---
title: 'ECI M1 + Stack Internal'
url: 'https://www.staging38.commercient.com/product/eci-m1-stack-internal/'
date: '2026-06-19T10:12:25-04:00'
modified: '2026-06-19T10:12:26-04:00'
author: 'Aaron Torres'
excerpt: 'Commercient SYNC connects ECI M1 to Stack Internal, giving your team access to ECI M1 data directly within Stack Internal. No complex coding required.'
featured_image: 'https://www.staging38.commercient.com/wp-content/uploads/2026/06/Commercient-Product-Image.webp'
language: en-US
post_type: product
woocommerce:
  price: '0 USD'
  stock_status: instock
  attributes: { Product: SYNC }
---

Commercient connects ECI M1 and Stack Internal, aligning project costs, budgets and financial data between the ERP and construction management platform. The integration supports a range of sync directions and objects defined per project to match each team’s workflow.

## What syncs

- Export ECI M1 Sales Orders and Invoices to Stack Internal
- Update Stack Internal with ECI M1 Items and Inventory Data
- Sync ECI M1 Inventory to Stack Internal
- Import Stack Internal Data into ECI M1 Records
- Connect ECI M1 Price Lists to Stack Internal
- Sync ECI M1 Vendors to Stack Internal

## Why Commercient

### Order and transaction sync

Export ECI M1 Sales Orders and transactions to Stack Internal to keep operational data aligned and support accurate workflow management across both systems.

### Product and inventory management

Update ECI M1 Items and Inventory data in Stack Internal so teams have current product information available in both platforms.

### Financial data management

Connect ECI M1 Invoices and financial records to Stack Internal to support accurate reporting and data management across both systems.

### Vendor and supplier management

Sync ECI M1 Vendors and Purchase Orders to Stack Internal so procurement data is consistent and available in both platforms.

## About ECI M1

ECI M1 is a manufacturing ERP for small and mid-size job shops and make-to-order manufacturers, managing production scheduling, BOM, inventory, purchasing and accounting.

## About Stack Internal

Stack Internal is a construction estimating and pre-construction management platform, managing takeoffs, cost estimates, bid management and project budgets for contractors.

## Frequently asked questions

### Can ECI M1 Customers sync to Stack Internal automatically?

Yes, Commercient can sync ECI M1 Customers to Stack Internal so both platforms share consistent account data. Exact field mapping and sync frequency are configured per project.

### Can data from Stack Internal flow back into ECI M1?

Commercient can support data flowing from Stack Internal back into ECI M1 when included in the integration scope. Direction and object coverage depend on project configuration.

### How often does the ECI M1 and Stack Internal integration sync?

Commercient typically runs on a scheduled sync, with frequency configurable based on business requirements. Near-real-time options depend on system capabilities and project scope.

### Can ECI M1 Items and Inventory sync to Stack Internal?

Yes, Commercient can sync ECI M1 Items and Inventory to Stack Internal so product data and stock information are current in both systems. Exact mapping depends on project scope.

### Does Commercient support two-way sync between ECI M1 and Stack Internal?

Commercient can support bidirectional sync between ECI M1 and Stack Internal when configured. Exact two-way capabilities depend on the systems involved and the integration scope.