Alternatives to Finisar
The top Optical Communication companies similar to Finisar, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Broadcom91SemiconductorsPalo Alto, United States$143.0B
Enablence42Photonic Chip DesignOttawa, Canada$49.3M- LULumentum66SemiconductorsSan Jose, United States$2.0B
EDWATEC40Photonic Integrated CircuitsZurich, Switzerland$2.9M
Celestial AI85NeocloudSanta Clara, United States$505.0M
Mellanox Technologies75SemiconductorYokneam, Israel$100.0M
KIOXIA70SemiconductorTokyo, Japan$3.6B
eSilicon66SemiconductorSan Jose, United States$100.0M
Retym63SemiconductorSan Jose, United States$130.4M
Phononics63DiamondDurham, United States
Eridu60Artificial IntelligenceSaratoga, United States$200.0M
AttoTude55AI HardwareSan Jose, United States$52.0M
Aquantia55SemiconductorFremont, United States$70.0M
Aloe Semiconductor52SemiconductorSan Jose, United States$15.0M
Electro Rent Corporation50Equipment Rental & LeasingWest Hills, United States$382.0M
Optoplex50Photonic ComponentsFremont, United States$6.0M- AEAEPONYX48SemiconductorMontreal, Canada$7.8M
Ananda Networks46IoTSan Jose, United States$16.0M- ARAria Networks44Artificial IntelligenceSan Jose, United States$149.0M
YEESTOR44AI ChipShanghai, China$47.8M
Eblana Photonics43SemiconductorDublin, Ireland$5.7M
Toshiba41Quantum TechnologyTokyo, Japan$63.0M
Micron Technology40Enterprise SoftwareBoise, United States$1.3B
Cailabs40Optical ComponentsLannion, France$98.8M
Micron40SemiconductorBoise, USA- OPOpenLight31Silicon PhotonicsSanta Barbara, United States$214.0M
Photonic Systems24Photonic Chip DesignBillerica, United States$10.0M
Tsofun205G
Silicom20Semiconductor- AEAeroflex / Inmet Inc1RF ComponentsAnn Arbor, United States
Apacer0Industrial SSDNew Taipei City, Taiwan
Mini-CircuitsRF ComponentsBrooklyn, United States
HeicoAerospaceHollywood, United States
Cisco95Internet of Things (IoT)San Jose, United States$220.0B- REReliance Industries89Artificial IntelligenceMumbai, India$110.0B
- ZAZayo Group85TelecommunicationsBoulder, United States$15.1B
Rogers85TelecommunicationsToronto, Canada$35.0B- COComcast85TelecommunicationsPhiladelphia, United States$27.0B
- REReliance Jio85TelecommunicationsMumbai, India$5.7B
Think Silicon85AI ChipPatras, Greece
Intel Corporation85Computer Vision HardwareSanta Clara, United States$134.0M- BTBT Group85TelecommunicationsLondon, United Kingdom$36.7B
- EREricsson85TelecommunicationsStockholm, Sweden$35.8B
HP85Enterprise$5.3B- OROrange85TelecommunicationsIssy-les-Moulineaux, France$45.0B
- SISingtel85TelecommunicationsSingapore, Singapore
Dish Network85TelecommunicationsMeridian, United States$5.1B
NVIDIA Corp84Professional VisualizationSanta Clara, United States$4.1B
Ricursive Intelligence82AI HardwareNew York, United States$965.0M
Nvidia82HardwareSanta Clara, United States$4.0B
Tesla81AutomotiveAustin, United States$7.7B
Cisco Systems80Networking HardwareSan Jose, United States$220.0B- SKSkype80TelecommunicationsLuxembourg City, Luxembourg$63.0M
Wiliot79IoTTel Aviv, Israel$344.0M
Pliops79StorageSanta Clara, United States$205.0M
Arista Networks Inc.76Networking HardwareSanta Clara, United States$11.7M- T-T-Mobile US75TelecommunicationsBellevue, United States
Jabil75ManufacturingSt. Petersburg, USA
Vertical Bridge75TelecommunicationsBoca Raton, USA$4.0B
Unconventional AI74AI HardwareSan Francisco, United States$475.0M
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Broadcom | Semiconductors | Palo Alto, United States | $143.0B | 91 |
| Enablence | Photonic Chip Design | Ottawa, Canada | $49.3M | 42 |
| LULumentum | Semiconductors | San Jose, United States | $2.0B | 66 |
| EDWATEC | Photonic Integrated Circuits | Zurich, Switzerland | $2.9M | 40 |
| Celestial AI | Neocloud | Santa Clara, United States | $505.0M | 85 |
| Mellanox Technologies | Semiconductor | Yokneam, Israel | $100.0M | 75 |
| KIOXIA | Semiconductor | Tokyo, Japan | $3.6B | 70 |
| eSilicon | Semiconductor | San Jose, United States | $100.0M | 66 |
| Retym | Semiconductor | San Jose, United States | $130.4M | 63 |
| Phononics | Diamond | Durham, United States | — | 63 |
| Eridu | Artificial Intelligence | Saratoga, United States | $200.0M | 60 |
| AttoTude | AI Hardware | San Jose, United States | $52.0M | 55 |
| Aquantia | Semiconductor | Fremont, United States | $70.0M | 55 |
| Aloe Semiconductor | Semiconductor | San Jose, United States | $15.0M | 52 |
| Electro Rent Corporation | Equipment Rental & Leasing | West Hills, United States | $382.0M | 50 |
| Optoplex | Photonic Components | Fremont, United States | $6.0M | 50 |
| AEAEPONYX | Semiconductor | Montreal, Canada | $7.8M | 48 |
| Ananda Networks | IoT | San Jose, United States | $16.0M | 46 |
| ARAria Networks | Artificial Intelligence | San Jose, United States | $149.0M | 44 |
| YEESTOR | AI Chip | Shanghai, China | $47.8M | 44 |
| Eblana Photonics | Semiconductor | Dublin, Ireland | $5.7M | 43 |
| Toshiba | Quantum Technology | Tokyo, Japan | $63.0M | 41 |
| Micron Technology | Enterprise Software | Boise, United States | $1.3B | 40 |
| Cailabs | Optical Components | Lannion, France | $98.8M | 40 |
| Micron | Semiconductor | Boise, USA | — | 40 |
| OPOpenLight | Silicon Photonics | Santa Barbara, United States | $214.0M | 31 |
| Photonic Systems | Photonic Chip Design | Billerica, United States | $10.0M | 24 |
| Tsofun | 5G | — | — | 20 |
| Silicom | Semiconductor | — | — | 20 |
| AEAeroflex / Inmet Inc | RF Components | Ann Arbor, United States | — | 1 |
| Apacer | Industrial SSD | New Taipei City, Taiwan | — | 0 |
| Mini-Circuits | RF Components | Brooklyn, United States | — | — |
| Heico | Aerospace | Hollywood, United States | — | — |
| Cisco | Internet of Things (IoT) | San Jose, United States | $220.0B | 95 |
| REReliance Industries | Artificial Intelligence | Mumbai, India | $110.0B | 89 |
| ZAZayo Group | Telecommunications | Boulder, United States | $15.1B | 85 |
| Rogers | Telecommunications | Toronto, Canada | $35.0B | 85 |
| COComcast | Telecommunications | Philadelphia, United States | $27.0B | 85 |
| REReliance Jio | Telecommunications | Mumbai, India | $5.7B | 85 |
| Think Silicon | AI Chip | Patras, Greece | — | 85 |
| Intel Corporation | Computer Vision Hardware | Santa Clara, United States | $134.0M | 85 |
| BTBT Group | Telecommunications | London, United Kingdom | $36.7B | 85 |
| EREricsson | Telecommunications | Stockholm, Sweden | $35.8B | 85 |
| HP | Enterprise | — | $5.3B | 85 |
| OROrange | Telecommunications | Issy-les-Moulineaux, France | $45.0B | 85 |
| SISingtel | Telecommunications | Singapore, Singapore | — | 85 |
| Dish Network | Telecommunications | Meridian, United States | $5.1B | 85 |
| NVIDIA Corp | Professional Visualization | Santa Clara, United States | $4.1B | 84 |
| Ricursive Intelligence | AI Hardware | New York, United States | $965.0M | 82 |
| Nvidia | Hardware | Santa Clara, United States | $4.0B | 82 |
| Tesla | Automotive | Austin, United States | $7.7B | 81 |
| Cisco Systems | Networking Hardware | San Jose, United States | $220.0B | 80 |
| SKSkype | Telecommunications | Luxembourg City, Luxembourg | $63.0M | 80 |
| Wiliot | IoT | Tel Aviv, Israel | $344.0M | 79 |
| Pliops | Storage | Santa Clara, United States | $205.0M | 79 |
| Arista Networks Inc. | Networking Hardware | Santa Clara, United States | $11.7M | 76 |
| T-T-Mobile US | Telecommunications | Bellevue, United States | — | 75 |
| Jabil | Manufacturing | St. Petersburg, USA | — | 75 |
| Vertical Bridge | Telecommunications | Boca Raton, USA | $4.0B | 75 |
| Unconventional AI | AI Hardware | San Francisco, United States | $475.0M | 74 |