What SL Corporation does

SL Corporation (legal name Sherrill-Lubinski Corporation, operating as RTView) is a privately-held US software company founded in 1983 and headquartered in Corte Madera, California. The company builds non-intrusive application and middleware monitoring solutions centered on its RTView platform, which provides consolidated, real-time visibility across heterogeneous middleware environments — including TIBCO, Apache Kafka, Solace PubSub+, and IBM MQ — without imposing performance overhead on monitored systems. Its product architecture combines a packaged RTView Enterprise Edition (end-to-end visibility from physical infrastructure through middleware to end-user experience), an RTView Core IDE for building custom monitoring systems, and a portfolio of specialized add-on modules for individual middleware technologies. SL Corporation serves Fortune 500 enterprises across financial services, airlines, consumer goods, pharmaceuticals, telecom, insurance, payments, logistics, and conglomerates, with named customers including Wells Fargo, Citibank, ING, BNP Paribas, TD Securities, Southwest Airlines, United Airlines, Allstate, Clorox, Macy's, DirecTV, Worldpay, GE, and OOCL.

The company monetizes through recurring enterprise software licensing of its RTView platform and specialized modules, supplemented by a self-serve free-trial acquisition channel that funnels prospects into enterprise field sales for large deployments. Go-to-market is hybrid: product-led growth via the 'Start for FREE' trial alongside direct enterprise sales motions targeting organizations with complex middleware infrastructure. SL Corporation claims measurable operational outcomes for customers — notably an 80%-100% reduction in Severity 1 incidents (e.g., Wells Fargo from 12 to 0; Citibank to 0) and dramatically reduced Mean Time to Resolution — which anchor its value proposition around proactive, root-cause-aware monitoring rather than reactive failure notification. The company has been self-sustaining since founding, with no disclosed outside equity capital, and operates with a lean 51-100 person organization.

Name

SL Corporation

Legal name

Sherrill-Lubinski Corporation

Website

https://sl.com

Company type

Private

Founded year

1983

Operating status

Operating

Headcount range

51–100 employees

Short description

SL Corporation, operating as RTView, provides non-intrusive middleware and application monitoring software to Fortune 500 enterprises across financial services, airlines, telecom, consumer goods, and logistics — consolidating health metrics across TIBCO, Kafka, Solace, and IBM MQ platforms.

Ownership category

akta.pro rank

Product category

Middleware Monitoring Software

NAICS

Computer Systems Design and Related Services (54151), Custom Computer Programming Services (541511), Computer Systems Design Services (541512)

SIC

Services-Computer Integrated Systems Design (7373), Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Network Performance, Visibility & SLA Monitoring (Managed NPM/Observability) (HDAIAFAI)

Keywords

• Middleware monitoring
• Application performance monitoring
• Real-time visualization software
• IT infrastructure monitoring
• Message broker monitoring

Headquarters

HQ city

Corte Madera

HQ country

United States

HQ region

North America

Markets served

GTM type

B2B

Offering type

Software

Cost components

Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations

Revenue model

1. RTView Software Licenses and Subscriptions: Enterprise software licensing model for RTView middleware monitoring solutions including Enterprise Edition and specialized monitoring products for TIBCO, Kafka, Solace, and IBM MQ platforms. Customers can start with free trials and expand to paid licenses.

Pricing tiers

Go-to-market motion2 records

Distribution channels2 records

Marketing channels7 records

Core offering

SL Corporation develops and sells RTView, a non-intrusive application and middleware monitoring platform that delivers real-time visibility, consolidated health metrics, root-cause identification, and proactive alerting across heterogeneous middleware environments (TIBCO, Kafka, Solace PubSub+, IBM MQ) for large enterprise customers. Its product line spans the RTView Enterprise Edition packaged monitoring solution, the RTView Core SDK/IDE for building custom monitoring systems, and specialized modules for Kafka, Solace, TIBCO, and IBM MQ.

Product overview

SL Corporation offers RTView as a unified platform-plus-modules product architecture. The core RTView Enterprise Edition provides comprehensive real-time monitoring for applications and middleware, while specialized add-on modules (RTView for Kafka Monitoring, RTView Solace Monitoring, RTView for TIBCO Monitoring, RTView Integrations) address specific middleware technologies. RTView Core serves as the development foundation for custom monitoring solutions, and SL-GMS Development Tools extend the portfolio for real-time visualization applications. The product line is unified by core monitoring capabilities that consolidate health metrics across heterogeneous middleware infrastructure, enabling enterprises to proactively detect anomalies and reduce incident response times.

Differentiator

Problem solved

Functional benefit

Brands

• RTView: Real-time middleware monitoring solution for enterprise applications
• RTView Core
• RTView Enterprise Edition
• SL-GMS Development Tools

Products and services

• RTView Enterprise Edition Comprehensive real-time monitoring solution for enterprise applications and the underlying middleware technologies they run on, providing end-to-end visibility from physical infrastructure through middleware to end-user experience with consolidated health metrics, proactive stress monitoring, and cross-tier performance correlation. Targeted at large enterprises with complex, heterogeneous middleware environments.
• RTView Core High-performance SDK/IDE that enables developers to build custom real-time monitoring systems using RTView technology. Targeted at engineering teams requiring configurable, custom-built monitoring dashboards and applications.
• RTView for Kafka Monitoring Specialized monitoring solution for Apache Kafka environments that can operate standalone as a Kafka-only monitor or integrate within the larger RTView Enterprise Edition for comprehensive visibility into Kafka-based services and applications. Targeted at enterprises running Kafka-based data pipelines and event-driven architectures.
• RTView Solace Monitoring Easy-to-use and easy-to-configure monitoring platform for Solace PubSub+ message brokers, enabling centralized monitoring of all Solace message brokers in one place. Targeted at enterprises running Solace PubSub+ event-driven messaging infrastructure.
• RTView for TIBCO Monitoring Specialized monitoring solution for TIBCO middleware technology environments, leveraging SL Corporation's expertise in TIBCO monitoring since 2002. Targeted at enterprises operating TIBCO middleware platforms requiring deep domain-specialized visibility.
• RTView Integrations (including IBM MQ) Additional monitoring integrations including IBM MQ and other middleware technologies, providing comprehensive coverage of legacy and modern messaging middleware within the RTView monitoring framework. Targeted at enterprises with heterogeneous middleware estates that include IBM MQ and other legacy systems.
• SL-GMS Development Tools Development tools product line for building real-time visualization and monitoring applications, complementing the RTView product family. Targeted at developers building custom real-time visualization applications.

Quantifiable outcome

• Wells Fargo reduced Severity 1 incidents from 12 to 0 with RTView
• +4 more outcomes

Named customers14 records

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

AI capability3 records

Feature7 records

Partnerships

One partnership is on record.

• Apache KafkacoreTechnology or IntegrationRTView provides specialized monitoring for Apache Kafka deployments, offering Kafka-only monitoring or integration within the larger RTView Enterprise Edition system for comprehensive visibility into Kafka-based services and applications.

Scale indicators11 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Datadog: Datadog is a large cloud-native observability platform offering APM, infrastructure monitoring, and log management. It competes with SL Corporation in the broader application performance and middleware monitoring space, though SL Corp specializes in deeper middleware visibility while Datadog offers a much wider portfolio.
• Dynatrace: Dynatrace provides enterprise APM and observability with AI-driven root cause analysis. It targets similar large enterprise buyers and overlaps with SL Corporation on application and middleware health monitoring, but Dynatrace covers a broader technology surface area.
• New Relic: New Relic offers full-stack observability including APM, infrastructure, and logs for enterprise applications. It serves similar enterprise customers needing application performance insight and represents a broader incumbent alternative to SL Corporation's specialized middleware monitoring.
• Splunk: Splunk (now part of Cisco) provides log analytics, observability, and monitoring for IT operations. It overlaps with SL Corporation on infrastructure and application performance monitoring for large enterprises, but with a much broader data analytics footprint.
• Cisco AppDynamics: AppDynamics is a Cisco-owned APM platform providing application performance monitoring and business transaction tracing. It serves the same Fortune 500 enterprise buyer profile as SL Corporation and competes for application middleware monitoring budgets.
• Netscout Systems (Omnis): Netscout provides network and application performance monitoring for service providers and large enterprises. It overlaps with SL Corporation's middleware monitoring capabilities, especially in financial services and telecom, though Netscout has a heavier network-layer focus.
• SolarWinds Observability: SolarWinds provides IT infrastructure and application monitoring including APM, database, and middleware visibility. It competes for monitoring budgets at large enterprises but typically at different price points and with a broader, less specialized product set than SL Corporation.

Direct peers

• IBM Instana: Instana (owned by IBM) provides automated APM and observability with a focus on dynamic, microservices-based environments. It competes more directly with SL Corporation in the enterprise APM space and is particularly relevant given SL Corp's IBM MQ monitoring capability and IBM's ownership of MQ.

Emerging players

• Catchpoint: Catchpoint offers digital experience and network performance monitoring with an emphasis on visibility across complex enterprise environments. It addresses similar use cases to SL Corporation's multi-vendor middleware monitoring for large enterprises, but with a different deployment model.
• ManageEngine Applications Manager: ManageEngine (Zoho) offers an APM and infrastructure monitoring suite that covers middleware, databases, and applications. It addresses the same enterprise IT monitoring problem as SL Corporation, though typically serving a more mid-market segment with broader, less specialized tooling.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key highlights7 records

Customer concentration

• Xx.com/SLCorporation
• YouTubeyoutube.com/user/slrtview
• Facebookfacebook.com/129229800516010
• LinkedInlinkedin.com/company/sl-corporation

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about SL Corporation