Insights

Target Net New Private optical networking specialist with a long track record, funding via Len Bosack, and recent high-profile product launches indicate readiness to expand selling efforts into data centers and hyperscale environments, presenting opportunities for new DWDM deployments and integrated optics.

Data Center Focus Recent press releases introduce MediaLight product line and data center interconnect capabilities optimized for AI/HPC workloads, signaling a clear upsell path to data center operators and cloud providers seeking high-bandwidth, low-latency L1 solutions.

OSS/MS Ecosystem Tech stack includes Google Cloud, Cisco, Shopify, and iCIMS, suggesting potential integration and channel opportunities with major cloud and enterprise ecosystems, enabling co-sell or partner-led go-to-market motions.

Product Maturity & Upgrades Frequent software and hardware updates (DXMOS v5.2, new SpectraPath Illuminator, Patch Panel, DarkStar DAT100) indicate ongoing product modernization, presenting upsell opportunities to customers with existing XKL deployments for expansions and feature enhancements.

Mid-Market Expansion Revenue range and employee size place XKL between niche specialists and large incumbents, making a compelling case for targeted mid-market operators and regional service providers seeking cost-effective, build-to-order L1 optical solutions with strong reliability.

Similar companies to XKL

XKL Tech Stack

XKL uses 8 technology products and services including iCIMS, SOLIDWORKS, Shopify, and more. Explore XKL's tech stack below.

Media & News

XKL's Email Address Formats

XKL uses at least 3 email formats:
XKL Email FormatsExamplePercentage
FLast@xkl.comJDoe@xkl.com
71%
First@xkl.comJohn@xkl.com
16%
Last@xkl.comDoe@xkl.com
13%

Frequently Asked Questions

What is XKL's phone number?

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You can contact XKL's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is XKL's official website and social media links?

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XKL's official website is xkl.com and has social profiles on LinkedIn.

How much revenue does XKL generate?

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As of August 2026, XKL's annual revenue is estimated to be $25M - $50M.

What is XKL's NAICS code?

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XKL's NAICS code is 517 - Telecommunications.

How many employees does XKL have currently?

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As of August 2026, XKL has approximately 72 employees across 5 continents, including North America, Asia and Europe. Key team members include Manager Simulation And Test: M. B., Senior Sales Engineer: J. F. and Compiler Engineer: A. G. Explore XKL's employee directory with LeadIQ.

What industry does XKL belong to?

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XKL operates in the Telecommunications industry.

What technology does XKL use?

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XKL's tech stack includes iCIMS, SOLIDWORKS, Shopify, Mailchimp, Google Cloud, Cisco, Paylocity and Piwik PRO Core.

What is XKL's email format?

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XKL's email format typically follows the pattern of FLast@xkl.com. Find more XKL email formats with LeadIQ.

When was XKL founded?

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XKL was founded in 1991.
XKL logo

XKL

TelecommunicationsWashington, United States51-200 Employees

XKL is a mid-sized telecommunications company based in Redmond, Washington, that specializes exclusively in optical networking. It builds and deploys build-to-order yet cost-effective DWDM solutions, with Layer 1 optical networking capabilities designed to meet demanding network requirements. Privately owned by Len Bosack, co-founder of Cisco Systems, XKL carries a mission aligned with delivering reliable, easy-to-use data communication solutions accessible to all. 

The company serves businesses of all sizes, collaborating to expand and reimagine networks. In the telecommunications landscape, it positions itself as a specialist provider of high-capacity optical transport and DWDM systems. In May 2026, XKL announced the availability of the SpectraPath Illuminator, reflecting ongoing product development.

Section iconCompany Overview

Phone number
Website
xkl.com
NAICS Code
517 - Telecommunications
Founded
1991
Employees
51-200

Section iconFunding & Financials

  • $25M - $50M

    XKL's revenue is estimated to be in the range of $25M - $50M

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