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Large Cap
Oil & Gas Equipment & Services
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
SLB icon
1
SLB Ltd
SLB
$78.4B
$78.4B $52.84 1.56%
BKR icon
2
Baker Hughes
BKR
$64.2B
$64.2B $64.72 0.14%
FTI icon
3
TechnipFMC
FTI
$29.7B
$29.7B $75.83 0.68%
HAL icon
4
Halliburton
HAL
$27.9B
$27.9B $33.44 1.07%
TS icon
5
Tenaris
TS
$26.8B
$26.8B $53.18 0.49%

Large Cap Oil & Gas Equipment & Services Stocks at a Glance

Oilfield services and equipment companies provide the contract drilling, seismic surveys, pumping, tool rental, and machinery behind oil and gas production. Revenue follows producers' capital budgets, amplifying oil-price cycles in both directions.

There are 5 large cap Oil & Gas Equipment & Services stocks — companies in the Oil & Gas Equipment & Services industry with a market cap between $10B and $200B — worth a combined $227B.

The largest by market cap are SLB Ltd (SLB) at $78.4B, Baker Hughes (BKR) at $64.2B and TechnipFMC (FTI) at $29.7B.

Among institutional investors, Halliburton (HAL) drew the most net new fund positions in Q1 2026: 285 funds opened new positions, taking total fund holders up 185 (18%) quarter-over-quarter.

  • Combined market cap: $227B across 5 stocks.
  • Large Cap: market cap between $10B and $200B.
  • Largest constituent: SLB Ltd (SLB), $78.4B market cap.
  • Most net new fund positions in Q1 2026: Halliburton (HAL), +185 holders.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q1 2026.