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