Research · refreshed nightly · August 17, 2026

Top Power Grid and Electrification Companies (October 2026)

The electrification supply chain.

Electricity demand is rising for the first time in a generation, and the top power grid and electrification companies, 16 in all, are mostly unglamorous names in switchgear, substations, and contracting. The leader is Germany's PFISTERER, a $1.4B company posting 334% revenue growth and an MGI of 67. Behind it sit $33B EMCOR and $82B Quanta Services, the contractors doing the physical work.

The group's median MGI of 56 belongs to businesses winning real contracts rather than telling stories; most carry the scale-economics profile, where margins are modest and volume does the compounding. The tail runs small: Norway's Zaptec at $256M and Sweden's AQ Group at $2.1B ride the same buildout. Click any name for the full citation-backed analysis.

50companies qualify
52median MGI
2joined this week

The ranking

Sorted by MGI
1
Plejd ABPLEJD.SE🇸🇪
Revenue +28%/yr · +27%/yr per share · asset light
G 75V 68O 81Cap $858.6M
2
nVent Electric plcNVT🇺🇸
Revenue +14%/yr · +15%/yr per share · scale economics
G 70V 51O 70Cap $27.6B
3
STIF S.A.ALSTI.FR🇫🇷
Revenue +42%/yr · -73%/yr per share · asset light
G 68V 60O 71Cap $314.6M
4
NKT A/SNKT.DK🇩🇰
Revenue +14%/yr · +9%/yr per share · scale economics
G 67V 49O 67Cap $7.3B
5
Addtech ABADDT.B.SE🇸🇪
Revenue +12%/yr · +12%/yr per share · scale economics
G 65O 65Cap $9.5B
6
Friedrich Vorwerk Group SEVH2.DE🇩🇪
Revenue +22%/yr · +22%/yr per share · asset light
G 65V 69O 73Cap $1.6B
7
Carel Industries S.p.A.CRL.IT🇮🇹
Revenue +10%/yr · +8%/yr per share · asset light
G 65V 54O 67Cap $3.7B
8
Willdan Group, Inc.WLDN🇺🇸
Revenue +16%/yr · +11%/yr per share · scale economics
G 65V 55O 67Cap $1.2B
9
IES Holdings, Inc.IESC🇺🇸
Revenue +19%/yr · +20%/yr per share · scale economics
G 64V 53O 65Cap $14.9B
10
EMCOR Group, Inc.EME🇺🇸
Revenue +13%/yr · +18%/yr per share · scale economics
G 64V 54O 66Cap $36.8B
11
Arteche Lantegi Elkartea, S.A.ART.ES🇪🇸
Revenue +14%/yr · +12%/yr per share · asset light
G 63V 54O 64Cap $2.1B
12
Foresight Group Holdings LimitedFSG.GB🇬🇧
Revenue +15%/yr · +14%/yr per share · asset light
G 61V 64O 64Cap $644.6M
13
5N Plus Inc.VNP.CA🇨🇦
Revenue +16%/yr · +14%/yr per share · scale economics
G 61V 53O 62Cap $2.0B
14
Hesai GroupHSAI🇨🇳
Revenue +35%/yr · +25%/yr per share · scale economics
G 60V 47O 58Cap $22.9B
15
Argan, Inc.AGX🇺🇸
Revenue +16%/yr · +19%/yr per share · scale economics
G 59V 56O 62Cap $8.7B
16
Powell Industries, Inc.POWL🇺🇸
Revenue +20%/yr · +19%/yr per share · scale economics
G 59V 51O 59Cap $9.1B
17
Zaptec ASAZAP.NO🇳🇴
Revenue +20%/yr · +17%/yr per share · scale economics
G 58V 79O 65Cap $242.4M
18
Atrem S.A.ATR.PL🇵🇱
Revenue +24%/yr · +0%/yr per share · scale economics
G 57V 66O 61Cap $119.2M
19
Everus Construction Group, Inc.ECG🇺🇸
Revenue +16%/yr · +16%/yr per share · scale economics
G 57V 50O 57Cap $7.8B
20
R&S Group Holding AGRSGN.CH🇨🇭
Revenue +38%/yr · +27%/yr per share · scale economics
G 56V 65O 60Cap $816.2M
21
Quanta Services, Inc.PWR🇺🇸
Revenue +20%/yr · +19%/yr per share · scale economics
G 56V 51O 57Cap $105.7B
22
First Solar, Inc.FSLR🇺🇸
Revenue +13%/yr · +13%/yr per share · scale economics
G 55V 51O 55Cap $24.8B
23
Terna S.p.A.TRN.IT🇮🇹
Revenue +10%/yr · +10%/yr per share · asset light
G 54V 57O 57Cap $22.8B
24
American Superconductor CorporationAMSC🇺🇸
Revenue +26%/yr · +13%/yr per share · scale economics
G 54V 45O 53Cap $1.8B
25
Volex plcVLX.GB🇬🇧
Revenue +17%/yr · +14%/yr per share · scale economics
G 53V 57O 54Cap $1.4B
26
EnergyVision NVENRGY.BE🇧🇪
Revenue +21%/yr · +13%/yr per share · scale economics
G 51V 54O 52Cap $923.4M
27
Elektrotim S.A.ELT.PL🇵🇱
Revenue +16%/yr · +16%/yr per share · scale economics
G 51V 68O 55Cap $123.1M
28
Blue Bird Corp.BLBD🇺🇸
Revenue +19%/yr · +14%/yr per share · scale economics
G 51V 59O 55Cap $2.3B
29
Supreme PLCSUP.GB🇬🇧
Revenue +17%/yr · +16%/yr per share · scale economics
G 50V 60O 52Cap $260M
30
Gérard Perrier Industrie S.A.PERR.FR🇫🇷
Revenue +11%/yr · +10%/yr per share · asset light
G 49V 56O 50Cap $362.1M
31
Hammond Power Solutions Inc.HPS.A.CA🇨🇦
Revenue +23%/yr · +23%/yr per share · scale economics
G 48V 53O 48Cap $2.3B
32
FW Thorpe PlcTFW.GB🇬🇧
Revenue +9%/yr · +9%/yr per share · asset light
G 48V 57O 49Cap $414.7M
33
Redelfi S.p.A.RDF.IT🇮🇹
Revenue +188%/yr · +157%/yr per share · asset light
G 47V 55O 48Cap $172.4M
34
Li Auto Inc.LI🇨🇳
Revenue +32%/yr · +29%/yr per share · scale economics
G 43V 59O 45Cap $12.0B
35
NIO Inc.NIO🇨🇳
Revenue +23%/yr · +13%/yr per share · scale economics
G 43V 55O 44Cap $11.3B
36
Electrovaya Inc.ELVA🇨🇦
Revenue +48%/yr · +32%/yr per share · scale economics
G 42V 54O 43Cap $394M
37
Midsummer AB (publ)MIDS.SE🇸🇪
Revenue +20%/yr · -19%/yr per share · scale economics
G 42V 68O 45Cap $67.1M
38
eVISO S.p.A.EVISO.IT🇮🇹
Revenue +42%/yr · +40%/yr per share · scale economics
G 42V 62O 44Cap $177.5M
39
Amprius Technologies, Inc.AMPX🇺🇸
Revenue +109%/yr · +81%/yr per share · scale economics
G 41V 40O 39Cap $1.9B
40
Cloudberry Clean Energy ASACLOUD.NO🇳🇴
Revenue +73%/yr · +47%/yr per share · asset light
G 40V 55O 41Cap $431.8M
41
Aker Solutions ASAAKSO.NO🇳🇴
Revenue +15%/yr · +16%/yr per share · scale economics
G 40V 71O 44Cap $1.6B
42
XPeng Inc.XPEV🇨🇳
Revenue +29%/yr · +25%/yr per share · scale economics
G 39V 64O 42Cap $11.2B
43
VGP NVVGP.BE🇧🇪
Revenue +39%/yr · +30%/yr per share · asset light
G 38V 50O 38Cap $3.0B
44
Cadeler A/SCDLR🇩🇰
Revenue +62%/yr · +33%/yr per share · asset light
G 38V 61O 41Cap $2.3B
45
Burkhalter Holding AGBRKN.CH🇨🇭
Revenue +19%/yr · +6%/yr per share · asset light
G 37V 54O 38Cap $1.8B
46
La Française de l'Énergie S.A.FDE.FR🇫🇷
Revenue +33%/yr · +32%/yr per share · asset light
G 37V 65O 40Cap $193.3M
47
Brookfield Infrastructure Partners L.P.BIP🇨🇦
Revenue +17%/yr · +26%/yr per share · scale economics
G 34V 66O 38Cap $31.5B
48
MasTec, Inc.MTZ🇺🇸
Revenue +15%/yr · +14%/yr per share · scale economics
G 34V 47O 33Cap $28.4B
49
Primoris Services CorporationPRIM🇺🇸
Revenue +16%/yr · +15%/yr per share · scale economics
G 33V 49O 33Cap $4.9B
50
Kenon Holdings Ltd.KEN🇸🇬
Revenue +16%/yr · +16%/yr per share · scale economics
G 32V 45O 31Cap $3.9B

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Research tool, not investment advice. Rankings are generated by our models from company filings and market data, refresh nightly, and are identical for every visitor. Scores reflect our methodology and are not recommendations to act. Data as of 2026-08-17.