Sales, Inventory and Operations Planning (SIOP)

Solutions

Sales, Inventory and Operations Planning

Unifies long-range S&OP with multi-plant S&OE execution in one model built for complex discrete industries like semiconductor, medical, industrial, automotive and ETO, CTO, MTO manufacturing.

Trusted by the World’s Leading Companies

Supply chain planning is broken — and it’s costing you

Today’s manufacturers are forced to stitch together multiple disconnected systems for S&OP, S&OE, demand planning, and factory scheduling. The result: data latency, planning gaps, and missed commitments.

The distributor channel hides true demand

In many complex discrete industries like semiconductor and medical supply chains, what’s actually selling through to end customers is largely invisible. This causes revenue generating demand signals to be distorted and unseen distributor inventory building up in the channel. The end result is revenue projections that are unreliable.

Disconnected S&OP and execution systems

S&OP Plans do not have the detail required to properly coordinate across plants and are only updated periodically. This results in the use of outdated information that is not sufficient to coordinate and communicate cross plant at execution time. In the end planners rely on spreadsheets to plan in a disconnected fashion.

Subcontractor networks and combinatorial complexity

Complex discrete supply chains span dozens of subcontractors that have different capacities, lead times, qualifications, and cost structures. The number of planning combinations grows exponentially. Humans with spreadsheets simply can’t keep up, and the result is poor use of existing inventory, contracted capacity, and product substitution alternatives.

Customer-specific constraints and configuration complexity

Each order can carry unique requirements: product specs, approved suppliers, quality grades, country-of-origin rules, regulatory certifications, and alternative acceptable configurations. Standard planning systems do not have an efficient way to plan in this situation, forcing planners to police them manually or create an explosion of part numbers.

Slow, inaccurate order promising

Sales commits delivery dates without visibility into real-time full supply chain materials and capacity availability — eroding customer trust.

Differentiating Capabilities

01
Unified S&OP + S&OE in a Single Model
Your long-range sales and operations plan and your day-to-day execution run on the same data model — no synchronization, no data translation, no lag. When supply conditions change on the shop floor, the plan updates automatically. Planners and operators always work from a single version of the truth.
Read more →
02
Sell-In / Sell-Through Demand Planning
Manage distributor channel inventory with visibility into what’s selling through to end customers — not just what was sold in. Early warning signals for increasing or decreasing sell-through prevent channel stuffing, reduce inventory risk in the distribution chain, and support more accurate revenue projections.
Read more →
03
Multi-Echelon Inventory Optimization (MEIO)
Scientifically calculated safety stock targets at every tier using stochastic models that minimize total pipeline cost while meeting customer service level objectives. Inventory is positioned where it protects service most efficiently, not where it accumulates by default.
Read more →
04
3rd Gen Attribute Based Planning (ABP)
3rd Generation ABP extends attribute-based planning across the entire production network—upstream and downstream, with no practical limit on BOM depth or complexity—and applies it to all planning objects, including processes and resources.
Read more →

Agent EyeQ

MESAPSSIOP

Why is lot 4471 on hold, and can we still ship order 88-102 on Friday?

Lot 4471Order 88-102Line B

Ask anything about your plant in plain language

Checking hold reason, then capacity, then the customer commit

✓mes.lot.getStatus(4471)MES
✓mes.hold.list(4471)MES
✓aps.schedule.simulate(Etch-02)APS
✓siop.commit.check(88-102)SIOP

QA cleared the hold at 09:12. Friday ship holds if the lot is released to Etch-02 by 14:00.

Proposed changeAwaiting approval

Release lot 4471 to Etch-02 — Write action, needs approvalWrite action, needs approval

Resequence 2 lots on Line BImpact: +40 min on lot 4480

ApproveSend back

Shift lead notified in TeamsEmail sent

1,284approved runs in the knowledge base

Run added

Week 1First-pass successThis week

Only quality-gated runs are kept, so the agent gets more consistent over time.

Differentiating Capabilities

01
Unified S&OP + S&OE in a Single Model

That shared model is the foundation of closed-loop production orchestration. Commitments flow down to Eyelit APS and MES, and execution reality flows back up. Your long-range sales and operations plan and your day-to-day execution run on the same data model — no synchronization, no data translation, no lag. When supply conditions change on the shop floor, the plan updates automatically. Planners and operators always work from a single version of the truth.
Read more →
02
Sell-In / Sell-Through Demand Planning

Manage distributor channel inventory with visibility into what’s selling through to end customers — not just what was sold in. Early warning signals for increasing or decreasing sell-through prevent channel stuffing, reduce inventory risk in the distribution chain, and support more accurate revenue projections.
Read more →
03
Multi-Echelon Inventory Optimization (MEIO)

Scientifically calculated safety stock targets at every tier using stochastic models that minimize total pipeline cost while meeting customer service level objectives. Inventory is positioned where it protects service most efficiently, not where it accumulates by default.
Read more →
04
3rd Gen Attribute Based Planning (ABP)

3rd Generation ABP extends attribute-based planning across the entire production network—upstream and downstream, with no practical limit on BOM depth or complexity—and applies it to all planning objects, including processes and resources.
Read more →

Agent EyeQ

MES APS SIOP

Why is lot 4471 on hold, and can we still ship order 88-102 on Friday?

Lot 4471 Order 88-102 Line B

Ask anything about your plant in plain language

Checking hold reason, then capacity, then the customer commit

✓ mes.lot.getStatus(4471) MES
✓ mes.hold.list(4471) MES
✓ aps.schedule.simulate(Etch-02) APS
✓ siop.commit.check(88-102) SIOP

QA cleared the hold at 09:12. Friday ship holds if the lot is released to Etch-02 by 14:00.

Proposed change Awaiting approval

Release lot 4471 to Etch-02 Write action, needs approval

Resequence 2 lots on Line B Impact: +40 min on lot 4480

Approve Send back

Shift lead notified in Teams Email sent

1,284 approved runs in the knowledge base

Run added

Week 1 First-pass success This week

Only quality-gated runs are kept, so the agent gets more consistent over time.

Key Solutions

Sales & Operations Planning (S&OP)

Aligns demand, supply, capacity, and financial plans across your organization through constrained optimization — with scenarios as the tool for exploring the uncertain. Because Eyelit S&OP and S&OE share the same model, the approved plan flows directly into execution without translation or data loss.

Demand Planning

Demand planning that combines statistical models, sales insights, customer demand signals, and market intelligence into a single, aligned forecast. Machine learning evaluates the historical accuracy of each input and automatically weights contributions accordingly. Combined with distributor sell-through visibility and attribute-based forecasting for complex configured products, plans stay aligned with real market demand rather than assumptions.

Supply Chain Planning

Optimization-driven planning across manufacturing, distribution, replenishment, capacity, and materials within a single unified model. Advanced optimization simultaneously evaluates all feasible supply chain alternatives and automatically generates the best plan based on business objectives, constraints, and operational priorities.

Inventory Planning

Set scientifically calculated safety stock targets at every supply chain tier — raw material, WIP, sub-assembly, finished goods, and distributor — using multi-echelon inventory optimization (MEIO) to minimize total pipeline cost while meeting service level objectives.

Sales & Operations Execution (S&OE)

Sales & Operations Execution (S&OE) orchestrates the supply chain in real time, continuously re-planning and re-scheduling orders at a detailed level, automatically responding to changing conditions throughout the day. This ensures commitments remain on track and operations stay aligned when disruptions occur.

Attribute Based Planning – 3rd Generation

An industry-leading approach to planning complex ETO, ATO, CTO, MTO, and MTS environments with customer-specific specs. 3rd Generation combines ABP with Optimization and AI enablement.

AI-Driven ATP / CTP

Classical order promising replaced by Attribute Based Planning combined with AI. Customer-specific attributes defined per demand are propagated through the entire supply chain and continuously refined by AI — enabling intelligent, constraint-aware commitments that adapt with every order.

Agent EyeQ – Electronic Employee

Embedded AI agents for schedule health monitoring, exception management, capacity alerts, what-if automation, and orchestrate the response across SIOP, APS, and MES. Prescriptive guidance bridges the gap between novice and expert planners.

Real Results with the right SIOP

Built for complex manufacturing environments with the governance, depth, and integration that production operations require.

Minimize costly shortages or excess inventory

Reduce the risk of stockouts that waste capital and disrupt production. Make smarter decisions with data-driven visibility across your supply chain.

Gain new visibility into production capacity and inventory usage

Identify bottlenecks with production capacity, machine availability, and inventory utilization before there are impacts to customers.

Capable to Promise (CTP)

Create accurate, buildable production plans that meet customer commitments

Simplify allocation planning for equitable inventory distribution

Eliminate manual process and streamline allocation across multiple production sites.

Optimize lead times for best on time in full (OTIF) performance

Align throughput and capacity to meet promised delivery dates. Increase operational efficiency while achieving OTIF targets.

Business Support as a Service (BSaaS)

A SIOP process that runs every month, not just the first one.

Most SIOP programs don’t fail on software. They fail when the monthly cycle slips back into spreadsheets and side conversations. With Business Support as a Service (BSaaS), Eyelit supply chain specialists embed with your planning, sales, and finance teams to design the process and configure Eyelit SIOP around it. Then they help run the cycle so it sticks.

Embedded engineers

Ongoing operational support

Same system. Different jobs.

The only thing that changes is who’s holding the wheel. Same tools, same governance, deployed to match the task at hand.

Helps you do your job better

Sits next to the operator. Suggests, drafts, recommends, and executes on request. The user stays in charge at every step.

Drafts dispositions, RCAs, and schedule changes for review
Surfaces relevant operational data on demand — no dashboards to build
Walks junior engineers through unfamiliar tasks
Accelerates routine work for experienced operators

Who’s holding the wheel

OperatorAgent

You act on the agent’s suggestions. It drafts, you decide.

Same engineSame toolsSame audit trail

Real Insights and Real Results

Case studies and practical outcomes from complex manufacturing operations.