What SIS Technologies does

SIS-TECH Solutions LP is a Houston, Texas-based process safety engineering firm operating as a Texas limited partnership with 101–250 employees. The company designs, implements, tests, and maintains Safety Instrumented Systems (SIS) for industrial process facilities, with a stated focus on compliance with IEC 61511, ISA 84, and OSHA Process Safety Management standards. Its primary customers are enterprise operators and engineering teams in petroleum refining, petrochemicals, specialty chemicals, oil and gas, and adjacent process industries; named engagements include SIS loop testing and Site Acceptance Testing for Valero Port Arthur, HAZOP work for Chevron, Triconex-based SIS implementation for BP, PHA/LOPA facilitation for Calcasieu Refining, and safety integrity analysis for Brookhaven National Laboratory.

The company monetizes through a mix of professional services and proprietary software. Services include Loss Prevention studies (HAZOP, LOPA, FMEA, PHA, Bow Tie, consequence analysis, Functional Safety Assessments), S.C.A.I. (Safety Controls, Alarms, and Interlocks) testing, planning, maintenance and turnaround support, Systems Integration including FAT/SAT and FEED, ICE field services, and ICE-Tablet-enabled field data collection. Proprietary, registered-trademark products include DIAMOND-SIS® (a long-running Safety Instrumented System product marketed on a "proven in use" basis), SIL Solver® (Safety Integrity Level verification software), and ICE-Manager™ (instrumentation, controls, and electrical management application). Pricing is quote-based with multi-year contracts.

Go-to-market is enterprise field sales, supported by thought-leadership channels: technical publications in journals such as Process Safety Progress, Chemical Engineering Progress, Hydrocarbon Processing, and the Instrument Engineers Handbook; active participation in AIChE, ISA, OTC, and Mary Kay O'Connor Process Safety Center conferences; a YouTube channel and Constant Contact newsletter; and SIS-TECH University, which delivers TÜV Functional Safety Engineer certification and other training courses. The website is localized into English, Spanish, Portuguese, Italian, and Chinese, and the firm has presented internationally (Venice, Melbourne), pointing to selective international reach on top of a US-headquartered operating base.

Name

SIS Technologies

Legal name

SIS-TECH Solutions LP

Website

https://sis-tech.com

Company type

Private

Founded year

2011

Operating status

Operating

Headcount range

101–250 employees

Short description

SIS-TECH Solutions LP is a Houston-based process safety engineering firm delivering Safety Instrumented System design, SIL verification software, and consulting (HAZOP, LOPA, FAT/SAT, training) to refining, petrochemical, chemical, and government process-industry clients.

Ownership category

akta.pro rank

Product category

Industrial Process Safety Services

NAICS

Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Measuring & Controlling Devices, Nec (3829)

akta.pro primary industry

Safety Instrumented Systems & Machine Safety Control (SIS, Safety PLCs, Relays) (IMAGABAF)

akta.pro secondary industries

Instrumentation, Controls & Automation (DCS/PLC/SCADA, SIS, Metering) (EUAEAFAC), Safety Systems & SIS Security (Functional Safety / Triconex-class) (HDADAJAI)

Keywords

• Process safety services
• Safety instrumented systems
• Functional safety consulting
• SIL verification
• Industrial process automation

Headquarters

HQ city

Houston

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Professional Services - SIS Consulting: Core revenue stream from consulting and engineering services for Safety Instrumented Systems including design, implementation, testing, FAT/SAT procedures, and proof test procedures for industrial clients.
2. Training Services: Revenue from SIS-TECH University providing training courses including TÜV Functional Safety Engineer Certification, SIS Implementation, SIL Verification, LOPA, PHA, and Alarm Management training.
3. Software Tools: Licensing and sales of proprietary software tools including SIL Solver for SIL verification calculations and ICE-Manager for instrumentation and controls management.
4. Field Services: On-site services including instrumentation, controls and electrical work, turnarounds, and QA/QC services for process facilities.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

SIS-TECH Solutions LP (SIS Technologies) designs, implements, tests, and maintains Safety Instrumented Systems (SIS) and related process safety solutions for industrial operators. The company sells proprietary products (DIAMOND-SIS®, SIL Solver®, ICE-Manager™) and delivers professional services including HAZOP/LOPA studies, S.C.A.I. lifecycle services, FAT/SAT testing, FEED engineering, and TÜV-certified functional safety training through SIS-TECH University.

Product overview

SIS-TECH offers a portfolio of three core software products: DIAMOND-SIS® (safety instrumented system for process safety management), ICE-Manager™ (instrumentation, controls, and electrical management), and SIL Solver® (safety integrity level verification tool). These are complemented by professional services including S.C.A.I. (Safety Controls, Alarms, and Interlocks), Loss Prevention services (HAZOP, LOPA, FMEA), Systems Integration (FAT/SAT, FEED), ICE field services, and training programs through SIS-TECH University. The company serves the industrial process safety sector with a focus on IEC 61511 and ISA 84 compliance.

Differentiator

Problem solved

Functional benefit

Brands

• DIAMOND-SIS®: Long history of reliable operation with the Diamond-SIS product.
• ICE-Manager™
• SIL Solver®

Products and services

• DIAMOND-SIS® Proprietary Safety Instrumented System product designed for safeguarding process controls in industrial process safety environments, providing reliable operation for refinery and chemical operators.
• ICE-Manager™ Software application for managing instrumentation, controls, and electrical systems across industrial facilities, supporting field services and process automation workflows.
• SIL Solver® Software tool for Safety Integrity Level (SIL) verification and calculation, used in SIS implementation and validation for industrial process safety projects.
• S.C.A.I. Services (Safety Controls, Alarms and Interlocks) Lifecycle services for Safety Controls, Alarms, and Interlocks covering design, installation, testing, planning, maintenance, and turnaround execution at client process facilities.
• Loss Prevention Services Risk analysis and loss prevention services including HAZOP, LOPA, FMEA, Bow Tie analysis, PHA facilitation, Risk Management Plans, Consequence Analysis, and Functional Safety Assessments for process safety management.
• Systems Integration Engineering and integration services including Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), and Front-End Engineering Design (FEED) for process safety and automation projects.
• ICE Services (Instrumentation, Controls and Electrical) On-site Instrumentation, Controls and Electrical (ICE) field services including turnaround support and QA/QC, leveraging the ICE-Tablet tool for field data collection.
• SIS-TECH University Training Services Structured training and certification programs including TÜV Functional Safety Engineer Certification, SIS Implementation, SIL Verification, LOPA, PHA, and Alarm Management courses for process safety and engineering professionals.

Named customers8 records

Segments4 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Scale indicators3 records

Recent moves5 records

Expansion highlights4 records

Direct peers

• ioMosaic Corporation: ioMosaic is a process safety and risk management consultancy delivering HAZOP, LOPA, PHA, SIL, and quantitative risk services to chemical, petrochemical, and oil & gas clients — overlapping directly with SIS-TECH's Loss Prevention and SCAI service lines.
• AcuTech Consulting Group: AcuTech is a process safety, security, and emergency management consultancy serving oil & gas, petrochemical, and chemical customers — directly comparable in size, scope, and target customer to SIS-TECH's consulting practice.
• exida: exida is one of the closest direct peers — an independent functional safety and SIS services firm offering SIL verification, training (CFSE/CFSP), and consulting under IEC 61511/61508, competing head-to-head with SIS-TECH for the same refinery and chemical customers.

Broad incumbents

• Honeywell Process Solutions: Honeywell offers integrated SIS hardware (Safety Manager), software, and lifecycle services — the dominant incumbent SIS vendor globally that SIS-TECH often integrates with or around on customer projects.
• Emerson Automation Solutions: Emerson's DeltaV SIS and related lifecycle services compete with SIS-TECH's service offering in refining and petrochemicals, particularly where customers prefer a single-vendor automation stack.
• Jensen Hughes: Jensen Hughes is a larger engineering and consulting firm with deep process safety, fire protection, and risk practice areas serving industrial and infrastructure clients — a broader incumbent with overlapping SIS-adjacent capabilities.
• Rockwell Automation (ICS Triplex / Aadvance): Rockwell's ICS Triplex/Triconex safety PLC platform underpins many SIS implementations that SIS-TECH designs and validates (including the BP Triconex project), making Rockwell both a technology partner and an indirect competitor on services.
• ABS Group: ABS Group provides process safety, risk management, and reliability consulting across multiple industrial verticals including oil & gas and chemicals; broader portfolio and corporate backing than SIS-TECH but directly overlapping on PSM, SIS, and functional safety services.
• TÜV SÜD: TÜV SÜD is a global testing, certification, and functional safety services organization whose Functional Safety Engineer certification program competes with SIS-TECH University, and whose process safety practice overlaps with SIS-TECH's consulting lines.

Emerging players

• DEKRA: DEKRA provides functional safety testing, certification, and process safety services globally; a credible emerging competitor in the same SIS/functional safety services space, particularly in European and Latin American markets.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• YouTubeyoutube.com/user/SISTECHSolutions

Revenue estimate

Valuation estimate

Number of profiles

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 SIS Technologies