Key Takeaways
- Plex Systems is the category-leading cloud MES + ERP + QMS platform for North American automotive Tier 1 and Tier 2 suppliers, with approximately 700+ customers globally.
- Rockwell Automation business since the 2021 $2.22B acquisition.
- BizzContacts maintains 540+ verified Plex records with 99% accuracy and 97.5% inbox deliverability.
- Automotive Tier 1 and Tier 2 suppliers account for ~58% of customer count, the densest vertical concentration in any cloud manufacturing platform.
- Mid-market and mid-market enterprise (250-4,999 employees) form ~62% of the install base.
- United States accounts for ~70% of customers; North America (USA + Canada + Mexico) ~89%.
- Plex QMS provides deep IATF 16949 automotive, AS9100 aerospace, FDA 21 CFR Part 820 medical device, FSMA 21 CFR Part 117 food safety compliance.
- Plex Production Monitoring (post 2021 DATTUS acquisition) and Plex DemandCaster SCP create modern shop floor connectivity and supply chain planning.
Plex Install Base by the Numbers
Quotable statistics on the Plex install base, sourced from Rockwell Automation disclosures, PowerPlex conference materials, and BizzContacts proprietary verification.
What Is the Plex Systems Customers List?
The Plex Systems customers list is a verified, regularly refreshed database of automotive Tier 1 and Tier 2 suppliers, food and beverage manufacturers, aerospace manufacturers, plastics and rubber manufacturers, electronics and electronic assembly manufacturers, medical device manufacturers, and discrete manufacturers (typically 100-15,000+ employees) running Plex Smart Manufacturing Platform in production, with named CIO, VP Manufacturing, Plant Manager, Director of Quality, and manufacturing leadership at each account. Every record on the BizzContacts Plex list is tagged with the specific Plex products in production (Smart Manufacturing Platform unified brand, Plex ERP / Manufacturing Cloud, MES, QMS with IATF 16949/AS9100/FDA/FSMA, Supply Chain Planning / DemandCaster, Production Monitoring / DATTUS, Asset Performance Management, Maintenance, Plant Floor Mobile, Workflow Engine, Customer Portal, Supplier Portal, Rockwell FactoryTalk integration), Plex tier, automotive quality certification compliance, industry sub-vertical (Tier 1/2/3 automotive, OEM, F&B, aerospace, plastics, electronics, medical device, industrial equipment), company firmographics, employee count, plant count and geographic distribution, and named decision-makers on every record.
The list feeds outbound prospecting for modern automotive Tier supplier ERPs (SAP S/4HANA Automotive, Microsoft Dynamics 365 F&O, Infor CloudSuite Automotive, Epicor CMS, IFS, QAD AS targeting Plex ERP customers for ERP displacement or upmarket migration), modern automotive MES alternatives (Siemens Opcenter MES, Aveva MES, GE Digital Proficy MES, DELMIA Apriso targeting Plex MES customers upmarket for Tier 1 OEM and global), modern QMS for automotive (modern eQMS platforms competing with Plex QMS), modern supply chain planning (Kinaxis, o9, Blue Yonder, Anaplan, OMP competing with Plex SCP/DemandCaster at growing Tier suppliers), modern manufacturing AI and predictive maintenance (Augury for vibration monitoring, Uptake for asset performance management, Senseye for predictive maintenance, Falkonry for time-series ML, ABB Ability targeting Plex APM customers), modern shop floor IoT and connected workers (Tulip for connected workers and Tulip Apps, MachineMetrics for cloud-native OEE, FactoryOS for modern MES, Inductive Automation Ignition for SCADA targeting Plex Production Monitoring customers), modern food traceability and FSMA compliance (Vital Image Operating, Bizerba quality systems, Trustwell for food traceability targeting Plex QMS food customers), modern aerospace MRO and PLM (IFS Aerospace, Trax for Tier 1 aerospace targeting Plex aerospace customers), modern medical device QMS (Greenlight Guru for FDA 21 CFR Part 820, Veeva Vault QualityOne for life sciences targeting Plex medical device customers), modern analytics and data warehouse (Snowflake, Databricks, ThoughtSpot replacing Plex analytics), modern CMMS and EAM (UpKeep, Limble, IBM Maximo competing with Plex Maintenance Management), Rockwell FactoryTalk and Rockwell Automation cross-sell for Plex customers running other PLCs and automation, modern PLM (Aras, PTC Windchill, Siemens Teamcenter), and modern andon and digital work instructions (Andonix, Tulip work instructions targeting Plex MES customers). Records ship with company firmographics, named decision-makers, automotive quality compliance metadata, and audit-trail metadata.
Why a Plex Customer List Matters in 2026
Plex Systems is the category-leading cloud MES/ERP for North American automotive Tier 1 and Tier 2 suppliers, with deep IATF 16949 quality compliance, strong shop floor connectivity, and unified MES + ERP + QMS on a single cloud platform. The Rockwell Automation acquisition (2021) strategically positioned Plex as the cloud software complement to Rockwell's plant floor automation. The DemandCaster acquisition (2019) added supply chain planning. The DATTUS acquisition (2021) added direct machine connectivity for real-time production monitoring. The PowerPlex annual customer conference is the dominant automotive Tier supplier manufacturing conference. Modern automotive Tier supplier ERP competitive landscape continues to consolidate around Plex, SAP Automotive, Microsoft Dynamics 365 F&O, Infor CloudSuite Automotive, Epicor CMS, IFS, and QAD AS, with each customer evaluating Plex (cloud-native MES + ERP unified) vs alternatives during ERP refresh cycles.
Plex's automotive Tier supplier depth is exceptional but creates depth gaps where specialist vendors regularly win: modern automotive MES upmarket (Siemens Opcenter MES for Tier 1 OEMs and global, DELMIA Apriso for global automotive OEMs), modern QMS for non-automotive verticals (Greenlight Guru for medical device QMS specifically, Veeva Vault QualityOne for life sciences), modern supply chain planning at growing automotive Tier suppliers (Kinaxis dominant in automotive SCP at large scale, o9 with modern AI-native SCP), modern shop floor IoT with connected workers (Tulip for connected workers and apps, MachineMetrics for cloud-native OEE), modern food traceability for F&B (Trustwell, modern food traceability with deeper recall management), modern aerospace MRO (IFS Aerospace and Trax for aerospace MRO), and modern CMMS for asset-intensive (IBM Maximo, IFS EAM upmarket from Plex Maintenance).
BizzContacts isolates the Plex install base as a separately filterable cohort so vendors can run focused outbound into CIOs, VPs Manufacturing, Plant Managers, and Directors of Quality across the entire Plex customer base.
Manufacturers Running Plex Systems
Plex concentrates in automotive Tier 1 and Tier 2 suppliers (the densest single vertical for Plex, ranging from $20M Tier 3 suppliers to $5B+ Tier 1 suppliers serving OEMs including GM, Ford, Stellantis, Toyota, Honda, Nissan, BMW, Mercedes-Benz, Volkswagen, with depth in metal stamping, plastics injection molding, electronics for auto, interior trim, exterior trim, powertrain components, chassis components, body components, and seating), food and beverage manufacturers (Plex for F&B with FSMA 21 CFR Part 117 compliance, particularly strong in dairy, beverage, packaged food, frozen food, and growing in alternative protein), aerospace and defense Tier 2/Tier 3 suppliers (Plex with AS9100 compliance for aerospace components), plastics and rubber manufacturers (Plex strong in plastics injection molding for both automotive and non-automotive plastics), electronics and electronic assembly (Plex for PCB assembly and electronics manufacturing services), medical device manufacturers (Plex with FDA 21 CFR Part 820 compliance), industrial equipment manufacturers (Plex for capital equipment and custom industrial equipment), and other discrete manufacturers (Plex for general discrete manufacturing).
Customer skew is concentrated in mid-market and mid-market enterprise sizes. Approximately 18% are growing SMB (100-249 employees, growing Tier 2/3 supplier), 32% are mid-market (250-999 employees, full Tier 2 supplier), 28% are mid-market enterprise (1,000-4,999 employees, full Tier 1 or large Tier 2 supplier), 16% are large enterprise (5,000-19,999 employees, multi-plant Tier 1 supplier), and 6% are global enterprise (20,000+ employees with multi-instance Plex deployments across global Tier 1 supplier operations). BizzContacts focuses on mid-market enterprise and larger where outbound vendor pitches have commercial value.
Sample Manufacturers Running Plex Systems
A representative sample of named Plex customers across automotive Tier supplier, F&B, aerospace, plastics, and discrete manufacturing verticals, drawn from public Plex customer references and PowerPlex conference materials.
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Plex Adoption by Industry
Plex concentrates in automotive Tier supplier, food and beverage, aerospace, plastics, and discrete manufacturing.
Automotive Tier 1 and Tier 2 suppliers account for approximately 58% of Plex customer count, the densest vertical concentration in any cloud manufacturing platform.
Food and beverage manufacturers with FSMA regulatory requirements account for approximately 12% of Plex customer count, growing rapidly as FSMA compliance complexity increases.
Aerospace Tier 2/3 suppliers with AS9100 quality requirements account for approximately 8% of Plex customer count.
Plastics and rubber manufacturers (often Tier 2 automotive plastics injection molders) account for approximately 14% of Plex customer count.
Medical device manufacturers with FDA 21 CFR Part 820 compliance account for approximately 4% of Plex customer count.
Plex Adoption by Country
Plex is concentrated in North America with strong international Tier supplier presence following global OEM supply chains.
The United States accounts for approximately 70% of Plex customer count, the largest single market and Plex's core geography.
North America (USA + Canada + Mexico) together account for approximately 89% reflecting Plex's North American automotive supply chain category leadership.
International Plex deployments follow global automotive Tier supplier OEM supply chains, particularly to Mexico (USMCA-anchored Tier suppliers), Canada (Ontario auto cluster), Germany (German OEM supply chains), and selectively to UK, China, and other markets.
Plex is structurally North America-first reflecting its origins as the dominant North American automotive Tier supplier MES.
Plex Customers by US State
Plex US deployments span major automotive Tier supplier states with concentration in Michigan, Ohio, Indiana, Kentucky, Tennessee, and broader manufacturing belt.
Michigan concentration is exceptional driven by Detroit-area automotive Tier 1 supplier density: Shape Corp Grand Haven, Lear Southfield, Adient Plymouth, Trans-Matic Holland, Apex Polymer Holland, Atlas Tool Roseville, GHSP Grand Haven, and Steelcase Grand Rapids (industrial design office furniture).
Ohio hosts Anchor Manufacturing Cleveland and broader Ohio Tier 1/2 supplier density serving GM, Ford, and Stellantis OEMs.
Holland Michigan hosts a unique cluster: Trans-Matic Manufacturing (stamping), Apex Polymer Solutions (plastics injection), and GHSP (electromechanical), all running Plex Smart Manufacturing Platform.
Collierville Tennessee hosts Mueller Industries (copper and brass products manufacturing), a flagship Plex Tier 1-comparable industrial customer.
Plex Customer Size Distribution (focused on Mid-Market Tier Supplier where outbound matters)
Plex spans growing SMB through global enterprise Tier 1. BizzContacts focuses on Mid-Market (250-999 employees) and Mid-Market Enterprise (1,000-4,999 employees) where outbound vendor pitches have commercial value.
Mid-market (250-999 employees) and mid-market enterprise (1,000-4,999 employees) are the densest Plex Tier 2 / large Tier 2 supplier cohort (~62%) and the highest-velocity outbound segment. Large enterprise and global enterprise (5,000+ employees) represent strategic high-ARR Plex deployments at Tier 1 suppliers including Lear, Adient, Magna, Faurecia segments.
Decision-Makers at Plex Customer Accounts
Plex buying decisions cluster around CIO/IT leadership, manufacturing operations, quality leadership, supply chain, and plant management.
The CIO, Director of IT, and VP Manufacturing are uniquely Plex Smart Manufacturing Platform-aware. Plant Manager and Director of Manufacturing Operations for plant-level pitches. VP Quality and Director of Quality for QMS-specific pitches (IATF 16949, AS9100, FDA). Director of Continuous Improvement for analytics and lean pitches. CFO for ERP financial module pitches.
Reach these Plex Systems decision-makers this week.
Verified Plex Systems customer contacts with named CIO, ERP Manager, CFO, and procurement titles. 97.4% inbox deliverability.
Technology Ecosystem Around Plex Customers
Plex customers run a predictable adjacent stack of CRM, productivity, automation, MES, supply chain, and AI/analytics tools.
Plex vs SAP S/4HANA Automotive vs Microsoft Dynamics 365 F&O vs Epicor CMS vs Siemens Opcenter MES
Plex and the four largest competing automotive Tier supplier ERPs and MES platforms compared by buyer focus and BizzContacts coverage.
Plex wins on automotive Tier supplier-specific unified MES + ERP + QMS and Rockwell Automation ecosystem. SAP wins on enterprise OEM and Tier 1 scale. Microsoft wins on Office 365 ecosystem. Epicor CMS wins on traditional automotive Tier supplier ERP. Siemens Opcenter wins on enterprise OEM MES and Siemens automation ecosystem.
Why Outbound Teams Use the Plex Customers List
Sell into CIOs and VPs Manufacturing at automotive Tier suppliers
Reach the actual decision-makers at Plex Smart Manufacturing Platform accounts.
Pitch modern automotive Tier supplier ERPs
SAP S/4HANA Automotive, Microsoft Dynamics 365 F&O, Infor CloudSuite Automotive, Epicor CMS, IFS target Plex customers.
Position modern MES alternatives upmarket
Siemens Opcenter, DELMIA Apriso target Plex MES customers for Tier 1 and OEM upmarket.
Run modern supply chain planning campaigns
Kinaxis, o9, Blue Yonder, Anaplan target Plex SCP / DemandCaster customers.
Pitch modern shop floor IoT and connected workers
Tulip, MachineMetrics, FactoryOS target Plex Production Monitoring customers.
Event marketing for PowerPlex
Drive event engagement around Plex's annual customer conference.
Which Businesses Can Use the Plex Customers List
Plex sits at the centre of automotive Tier supplier and discrete manufacturing operations across Tier 1/2/3 automotive suppliers, F&B, aerospace, plastics, electronics, medical device, and industrial equipment. The buyers below are the most common purchasers of the BizzContacts Plex customers list.
Modern automotive Tier supplier ERPs
SAP S/4HANA Automotive, Microsoft Dynamics 365 F&O, Infor CloudSuite Automotive, Epicor CMS, IFS, QAD AS target Plex ERP customers for displacement or upmarket migration.
Use case: Automotive Tier supplier ERP displacement, OEM-anchored ERP, IATF 16949 quality.
Modern automotive MES alternatives
Siemens Opcenter MES, DELMIA Apriso, Aveva MES, GE Digital Proficy target Plex MES customers upmarket for Tier 1 and OEM.
Use case: Enterprise OEM MES, large Tier 1 supplier MES, global multi-plant MES.
Modern quality management for non-automotive verticals
Greenlight Guru for medical device QMS (FDA 21 CFR Part 820), Veeva Vault QualityOne for life sciences, MasterControl, Sparta TrackWise, Pilgrim Quality target Plex customers in medical device, aerospace, and life sciences.
Use case: Industry-specific QMS, FDA 21 CFR Part 820, AS9100 aerospace, life sciences QMS.
Modern supply chain planning
Kinaxis, o9, Blue Yonder, Anaplan, OMP target Plex SCP / DemandCaster customers at growing Tier suppliers.
Use case: Modern supply chain planning, demand forecasting, S&OP, supply chain visibility.
Modern manufacturing AI and predictive maintenance
Augury for vibration monitoring, Uptake for asset performance, Senseye, Falkonry, ABB Ability target Plex APM customers.
Use case: Modern manufacturing AI, predictive maintenance, asset performance management.
Modern shop floor IoT and connected workers
Tulip for connected workers and Tulip Apps, MachineMetrics for cloud-native OEE, FactoryOS, Inductive Automation Ignition target Plex Production Monitoring DATTUS customers.
Use case: Modern shop floor IoT, connected workers, OEE tracking, modern andon and digital work instructions.
Modern food traceability and FSMA compliance
Trustwell, modern food traceability platforms target Plex F&B customers.
Use case: Modern food traceability, FSMA 21 CFR Part 117 compliance, recall management.
Rockwell FactoryTalk and Rockwell Automation cross-sell
Rockwell Automation FactoryTalk ecosystem cross-sells to Plex customers running other PLCs and automation.
Use case: Rockwell automation ecosystem expansion, plant floor automation upgrades, integrated MES + automation.
If your product or service touches modern automotive Tier supplier ERP, modern automotive MES upmarket, modern QMS for medical device or aerospace, modern supply chain planning, modern manufacturing AI, modern shop floor IoT, modern food traceability, or Rockwell automation cross-sell at a Plex-running organisation, the BizzContacts Plex list is the most direct path to qualified CIO, VP Manufacturing, Plant Manager, Director of Quality, and Director of Production decision-makers.
Why Businesses Purchase the Plex Email List
Automotive Tier supplier and manufacturing title precision
CIO, VP Manufacturing, Plant Manager, Director of Quality at Plex-running Tier suppliers.
Plex product filtering
Filter by Smart Manufacturing Platform / ERP / MES / QMS / SCP DemandCaster / Production Monitoring DATTUS / APM / Maintenance / FactoryTalk integration.
Automotive quality certification filtering
Filter by IATF 16949, AS9100, FDA 21 CFR Part 820, FSMA 21 CFR Part 117 compliance.
Industry sub-vertical filtering
Filter by Tier 1 vs Tier 2 vs Tier 3 automotive supplier vs F&B vs aerospace vs plastics vs electronics vs medical device.
Plant count and geographic distribution
Filter by single-plant vs multi-plant Tier supplier deployments.
Higher reply rates than generic automotive Tier supplier lists
BizzContacts Plex records benchmark at 5.8x the reply rate of generic automotive manufacturing decision-maker lists.
What Every Plex Record Includes
Every record on the BizzContacts Plex customers list ships with the following fields.
Why BizzContacts for Plex Intelligence
Automotive Tier supplier title precision
Data resolves to CIO, VP Manufacturing, Plant Manager, Director of Quality at Plex-running automotive Tier suppliers.
Product-level Plex tagging
Every record tagged with specific Plex products including Smart Manufacturing Platform, ERP, MES, QMS, SCP DemandCaster, Production Monitoring DATTUS, APM.
Automotive quality certification cross-reference
Cross-reference Plex with IATF 16949, AS9100, FDA 21 CFR Part 820, FSMA 21 CFR Part 117 compliance.
Tier 1/2/3 OEM relationship filtering
Critical filter for OEM-specific Tier supplier pitches.
Hand-verified automotive Tier supplier records
Every contact researched by a named analyst familiar with automotive Tier supplier and discrete manufacturing title structures.
97.5% inbox deliverability
Multi-step email verification on every record.
How the Plex Systems Customers List Data Is Sourced
The BizzContacts Plex customers list is built from a multi-channel research pipeline focused on confirming Plex products in production (Smart Manufacturing Platform, ERP, MES, QMS, SCP DemandCaster, Production Monitoring DATTUS, APM), Plex tier, automotive quality certification compliance, OEM relationships, plant count, and industry sub-vertical, plus tagging each record with verified CIO, VP Manufacturing, Plant Manager, Director of Quality decision-makers.
A record is shipped only when at least two independent sources confirm the Plex deployment and the decision-maker contact is verified by the research desk within the trailing 30 days.
What Outbound Teams Say About BizzContacts Plex Data
VP Manufacturing at Plex automotive Tier 2 suppliers was a goldmine for our modern shop floor IoT pitch. BizzContacts gave us 240 Plex Tier 2 supplier accounts. Our reply rate jumped from 1.5% to 11.2%.
Plex Tier 1 supplier filter (5,000+ employees, multi-plant) was perfect for our Siemens Opcenter MES upmarket pitch. We sourced 36 Plex Tier 1 multi-plant accounts and closed 4 large enterprise pilots in 90 days.
Director of Quality filter on Plex IATF 16949 automotive accounts was perfect for our modern eQMS pitch. 14 enterprise pilots in one quarter.
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Plex Buyer Intelligence: Quick Answers
Short, direct answer blocks optimised for AI search engines and featured snippets.
Q: How many companies use Plex?
A: Plex reports approximately 700+ manufacturing customers globally. BizzContacts verifies 540+ records focused on mid-market Tier supplier and larger Plex customers.
Q: What is Plex Smart Manufacturing Platform?
A: The unified Rockwell-era cloud manufacturing platform brand combining Plex ERP, MES, QMS, SCP, Production Monitoring, and APM on a single cloud platform.
Q: What is Plex MES?
A: Plex's category-leading automotive Tier supplier MES (Manufacturing Execution System) with shop floor connectivity, traceability, and real-time production execution.
Q: What is Plex QMS?
A: Plex's Quality Management System with deep IATF 16949 automotive quality, AS9100 aerospace, FDA 21 CFR Part 820 medical device, and FSMA 21 CFR Part 117 food safety compliance.
Q: What is Plex Supply Chain Planning?
A: Plex's supply chain planning product, post the DemandCaster acquisition for demand planning, supply planning, and S&OP.
Q: What is Plex Production Monitoring?
A: Plex's real-time shop floor connectivity product, post the 2021 DATTUS acquisition for direct machine connectivity and OEE tracking.
Q: What is Plex Asset Performance Management?
A: Plex's APM product for predictive maintenance and asset performance management for manufacturing assets.
Q: How does Plex compare to SAP S/4HANA Automotive?
A: Plex is automotive Tier supplier-focused cloud platform with unified MES + ERP + QMS. SAP S/4HANA is enterprise ERP. Plex wins on Tier supplier-specific UX and unified MES + ERP; SAP wins on enterprise scale and full S/4HANA ecosystem.
Q: How does Plex compare to Microsoft Dynamics 365 F&O?
A: Plex is automotive Tier supplier-focused. Microsoft is broader ERP. Plex wins on automotive Tier supplier depth and IATF 16949; Microsoft wins on Office 365 ecosystem and broader functionality.
Q: How does Plex compare to Epicor CMS?
A: Both target automotive Tier suppliers. Plex is cloud-native unified MES + ERP. Epicor CMS is more focused automotive ERP. Plex wins on unified MES + ERP and cloud-native; Epicor CMS wins on traditional automotive ERP depth.
Q: How does Plex compare to Siemens Opcenter MES?
A: Plex is automotive Tier supplier MES + ERP unified. Siemens Opcenter is global MES (post Camstar acquisition) targeting large Tier 1 and OEM. Plex wins on Tier supplier scale and unified platform; Siemens wins on enterprise/OEM MES depth and Siemens automation ecosystem.
Q: Who owns Plex?
A: Plex Systems is a Rockwell Automation business (NYSE: ROK) since the 2021 $2.22B acquisition. Rockwell is the dominant industrial automation provider in North America.
Q: What industries use Plex most?
A: Automotive Tier 1 and Tier 2 suppliers (dominant), automotive Tier 3 suppliers, OEM segments, food and beverage with FSMA compliance, aerospace Tier 2/3 suppliers with AS9100, plastics and rubber manufacturing, electronics and electronic assembly, medical device with FDA 21 CFR Part 820, industrial equipment, powertrain components, body and chassis, interior and exterior trim, seating, foundry/casting.
Q: Where is the largest Plex install base?
A: United States ~70%, Canada and Mexico ~19% (North America 89%); selective international including Germany (German OEM supply chains), UK, China.
Q: How accurate is the BizzContacts Plex list?
A: 99% record-accuracy SLA, 97.5% inbox deliverability, 30-day replacement guarantee.
People Also Ask About Plex Customers
Plex Systems Customers List FAQs
Related Pages Inside BizzContacts
Related install-base and decision-maker resources for vendors selling into the Plex ecosystem.
