Small-cap public equities tied to the data-center buildout

Arteris licenses semiconductor system IP that helps chipmakers design complex system-on-chip products.

Syntec Optics manufactures precision optical components and photonics assemblies for defense, medical, communications, and consumer applications.

Aeluma develops compound-semiconductor technologies for sensing, communications, and other high-performance electronics markets.

Silvaco provides electronic design automation software, semiconductor IP, and simulation tools for chip design and manufacturing.

Babcock & Wilcox provides energy and environmental technologies, boilers, and services for industrial and utility customers.

CECO Environmental designs and sells air quality, fluid handling, separation, and industrial ventilation systems.

Senstar provides perimeter intrusion detection, video management, and access control products for physical security applications.

CTS designs and manufactures sensors, actuators, and electronic components for transportation, industrial, medical, and aerospace markets.

FuelCell Energy develops stationary fuel-cell platforms that generate power, heat, hydrogen, and carbon-capture solutions.

Thermon provides industrial process heating, temperature maintenance, and environmental heating systems.

Allient designs and manufactures precision motion, control, and power products for industrial and commercial applications.

Bird Construction provides construction services for commercial, institutional, industrial, and infrastructure projects across Canada.

Broadwind manufactures heavy fabrications, gearing, and industrial solutions for wind energy, mining, oil and gas, and other markets.

Badger Infrastructure Solutions provides hydrovac excavation and related non-destructive digging services for infrastructure work.

Ideal Power develops bidirectional power semiconductor switches for electric vehicles, renewable energy, and industrial power applications.

Willdan provides energy efficiency, engineering, grid planning, and municipal consulting services.

Bowman Consulting provides engineering, planning, surveying, and project management services for infrastructure and real estate projects.

NET Power develops natural-gas power generation technology designed to produce low-emission electricity.

Knightscope develops autonomous security robots and emergency communication devices for public safety and facility monitoring.

Clean Energy Technologies develops heat recovery, renewable energy, and power generation systems for commercial and industrial customers.

CSP provides IT integration, managed services, cybersecurity, and packet-processing products for enterprise and government customers.

Identiv provides RFID, NFC, access control, and identity products for security, authentication, and connected-device applications.

AirJoule Technologies develops atmospheric water harvesting and energy-efficient dehumidification systems.

ADTRAN provides fiber access, networking, and cloud-managed connectivity equipment for broadband and communications providers.

A10 Networks provides application delivery, load balancing, DDoS protection, and cybersecurity products for service providers and enterprises.

Applied Optoelectronics designs and manufactures optical networking products, lasers, and fiber-optic components.

MaxLinear designs mixed-signal and radio-frequency semiconductors for broadband, connectivity, infrastructure, and industrial applications.

Vicor designs and manufactures high-performance power modules and power systems for computing, industrial, automotive, and aerospace customers.

Hammond Power Solutions manufactures dry-type transformers, power quality products, and related magnetic components.

Perma-Pipe manufactures insulated piping systems and leak detection products for energy, chemical, district heating, and industrial markets.

Duos Technologies develops intelligent vision, inspection, and automation systems for rail, logistics, and critical infrastructure customers.

AXT manufactures compound-semiconductor substrates including gallium arsenide, indium phosphide, and germanium wafers.

Aehr Test Systems provides semiconductor test and burn-in equipment for wafer-level and packaged-device production.

Optical Cable Corporation manufactures fiber-optic and copper cabling products for enterprise, industrial, military, and broadcast networks.

RF Industries designs and distributes interconnect products, cable assemblies, and network components for communications markets.

Bel Fuse designs and manufactures power conversion, circuit protection, magnetic, and connectivity products.

Electrovaya designs and manufactures lithium-ion battery systems for material handling, transportation, and stationary energy applications.

Silicom designs and manufactures networking cards, edge platforms, and connectivity hardware for communications and security applications.

Cohu provides semiconductor test handlers, inspection equipment, interface products, and related services.

Ameresco develops energy efficiency, renewable energy, and infrastructure projects for commercial, institutional, and government customers.

Rogers Corporation manufactures engineered materials used in electronics, electric vehicles, communications, and industrial applications.

Standex International manufactures electronics, engraving, scientific, specialty, and engineering products for industrial markets.

Methode Electronics designs and manufactures custom-engineered user interfaces, sensors, power products, and electronic assemblies.

Mattr provides composite systems, protective technologies, and pipeline products for energy, infrastructure, and industrial markets.

Power Solutions International designs and manufactures engines and power systems for industrial, transportation, and energy applications.

Unisys provides digital workplace, cloud, enterprise computing, and business process solutions for large organizations.

Arqit develops encryption and network security software built around symmetric key agreement technology.

ESS Tech manufactures iron-flow battery systems for long-duration energy storage applications.

GSI Technology designs and sells high-performance memory products and associative computing technology.

POET Technologies develops photonic integration platforms and optical engine products for communications and computing markets.

SkyWater Technology operates a semiconductor foundry that develops and manufactures specialty integrated circuits.

ACM Research provides wafer cleaning, plating, and other process equipment for semiconductor manufacturing.

NetScout provides service assurance, network visibility, cybersecurity, and performance management products.

Atomera licenses semiconductor materials technology intended to improve transistor performance and manufacturing economics.

Everspin Technologies designs and sells magnetoresistive random-access memory products for industrial and enterprise systems.

Innodata provides AI training data, data engineering, and content transformation services for technology and enterprise customers.

Benchmark Electronics provides electronics manufacturing, engineering, and supply-chain services for aerospace, defense, medical, and industrial customers.

American Superconductor provides power electronics, grid systems, and ship protection products.

Shenandoah Telecommunications provides fiber broadband, wireless backhaul, and telecommunications services in the Mid-Atlantic region.

NVE develops spintronic sensors, couplers, and memory-related devices for industrial, medical, and scientific applications.

ePlus provides technology solutions, financing, cloud, security, networking, and managed services for enterprise customers.

Veeco designs and manufactures semiconductor process equipment for laser, photonics, display, and advanced packaging applications.

PDF Solutions provides analytics software and services that help semiconductor companies improve yield and manufacturing performance.

Pioneer Power Solutions manufactures power systems, switchgear, and mobile electric charging products.

Inseego develops 5G mobile broadband, fixed wireless access, and IoT connectivity products.

Peraso develops millimeter-wave wireless chipsets and modules for high-speed fixed wireless and consumer electronics applications.

CEVA licenses signal processing, AI, wireless, and sensing IP for semiconductor and device makers.

ATN International owns and operates communications networks and renewable energy assets in rural and underserved markets.

Penguin Solutions provides high-performance computing, memory, and advanced technology infrastructure for enterprise and government customers.

Data Storage Corporation provides cloud hosting, managed IT, disaster recovery, and business continuity services.

Soluna develops modular computing facilities powered by renewable energy and sells computing services for blockchain and AI workloads.

Backblaze provides cloud storage, computer backup, and object storage services for consumers, developers, and businesses.

One Stop Systems designs rugged high-performance computing hardware, flash storage, and AI transportable systems.

TSS provides integration, deployment, maintenance, and facility services for technology infrastructure customers.

Jet. AI develops aviation software, charter booking tools.

Solaris Energy Infrastructure provides mobile power, logistics, and equipment services for energy and industrial customers.

Matrix Service Company provides engineering, fabrication, construction, and maintenance services for energy and industrial infrastructure.

Lightbridge develops advanced nuclear fuel technology for commercial reactors.

Mayville Engineering provides contract manufacturing, metal fabrication, coating, assembly, and engineering services.

Orion Group Holdings provides marine and concrete construction services for infrastructure, industrial, and commercial projects.

Climb Global Solutions distributes software, cybersecurity, cloud, and connectivity products through a global reseller network.

Digi Power X develops digital asset mining operations and energy-backed computing infrastructure.

TPI Composites manufactures composite wind blades and related products for the wind energy industry.

Capstone Green Energy provides microturbine-based energy systems and aftermarket services for distributed power applications.

NN manufactures high-precision components and assemblies for automotive, medical, aerospace, and industrial customers.

Hammond Manufacturing makes electrical enclosures, racks, cabinets, outlet strips, and related hardware.

Tutor Perini provides civil, building, and specialty construction services for public and private customers.

Tetra Tech provides consulting, engineering, program management, and technical services for water, environment, infrastructure, and energy projects.

Westell Technologies develops communications network equipment, remote monitoring systems, and site-management products.

Mistras provides testing, inspection, monitoring, and asset protection services for industrial infrastructure.

RCM Technologies provides engineering, specialty health care staffing, and information technology services.

Vertical Data provides financing and services for edge computing and digital infrastructure projects.

NV5 Global provides engineering, inspection, environmental, geospatial, and consulting services for infrastructure and real estate projects.

Heliogen develops concentrated solar energy systems for industrial heat, power, and clean fuel applications.

WideOpenWest provides broadband internet, video, voice, and business communications services in U. S.

Emeren develops, owns, and operates solar energy projects and battery storage assets globally.

Gulf Island Fabrication provides fabrication, shipyard, and services work for industrial and energy customers.