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Small Cap
Building Products & Equipment
Stocks Ranked by
Market Capitalization

Name Market cap Price Price
change %
ARLO icon
1
Arlo Technologies
ARLO
$1.43B
$1.43B $13.32 1.76%
ROCK icon
2
Gibraltar Industries
ROCK
$1.37B
$1.37B $46.01 0.56%
NPKI
3
NPK International
NPKI
$1.12B
$1.12B $13.16 0%
NX icon
4
Quanex
NX
$916M
$916M $19.94 0.05%
APOG icon
5
Apogee Enterprises
APOG
$861M
$861M $41.26 0.22%
SWIM icon
6
Latham Group
SWIM
$840M
$840M $7.14 2%
JBI icon
7
Janus International
JBI
$689M
$689M $5.05 0.98%
LMB icon
8
Limbach Holdings
LMB
$500M
$500M $41.91 0.48%
AIRJ
9
Montana Technologies Corp
AIRJ
$355M
$355M $4.84 3.39%

Small Cap Building Products & Equipment Stocks at a Glance

Building products companies make the components of construction — HVAC, plumbing, doors, tiles, and framing systems (raw materials like cement sit in the building materials industry). Demand splits between new construction and steadier repair-and-remodel spending, with energy-efficiency upgrades a structural tailwind.

There are 9 small cap Building Products & Equipment stocks — companies in the Building Products & Equipment industry with a market cap between $250M and $2B — worth a combined $8.08B.

The largest by market cap are Arlo Technologies (ARLO) at $1.43B, Gibraltar Industries (ROCK) at $1.37B and NPK International (NPKI) at $1.12B.

Among institutional investors, Janus International (JBI) drew the most net new fund positions in Q2 2026: 53 funds opened new positions, taking total fund holders up 22 (11%) quarter-over-quarter.

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