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

Name Market cap Price Price
change %
INVX icon
1
Innovex International
INVX
$1.96B
$1.96B $28.03 2.34%
NESR icon
2
National Energy Services Reunited Corp
NESR
$1.89B
$1.89B $18.73 1.99%
XPRO icon
3
Expro Ltd
XPRO
$1.82B
$1.82B $16.16 3%
NEXT icon
4
NextDecade
NEXT
$1.67B
$1.67B $6.26 4.16%
WBI icon
5
WaterBridge Infrastructure LLC
WBI
$1.58B
$1.58B $28.49 1.01%
RES icon
6
RPC Inc
RES
$1.34B
$1.34B $6.05 2.2%
AESI icon
7
Atlas Energy Solutions
AESI
$1.23B
$1.23B $9.84 4.56%
VTOL icon
8
Bristow Group
VTOL
$1.15B
$1.15B $38.64 2.01%
PUMP icon
9
ProPetro Holding
PUMP
$949M
$949M $7.73 2.64%
FET icon
10
Forum Energy Technologies
FET
$903M
$903M $78.70 2.06%
FTK icon
11
Flotek Industries
FTK
$871M
$871M $24.06 2.71%
FLOC icon
12
Flowco Holdings
FLOC
$827M
$827M $18.81 2.62%
TTI icon
13
TETRA Technologies
TTI
$788M
$788M $5.32 0.19%
ACDC icon
14
ProFrac Holding
ACDC
$734M
$734M $4.03 2.18%
OIS icon
15
Oil States International
OIS
$490M
$490M $8.12 2.27%
EROK icon
16
EagleRock Land
EROK
$463M
$463M $17.57 3.99%
CLB icon
17
Core Laboratories
CLB
$459M
$459M $10 2.25%
NGS icon
18
Natural Gas Services Group
NGS
$401M
$401M $31.10 0.45%
RNGR icon
19
Ranger Energy Services
RNGR
$347M
$347M $14.65 1.45%
NOA icon
20
North American Construction
NOA
$312M
$312M $11.59 1.13%

Small 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 20 small cap Oil & Gas Equipment & Services stocks — companies in the Oil & Gas Equipment & Services industry with a market cap between $250M and $2B — worth a combined $20.2B.

The largest by market cap are Innovex International (INVX) at $1.96B, National Energy Services Reunited Corp (NESR) at $1.89B and Expro Ltd (XPRO) at $1.82B.

Among institutional investors, EagleRock Land (EROK) drew the most net new fund positions in Q2 2026: 74 funds opened new positions.

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