A | Utrecht | 3931 MV | tm-techniek.***** | 2023 | $1,077,431,843 | 30 | N/A | N/A | 32108616 |
| 3 | Cegelec Industry B.V. | Netherlands | Dordrecht | Laan van Europa 450 | Zuid-holland | 3317 DB | vinci-facilities.***** | 2015 | $1,004,371,396 | 265 | N/A | N/A | 56833695 |
| 4 | Schilt Bedrijven B.V. | Netherlands | Vianen | Energieweg 29 | Utrecht | 4231 DJ | schiltbedrijven.***** | 2022 | $1,004,371,396 | 99 | N/A | N/A | 23044288 |
| 5 | Unica Fire Safety B.V. | Netherlands | Nijkerk | De Beek 18 | Gelderland | 3871 MS | unica.***** | 2014 | $990,626,964 | 100 | N/A | N/A | 59207426 |
| 6 | Unica Energy Solutions B.V. | Netherlands | Nijkerk | De Wel 15 | Gelderland | 3871 MT | unica.***** | 2001 | $990,626,964 | 25 | N/A | N/A | 17051074 |
| 7 | Pranger-Rosier Installaties B.V. | Netherlands | Dokkum | Beurtvaart 2 | Friesland | 9101 RB | pranger-rosier.***** | 1988 | $990,626,964 | 198 | N/A | N/A | 01035609 |
| 8 | Installatiebedrijf Otte B.V. | Netherlands | Sneek | Edisonstraat 12 | Friesland | 8606 JJ | otte-installaties.***** | 2021 | $990,626,964 | 33 | N/A | N/A | 01031372 |
| 9 | Dubotechniek B.V. | Netherlands | Zaltbommel | Valeton 10 | Gelderland | 5301 LW | dubotechniek.***** | 2021 | $873,885,402 | 37 | N/A | N/A | 30273254 |
| 10 | Hanab Installation Technology B.V. | Netherlands | Vianen | Lange Dreef 7 | Utrecht | 4131 NJ | homij.***** | 2023 | $873,885,402 | 500 | N/A | N/A | 30020926 |
| 11 | Van Dijnsen Installatiewerken B.V. | Netherlands | Breda | Heerbaan 100 | Noord-brabant | 4817 NL | vandijnsen.***** | 2022 | $861,844,158 | 102 | N/A | N/A | 20033969 |
| 12 | Klaver Klimaattechniek B.V. | Netherlands | De Goorn | Braken 83 | Noord-holland | 1713 GC | giant.***** | 2022 | $861,844,158 | 92 | N/A | N/A | 37101804 |
| 13 | Koomen Installatie B.V. | Netherlands | Diemen | Verrijn Stuartweg 4 | Noord-holland | 1112 AX | koomeninstallatie.***** | 2023 | $861,844,158 | 53 | N/A | N/A | 33021907 |
| 14 | Velgsib Installatietechniek B.V. | Netherlands | Stadskanaal | Steenhouwer 6 | Groningen | 9502 ET | velgsib.***** | 2023 | $861,844,158 | 42 | N/A | N/A | 02096883 |
| 15 | Heluto B.V. | Netherlands | Havelte | Dieverbrug 8 | Drenthe | 7981 AE | heluto.***** | 2020 | $861,844,158 | 37 | N/A | N/A | 04025884 |
| 16 | Nooter Technische Installaties B.V. | Netherlands | Zwolle | Paxtonstraat 8 | Overijssel | 8013 RP | nooter.***** | 2021 | $861,844,158 | 36 | N/A | N/A | 05021556 |
| 17 | Schreuder B.V. | Netherlands | Zwolle | Paxtonstraat 8 | Overijssel | 8013 RP | schreuderbv.***** | 2022 | $861,844,158 | 27 | N/A | N/A | 68528213 |
| 18 | Installatiebedrijf De Leeuw Beneden-Leeuwen N.V. | Netherlands | Beneden-leeuwen | Expeditieweg 16 | Gelderland | 6657 KL | installatiebedrijfdeleeuw.***** | 2022 | $861,844,158 | 26 | N/A | N/A | 11065444 |
| 19 | Blankespoor B.V. | Netherlands | Putten | Handelsweg 10 | Gelderland | 3881 LS | blankespoorbv.***** | 2020 | $861,844,158 | 25 | N/A | N/A | 08723081 |
| 20 | Electro-Technisch Buro JOH. Ten Brinke Ijsselmuiden B.V. | Netherlands | Kampen | Spoordwarsstraat 12 | Overijssel | 8271 RD | johtenbrinke.***** | 2013 | $861,844,158 | 24 | N/A | N/A | 05050641 |
| 21 | Coumans Installaties B.V. | Netherlands | Beek | Kelmonderstraat 69 | Limburg | 6191 RD | coumansinstallaties.***** | 2024 | $861,844,158 | 23 | N/A | N/A | 14050070 |
| 22 | Koelvisie B.V. | Netherlands | Drachten | Kelvinlaan 5 B | Friesland | 9207 JB | koelvisie.***** | 2022 | $861,844,158 | 23 | N/A | N/A | 01182713 |
| 23 | Van Puijenbroek Installaties B.V. | Netherlands | Alphen | Stationstraat 67 | Noord-brabant | 5131 BM | vanpuijenbroek.***** | 2025 | $861,844,158 | 19 | N/A | N/A | 18029484 |
| 24 | Installatietechniek Raalte B.V. | Netherlands | Raalte | Boeierstraat 7 | Overijssel | 8102 HS | installatietechniekraalte.***** | 2019 | $861,844,158 | 13 | N/A | N/A | 38019218 |
| 25 | Installatie Techniek Zeeland B.V. | Netherlands | Terneuzen | Communicatielaan 25 | Zeeland | 4538 BV | it-zld.***** | 2023 | $861,844,158 | 10 | N/A | N/A | 22058281 |
| 26 | Installatietechniek Raalte Materieel B.V. | Netherlands | Raalte | Boeierstraat 7 | Overijssel | 8102 HS | installatietechniekraalte.***** | 2019 | $861,844,158 | 5 | N/A | N/A | 08214914 |
| 27 | Koomen Installatie Service En Projecten B.V. | Netherlands | Diemen | Verrijn Stuartweg 4 | Noord-holland | 1112 AX | koomeninstallatie.***** | 2023 | $861,844,158 | 5 | N/A | N/A | 50695436 |
| 28 | Den Doorn Installatieprojecten B.V. | Netherlands | Almkerk | Distributiestraat 23 | Noord-brabant | 4283 JN | dendoorn.***** | 2019 | $861,844,158 | 63 | N/A | N/A | 18126349 |
| 29 | Sankomij Installatietechniek B.V. | Netherlands | Veldhoven | De Plank 91 | Noord-brabant | 5504 EE | sankomij.***** | 2024 | $861,844,158 | 52 | N/A | N/A | 17065532 |
| 30 | Heating Service Installatietechniek B.V. | Netherlands | Bodegraven | Weijland 70 | Zuid-holland | 2415 BD | heatingservice.***** | 2023 | $861,844,158 | 36 | N/A | N/A | 29028953 |
| 31 | Van Heugten Gemert B.V. | Netherlands | Gemert | Dieze 8 | Noord-brabant | 5422 VS | eurobad.***** | 2000 | $861,844,158 | 35 | N/A | N/A | 17062516 |
| 32 | Sankomij Service B.V. | Netherlands | Veldhoven | De Plank 91 | Noord-brabant | 5504 EE | sankomij.***** | 2024 | $861,844,158 | 34 | N/A | N/A | 84174285 |
| 33 | Installatietechniek Raalte Projecten B.V. | Netherlands | Raalte | Boeierstraat 7 | Overijssel | 8102 HS | installatietechniekraalte.***** | 2019 | $861,844,158 | 33 | N/A | N/A | 08214907 |
| 34 | Den Doorn Installatiebeheer B.V. | Netherlands | Almkerk | Distributiestraat 23 | Noord-brabant | 4283 JN | dendoorn.***** | 2019 | $861,844,158 | 28 | N/A | N/A | 18050692 |
| 35 | Bijlstra Installaties B.V. | Netherlands | Dokkum | Hogedijken 22 | Friesland | 9101 WV | bijlstra-installaties.***** | 2021 | $861,844,158 | 25 | N/A | N/A | 01076935 |
| 36 | Heluto Service B.V. | Netherlands | Havelte | Dieverbrug 8 | Drenthe | 7981 AE | heluto.***** | 2020 | $861,844,158 | 23 | N/A | N/A | 04019891 |
| 37 | Roycon Installaties B.V. | Netherlands | Budel | Rondven 59 | Noord-brabant | 6026 PX | roycon.***** | 2011 | $861,844,158 | 15 | N/A | N/A | 17068484 |
| 38 | Aa Installatietechniek Nederland B.V. | Netherlands | Oud-beijerland | Veerweg 1 A | Zuid-holland | 3281 LX | aatech.***** | 2022 | $861,844,158 | 49 | N/A | N/A | 24301559 |
| 39 | Kemtec B.V. | Netherlands | Budel | Randweg-zuid 2 | Noord-brabant | 6021 PW | kemtec.***** | 2022 | $861,844,158 | 47 | N/A | N/A | 17066536 |
| 40 | Feenstra En Van Goor Installaties En Sanitair B.V. | Netherlands | Wormer | Eendrachtstraat 8 | Noord-holland | 1531 DV | feenstraenvangoor.***** | 2023 | $861,844,158 | 29 | N/A | N/A | 35010996 |
| 41 | P. De Vries Installatietechnieken B.V. | Netherlands | Leeuwarden | Polluxweg 13 | Friesland | 8938 AZ | pdevries.***** | 2021 | $861,844,158 | 100 | N/A | N/A | 01087105 |
| 42 | Probis Nederland B.V. | Netherlands | Beilen | Ossebroeken 34 | Drenthe | 9411 VR | probisnederland.***** | 2025 | $861,844,158 | 54 | N/A | N/A | 01131171 |
| 43 | Installatiebedrijf Hoekstra Heerenveen B.V. | Netherlands | Heerenveen | Mercurius 17 | Friesland | 8448 GX | hoekstra-drachten.***** | 2019 | $861,844,158 | 52 | N/A | N/A | 01047674 |
| 44 | Technisch Installatiebedrijf Toonen B.V. | Netherlands | Wijchen | Pieter Zeemanstraat 29 | Gelderland | 6603 AV | toonen-installatietechniek.***** | 2022 | $861,844,158 | 29 | N/A | N/A | 09150291 |
| 45 | Lks Installatietechniek B.V. | Netherlands | Asten | Planker 16 | Noord-brabant | 5721 VG | lksinstallatietechniek.***** | 2024 | $861,844,158 | 16 | N/A | N/A | 84174293 |
| 46 | Hulstflier Installateurs Dordrecht B.V. | Netherlands | Dordrecht | Calandstraat 5 | Zuid-holland | 3316 EA | hulstflier.***** | 2025 | $861,844,158 | 13 | N/A | N/A | 54029708 |
| 47 | Property Care Nederland B.V. | Netherlands | Hoofddorp | Aalsmeerderdijk 158 B | Noord-holland | 1438 AX | propertycare.***** | 2024 | $861,844,158 | 11 | N/A | N/A | 57388628 |
| 48 | Koomen Installatie Onderhoud B.V. | Netherlands | Diemen | Verrijn Stuartweg 4 | Noord-holland | 1112 AX | koomeninstallatie.***** | 2023 | $861,844,158 | 5 | N/A | N/A | 84494751 |
| 49 | Coumans Installaties Weert B.V. | Netherlands | Beek | Kelmonderstraat 69 | Limburg | 6191 RD | coumansinstallaties.***** | 2024 | $861,844,158 | 5 | N/A | N/A | 14105570 |
| 50 | Technisch Advies- En Installatiebureau Warmtebouw Utrecht B.V. | Netherlands | Utrecht | Middenwetering 1 | Utrecht | 3543 AR | warmtebouw.***** | 2000 | $635,527,135 | 288 | N/A | N/A | 30045710 |
| 51 | Nr Cooling Services B.V. | Netherlands | Ridderkerk | Glasblazerstraat 13 | Zuid-holland | 2984 BL | nrcooling.***** | 2019 | $635,527,135 | 25 | N/A | N/A | 63781972 |
| 52 | Geotherm Energy Systems B.V. | Netherlands | Bunschoten | Zuidwenk 45 A | Utrecht | 3751 CB | geothermes.***** | 2008 | $635,527,135 | 14 | N/A | N/A | 08076154 |
| 53 | Aeroflex Benelux B.V. | Netherlands | Lelystad | Poseidonweg 39 | Flevoland | 8239 DK | aeroflex.***** | 1997 | $635,527,135 | 5 | N/A | N/A | 39054401 |
| 54 | Heinen & Hopman Installaties B.V. | Netherlands | Bunschoten | Zuidwenk 45 | Utrecht | 3751 CB | heinenhopmaninstallaties.***** | 2017 | $635,527,135 | 40 | N/A | N/A | 67816959 |
| 55 | TBK Klimaat B.V. | Netherlands | Hoofddorp | Sloterweg 346 | Noord-holland | 1171 VJ | heating-partners.***** | 2021 | $516,771,331 | 8 | N/A | N/A | 70698910 |
| 56 | Modutech B.V. | Netherlands | Hoofddorp | Sloterweg 346 | Noord-holland | 1171 VJ | modutechbv.***** | 2024 | $516,771,331 | 5 | N/A | N/A | 83292128 |
| 57 | Rendon Voorburg B.V. | Netherlands | Delft | Poortweg 8 | Zuid-holland | 2612 PA | rendon.***** | 2017 | $516,771,331 | 51 | N/A | N/A | 27067460 |
| 58 | Kropman B.V. | Netherlands | Nijmegen | Lagelandseweg 84 | Gelderland | 6545 CG | kropman.***** | 2009 | $402,248,553 | 281 | N/A | N/A | 09204509 |
| 59 | Harwig Engineering B.V. | Netherlands | Emmen | Atlantis 3 | Drenthe | 7821 AX | harwig.***** | 2005 | $402,248,553 | 2 | N/A | N/A | 04047636 |
| 60 | Kuijpers Projecten B.V. | Netherlands | Den Bosch | Het Zuiderkruis 17 | Noord-brabant | 5215 MV | kuijpers.***** | 2008 | $385,498,777 | 245 | N/A | N/A | 17238263 |
| 61 | Kuijpers Utiliteit Zuid B.V. | Netherlands | Helmond | Panovenweg 18 | Noord-brabant | 5708 HR | kuijpers.***** | 1977 | $385,498,777 | 96 | N/A | N/A | 17040131 |
| 62 | Breman Utiliteit Zwolle B.V. | Netherlands | Zwolle | Pascalweg 2 | Overijssel | 8013 RC | breman.***** | 1993 | $374,738,525 | 190 | N/A | N/A | 05025602 |
| 63 | Installatiebedrijf T. Breman B.V. | Netherlands | Hasselt | Sasdijk 9 | Overijssel | 8281 BM | breman.***** | 1993 | $374,738,525 | 105 | N/A | N/A | 05024848 |
| 64 | Breman Woningbeheer Zuid B.V. | Netherlands | Weert | Industriekade 45 | Limburg | 6006 SJ | breman.***** | 2020 | $374,738,525 | 105 | N/A | N/A | 13035700 |
| 65 | Breman Woningbeheer Oost B.V. | Netherlands | Hasselt | Karst de Langestraat 10 | Overijssel | 8281 JA | breman.***** | 2020 | $374,738,525 | 60 | N/A | N/A | 05024849 |
| 66 | Breman Harderwijk B.V. | Netherlands | Harderwijk | Celsiusstraat 43 | Gelderland | 3846 BK | breman.***** | 1993 | $374,738,525 | 32 | N/A | N/A | 08011609 |
| 67 | Breman Zuid-Holland B.V. | Netherlands | Hasselt | De Blokmat 17 | Overijssel | 8281 JH | breman.***** | 1993 | $374,738,525 | 5 | N/A | N/A | 05050011 |
| 68 | Breman Woningbeheer Noord-West B.V. | Netherlands | Hasselt | De Blokmat 17 | Overijssel | 8281 JH | breman.***** | 2020 | $374,738,525 | 5 | N/A | N/A | 34103535 |
| 69 | Breman Loodgieters Genemuiden B.V. | Netherlands | Hasselt | De Blokmat 17 | Overijssel | 8281 JH | breman.***** | 1996 | $374,738,525 | 5 | N/A | N/A | 05058376 |
| 70 | Breman Zuid B.V. | Netherlands | Vlijmen | Marconilaan 4 | Noord-brabant | 5151 DR | breman.***** | 1993 | $374,738,525 | 130 | N/A | N/A | 18123152 |
| 71 | Breman Utiliteit Rotterdam B.V. | Netherlands | Rotterdam | Vareseweg 11 | Zuid-holland | 3047 AT | breman.***** | 2013 | $374,738,525 | 75 | N/A | N/A | 57266441 |
| 72 | Breman Finance B.V. | Netherlands | Hasselt | Karst de Langestraat 10 | Overijssel | 8281 JA | breman.***** | 2020 | $374,738,525 | 5 | N/A | N/A | 05070741 |
| 73 | Breman Maasland B.V. | Netherlands | Echt | Ohmweg 9 | Limburg | 6101 WZ | breman.***** | 2005 | $374,738,525 | 65 | N/A | N/A | 13020850 |
| 74 | Breman Techniek B.V. | Netherlands | Zwolle | Schokkerweg 1 | Overijssel | 8042 PC | breman.***** | 1993 | $374,738,525 | 500 | N/A | N/A | 05024867 |
| 75 | Breman Woningbeheer Zuid-West B.V. | Netherlands | Berkel en Rodenrijs | Braillestraat 18 | Zuid-holland | 2652 XV | breman.***** | 2020 | $374,738,525 | 130 | N/A | N/A | 27140623 |
| 76 | Breman Woningbeheer Midden B.V. | Netherlands | Driebergen-rijsenburg | Amersfoortseweg 24 H | Utrecht | 3951 LB | breman.***** | 2020 | $374,738,525 | 70 | N/A | N/A | 30018003 |
| 77 | Breman Utiliteit Zuid B.V. | Netherlands | Hasselt | De Blokmat 17 | Overijssel | 8281 JH | breman.***** | 2017 | $374,738,525 | 5 | N/A | N/A | 68478658 |
| 78 | Batenburg Installatietechniek B.V. | Netherlands | Rotterdam | Stolwijkstraat 33 | Zuid-holland | 3079 DN | batenburg.***** | 2016 | $368,842,928 | 40 | N/A | N/A | 08077845 |
| 79 | Van Dorp Projecten B.V. | Netherlands | Capelle Aan den Ijssel | Fascinatio Boulevard 602 | Zuid-holland | 2909 VA | vandorp.***** | 2021 | $348,219,407 | 80 | N/A | N/A | 76049019 |
| 80 | Van Dorp Installaties B.V. | Netherlands | Zoetermeer | Koraalrood 161 | Zuid-holland | 2718 SB | vandorp.***** | 1996 | $348,219,407 | 500 | N/A | N/A | 38012622 |
| 81 | Hvac Service Partner I2m B.V. | Netherlands | Dordrecht | Carneool 400 | Zuid-holland | 3316 KC | hdklimaatsystemen.***** | 2016 | $290,720,663 | 1 | N/A | N/A | 24120881 |
| 82 | Sunshine Deals B.V. | Netherlands | Amsterdam | Papaverweg 34 Unit B100 | Noord-holland | 1032 KJ | solarpowerprojects.***** | 2022 | $286,088,786 | 5 | N/A | N/A | 63311887 |
| 83 | Kemkens B.V. | Netherlands | Oss | Merwedestraat 58 | Noord-brabant | 5347 KW | kemkens.***** | 2004 | $240,750,561 | 90 | N/A | N/A | 16051917 |
| 84 | Werkendamse Verwarmings Centrale B.V. | Netherlands | Almkerk | Ir Blankenstraat 6 | Noord-brabant | 4251 NR | wvi.***** | 1971 | $240,750,561 | 47 | N/A | N/A | 18113688 |
| 85 | Werkendamse Verwarmings Industrie B.V. | Netherlands | Almkerk | Ir Blankenstraat 6 | Noord-brabant | 4251 NR | wvi.***** | 1983 | $240,750,561 | 40 | N/A | N/A | 18045753 |
| 86 | P. Jansen Installatietechniek B.V. | Netherlands | Bergen Op Zoom | Kruisakkers 4 | Noord-brabant | 4613 BV | pjansen.***** | 1978 | $240,750,561 | 67 | N/A | N/A | 20053638 |
| 87 | Installatie-Techniek Sjef Ubaghs Nederland B.V. | Netherlands | Valkenburg | Valkenburgerstraat 51 | Limburg | 6325 BL | ubaghs.***** | 2025 | $240,750,561 | 27 | N/A | N/A | 14632976 |
| 88 | De Vin-Pass B.V. | Netherlands | Terneuzen | Communicatielaan 21 | Zeeland | 4538 BV | devin-pass.***** | 1986 | $221,108,021 | 6 | N/A | N/A | 21017368 |
| 89 | Wijnen Installatietechniek B.V. | Netherlands | Eindhoven | Boschdijk 722 | Noord-brabant | 5624 CL | wijneninstallaties.***** | 1999 | $198,936,531 | 53 | N/A | N/A | 17020587 |
| 90 | Imtech Belgium Ou En Francais Imtech Belgique Ou En Neerlandais Imtech Belgie | Belgium | Anderlecht | Boulevard Industriel 28 | Bruxelles Capitale | 1070 | imtech.***** | 1997 | $196,532,762 | 595 | N/A | N/A | BE0402969474 |
| 91 | Holland Scherming B.V. | Netherlands | Naaldwijk | Honderdland 30 | Zuid-holland | 2676 LS | hollandgaas.***** | 2005 | $192,332,152 | 25 | N/A | N/A | 27226802 |
| 92 | Bennink's Service En Onderhoud B.V. | Netherlands | Zaandam | Zuiddijk 386 | Noord-holland | 1505 HE | benninkbv.***** | 2023 | $191,712,878 | 29 | N/A | N/A | 33287236 |
| 93 | Bennink's Technische Installatiebedrijven B.V. | Netherlands | Zaandam | Zuiddijk 386 | Noord-holland | 1505 HE | benninkbv.***** | 2023 | $191,712,878 | 24 | N/A | N/A | 33287235 |
| 94 | Hollander Techniek B.V. | Netherlands | Apeldoorn | Boogschutterstraat 30 | Gelderland | 7324 AG | hollandertechniek.***** | 2023 | $191,712,878 | 550 | N/A | N/A | 08035333 |
| 95 | Hendriks Techniek B.V. | Netherlands | Oss | Kanaalstraat 12 | Noord-brabant | 5347 KM | hendriksbouwenontwikkeling.***** | 1995 | $180,904,903 | 38 | N/A | N/A | 16038761 |
| 96 | Vepritec B.V. | Netherlands | Kwintsheul | Fustmeester 4 | Zuid-holland | 2295 SE | vepritec.***** | 2007 | $177,615,416 | 21 | N/A | N/A | 27230203 |
| 97 | Stolze Agro Int'l B.V. | Netherlands | Naaldwijk | Honderdland 781 | Zuid-holland | 2676 LV | stolze.***** | 2021 | $177,615,416 | 25 | N/A | N/A | 27248005 |
| 98 | Voshol Warmte- Electrotechniek B.V. | Netherlands | Waddinxveen | Logistiekweg 1 | Zuid-holland | 2742 RE | janvoshol.***** | 2023 | $177,615,416 | 41 | N/A | N/A | 27222173 |
| 99 | Bam Techniek B.V. | Netherlands | Bunnik | Runnenburg 13 | Utrecht | 3981 AZ | bamtechniek.***** | 2017 | $170,485,749 | 1,347 | N/A | N/A | 30133637 |
| 100 | Heuvelrug Energiediensten B.V. | Netherlands | Driebergen-rijsenburg | Boswijklaan 50 | Utrecht | 3941 ZN | heuvelrugwonen.***** | 2014 | $163,596,952 | 57 | N/A | N/A | 60281839 |