# ESC Spectrum

> ESC Spectrum supplies emissions-monitoring software, data controllers, integrated systems and technical services for industrial facilities. Its StackVision and Prism products help collect, validate and report emissions data, while engineering, maintenance, reporting and IT teams support the equipment and compliance workflow. Alliance Technical Group acquired the business in July 2025.

- **Founded:** 1969
- **Headquarters:** Austin, United States
- **Founders:** H. Gordon Jones (Founder of Spectrum Systems, Inc., the 1981 predecessor acquired by ESC in 2018)
- **Products:** StackVision, Prism, 8864 Data Controller, QAInsight, FleXReports
- **Notable:** Alliance reports more than 3,100 air emission sources using StackVision., ESC Spectrum reported 200 employees in November 2023., Announced a successful Integrated Path CEMS demonstration for Part 75 applications in April 2025.

## Products & services

- **StackVision** — Configurable emissions DAS with monitoring dashboards, data review, QA tools and regulatory reporting.
- **Prism** — Scalable Windows and SQL Server DAS for stand-alone and enterprise environments.
- **8864 Data Controller** — Collects analog and digital signals, calculates, stores and transmits emissions-monitoring data.
- **QAInsight** — Schedules, plans and tracks emissions quality-assurance testing.
- **FleXReports** — Subscription software for exporting StackVision data into Microsoft Excel and fleetwide reports.
- **RATAView** — Software supporting relative accuracy test audits for stack testers.
- **CEMDAS and COMDAS Evolution** — Data acquisition offerings added through Monitoring Solutions.
- **Integrated CEMS and field services** — Custom system engineering, integration, maintenance, calibration, analyzer repair and training.
- **DASProtect** — Support and maintenance agreements with Sentry and Fortress tiers for StackVision; Fortress for Prism.
- **Regulatory, reporting and IT services** — Data validation, report preparation, system configuration, server hosting and infrastructure support.
- **Integrated Path CEMS** — Optical in-stack monitoring demonstrated for gas-turbine combined-cycle applications with EPRI and Unisearch.

## Achievements

- Alliance reports more than 3,100 air emission sources using StackVision.
- ESC Spectrum reported 200 employees in November 2023.
- Announced a successful Integrated Path CEMS demonstration for Part 75 applications in April 2025.
- A vendor-published unnamed petrochemical case reports more than $278,000 in savings and a 50% reduction in gas-chromatograph emergency work orders; these are case-specific claims.

## Latest updates

- **2025-04** — Announced Integrated Path CEMS demonstration with EPRI, Unisearch and utilities; ESC Spectrum says EPA supported its design meeting Part 75 requirements.
- **2025-07** — Alliance Technical Group announced its acquisition of ESC Spectrum; the announcement identifies Morgan Stanley Capital Partners as Alliance’s backer.

## Links

- Website: https://escspectrum.com/
- LinkedIn: https://www.linkedin.com/company/escspectrum/
- Twitter/X: https://twitter.com/esc_software
- YouTube: https://www.youtube.com/escspectrum
- Facebook: https://facebook.com/escspectrum

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Profile page: https://yespress.io/esc-spectrum
Published by YesPress — https://yespress.io
Last updated: 2026-10-01
