We are live on ! Find out more

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

Name Market cap Price Price
change %
NOV icon
1
NOV
NOV
$7.04B
$7.04B $19.76 3.23%
WFRD icon
2
Weatherford International
WFRD
$6.36B
$6.36B $88.73 1.97%
KGS icon
3
Kodiak Gas Services
KGS
$5.98B
$5.98B $59.18 3.71%
WHD icon
4
Cactus
WHD
$5.46B
$5.46B $68.05 1.99%
AROC icon
5
Archrock
AROC
$5.38B
$5.38B $30.70 3.46%
OII icon
6
Oceaneering
OII
$5.02B
$5.02B $50.46 4.79%
TDW icon
7
Tidewater
TDW
$4.62B
$4.62B $92.92 2.45%
USAC icon
8
USA Compression Partners
USAC
$3.83B
$3.83B $26.44 0.41%
SEI
9
Solaris Energy Infrastructure
SEI
$3.52B
$3.52B $53.53 0.47%
NESR
10
National Energy Services Reunited Corp
NESR
$3.37B
$3.37B $33.42 1.18%
LBRT icon
11
Liberty Energy
LBRT
$3.02B
$3.02B $18.48 4.55%
WTTR icon
12
Select Water Solutions
WTTR
$2.48B
$2.48B $19.21 2.59%
LB
13
LandBridge Co
LB
$2.47B
$2.47B $87.10 2.91%
EFXT
14
Enerflex
EFXT
$2.41B
$2.41B $19.72 3.05%
XPRO icon
15
Expro Ltd
XPRO
$2.01B
$2.01B $17.91 1.7%
INVX
16
Innovex International
INVX
$2B
$2B $28.62 2.39%

Mid 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 16 mid cap Oil & Gas Equipment & Services stocks — companies in the Oil & Gas Equipment & Services industry with a market cap between $2B and $10B — worth a combined $65B.

The largest by market cap are NOV (NOV) at $7.04B, Weatherford International (WFRD) at $6.36B and Kodiak Gas Services (KGS) at $5.98B.

Among institutional investors, Kodiak Gas Services (KGS) drew the most net new fund positions in Q2 2026: 116 funds opened new positions, taking total fund holders up 79 (24%) quarter-over-quarter.

  • Combined market cap: $65B across 16 stocks.
  • Mid Cap: market cap between $2B and $10B.
  • Largest constituent: NOV (NOV), $7.04B market cap.
  • Most net new fund positions in Q2 2026: Kodiak Gas Services (KGS), +79 holders.

Market caps and prices updated daily; fund activity based on aggregated SEC 13F filings for Q2 2026.