Key Players
Competitive Landscape
The co-packaged optics optical engine cooling solutions field splits between direct liquid-cooling manufacturers, facility-infrastructure companies, photonics specialists and CPO switch-platform developers. Eaton, nVent and Ecolab own chip-to-fluid portfolios, whereas Vertiv and Schneider Electric extend cooling into facility infrastructure. Optical companies set package temperature and reliability limits that cooling hardware must satisfy.
Integration became a clearer competitive priority in March 2026 when Vertiv and Generate Capital formed a USA power-and-cooling infrastructure collaboration. Ecolab then completed its CoolIT Systems acquisition in July 2026 to add direct liquid cooling to its high-tech business. Competition now turns on package-to-facility delivery with field commissioning and service accountability.
Company developments mapped to drivers, trends and opportunities (2026-2036)
| Development | Driver | Trend | Opportunity |
|---|---|---|---|
| In May 2026 LiquidStack made its GigaModular CDU platform commercially available with capacity expanded to 14 MW. | Large AI campuses need higher coolant-distribution capacity before dense rack deployments can scale without multiplying plant interfaces. | CDU platforms are moving toward modular multi-megawatt capacity that can be expanded with campus growth. | Revenue is available in modular CDU blocks that let operators expand cooling capacity without redesigning every distribution loop. |
| In April 2026 Accelsius announced general availability of NeuCool IR150 and launched its HyperStart deployment program. | High-heat AI processors require direct-to-chip cooling that can enter production programs with a defined commissioning route. | Two-phase cooling suppliers are packaging hardware with deployment support instead of selling thermal components alone. | Platform qualification services can shorten the path from a thermal trial to repeat installations in dense AI racks. |
| In September 2025 Schneider Electric released NVIDIA GB300 reference designs with integrated liquid-cooling controls. | Operators need tested coordination between power and cooling before high-density AI racks enter construction schedules. | Reference architectures increasingly specify control behavior beside mechanical cooling hardware and electrical infrastructure. | Engineering services and validated controls can influence equipment selection before campus construction packages are frozen. |
Ecolab and nVent compete outside this development table through direct-liquid-cooling portfolios that cover chip-level hardware, coolant distribution and integration work for dense AI facilities.
Source: Future Market Insights, Co-Packaged Optics Optical Engine Cooling Solutions and AI Datacenter Liquid Cooling Market Reports, 2026-2036.
The main competitors collectively cover package cooling, CDUs, facility interfaces, photonic sources and CPO switching platforms within the optical-engine thermal envelope.
Who leads the co-packaged optics optical engine cooling solutions market?
Eaton, nVent and Ecolab are closest to direct liquid-loop revenue. Broadcom and Coherent shape CPO package requirements through integrated optics and switch architectures.
Which suppliers have documented qualification or quality approvals?
Schneider Electric documents NVIDIA-aligned reference designs, whereas Eaton and Vertiv publish commissioning or validation services that reduce liquid-loop deployment risk.
Which companies provide package-level and rack-level cooling products?
Eaton, nVent, Ecolab and Schneider Electric provide cold plates, manifolds or CDUs. Vertiv extends those functions into rack and facility infrastructure for high-density data-center deployments.
Which suppliers serve North America and Europe?
Eaton, nVent, Vertiv and Schneider Electric document operations or service coverage in North America and Europe. Ecolab extends multinational support through the acquired CoolIT Systems organization.
Representative Company Overview
| Company | Positioning | Verified Development |
|---|---|---|
| Eaton | Power and thermal-management provider with liquid-cooling integration extending from facility power to chip-level heat removal. | In August 2026 Eaton and Trane Technologies announced an integrated power-and-cooling reference design for NVIDIA DSX AI factories. |
| nVent | Liquid-cooling and power-infrastructure provider serving high-density data-center platforms through CDUs, manifolds and electrical systems. | In November 2025 nVent launched a liquid-cooling and power portfolio at SC25. |
| Vertiv | Data-center infrastructure company providing liquid cooling, power systems and fluid-management services for high-density facilities. | In December 2025 Vertiv completed its acquisition of PurgeRite to expand flushing, purging and filtration services for liquid-cooled facilities. |
| Schneider Electric | Facility and liquid-cooling platform provider through Motivair with controls and global infrastructure integration. | In February 2026 Schneider Electric opened a Motivair liquid-cooling factory in Bengaluru as its third production site for the technology. |
| Coherent | Photonics company supplying lasers and optical technologies used in CPO and silicon-photonics architectures. | In March 2026 Coherent and NVIDIA announced a multiyear optics partnership covering manufacturing capacity and research for next-generation AI infrastructure. |
| Broadcom | CPO switch-platform developer whose integrated optical engines set package power and thermal requirements. | In March 2026 Broadcom joined AMD, Meta, Microsoft, NVIDIA and OpenAI as a founding member of the Optical Compute Interconnect MSA. |
| Lumentum | Optical-component manufacturer supplying high-power InP lasers used in AI networking and CPO platforms. | In March 2026 Lumentum announced a 240,000-square-foot Greensboro facility for advanced InP optical-device production. |
| ZutaCore | Two-phase direct-to-chip cooling specialist serving high-density AI systems through waterless liquid-cooling technology. | In February 2025 ZutaCore and UNICOM Engineering formed an OEM agreement for globally warrantied HyperCooled AI servers. |
Research Methodology
The companies mapped here illustrate the market structure rather than an exhaustive ranking. Inclusion requires current verifiable evidence that a company supplies package-level or liquid-loop cooling for high-density optical networking within the defined market scope. Optical companies also qualify if their CPO components or switch platforms set optical-engine thermal requirements within the same scope. Evidence comes from regulatory approvals, third-party certifications, company announcements, product documentation and public filings. Capabilities are attributed to the stated liquid-cooling portfolio, CPO product family, optical component line or switch architecture rather than generalised across broader corporate portfolios. Market-share estimates remain proprietary FMI assessments for the forecast period.
