Your ERP can't legally see half your Raytheon work order
A custom ERP (Enterprise Resource Planning) for a Tucson defense or optics shop runs $120k to $400k over 5 to 9 months. The reason isn't features, it's enclave: NetSuite and SAP weren't built to keep export-controlled drawings inside a NIST 800-171 boundary while still letting your shop floor schedule against them. In Tucson that gap is the whole job.
You run a tier-two supplier feeding Raytheon Missiles & Defense or a precision optics house shipping to Steward Observatory and the mirror lab. Your ERP holds part numbers, routings, and purchase orders. But the actual engineering data, the controlled drawings and CAD that say what the part is, lives in a separate ITAR enclave because exposing it to a multi-tenant cloud is a felony, not a config mistake.
So NetSuite or Dynamics ends up holding a hollow shell: a work order that references a drawing it isn't allowed to store. Buyers re-key revisions by hand. A drawing revs on the controlled side and nobody on the floor knows for three days. SAP can technically run on a GovCloud tenant, but the licensing and the rollout to handle your CMMC scope costs more than the parts you ship in a quarter.
The case for owning your erp
A custom ERP lets you draw the export-control boundary exactly where your CMMC assessor wants it. Controlled drawing data stays in the enclave; the ERP holds a pointer, a hash, and a rev number, so the floor schedules against the right revision without the file ever leaving the boundary. You scope CUI to a handful of tables instead of the entire instance, which is the single biggest lever on your assessment cost.
What your build should include
Tucson ERP: the full scope
Digital Heroes builds the full ERP stack for Tucson teams. Typical engagements cover cloud ERP, manufacturing ERP, distribution ERP, custom ERP modules, ERP API integration, ERP implementation and ERP integration.
Budgeting a erp build in Tucson
| Project scope | Typical cost | Timeline |
|---|---|---|
| Compliance-scoped ERP core (inventory, work orders, purchasing) | $120k to $220k | 5 to 7 months |
| ITAR enclave integration + rev-control sync | $40k to $90k | 2 to 3 months |
| Prime portal EDI + CMMC audit tooling | $30k to $90k | 2 to 3 months |
Delivery, week by week
Exactly what you get
A manufacturing ERP whose data model assumes export control from day one: work orders that point at enclave-held drawings, scheduling that respects rev changes, purchasing that speaks your primes' EDI dialects, and an audit log that hands your CMMC assessor evidence instead of excuses. It connects to your inventory management software, your warehouse management system, and feeds business intelligence dashboards without ever pulling controlled files into a non-compliant tier.
How to choose a developer in Tucson
Hire for compliance literacy first, manufacturing second, framework third. The right Tucson partner can name the NIST 800-171 control families, has integrated at least one prime contractor portal, and will tell you honestly which parts of your scope should stay off-the-shelf. Ask them to walk through how they'd keep a controlled drawing out of CMMC scope while still scheduling against it. If they can't answer that in plain language, they'll learn it on your budget.
- Export-control boundary drawn at the data layer, so CMMC scope covers tables not the whole ERP
- Native rev-control sync with the ITAR enclave, so the floor never builds to a stale drawing
- EDI and portal formats that match what Raytheon and prime supplier systems actually expect
- Lot and coating traceability fields built for optics and photonics, not retrofitted from discrete manufacturing
- Hosting on a GovCloud or on-prem boundary you control instead of a vendor's multi-tenant terms
- A compliant custom ERP costs 3x a NetSuite seat license in year one and you own the CMMC evidence forever
- You need an integrator who understands NIST 800-171 control families, not just a generalist dev shop
- Build timelines stretch when the assessor changes scope mid-project, which happens
- You lose the off-the-shelf module ecosystem; every new capability is a build, not a checkbox
- !They've never heard of CMMC or NIST 800-171: ask which control families they've scoped before
- !They propose putting controlled CAD in a standard cloud tenant: ask how they keep it inside the boundary
- !They quote a fixed price before seeing your assessor's scope: ask how they handle mid-project scope changes
- !No optics or defense manufacturing references: ask for a regulated-manufacturing build they shipped
- !They treat EDI as an afterthought: ask which prime portals they've integrated
Teams investing in erp in Tucson usually scope it next to internal tools, shopify, inventory management, since these systems share data and budgets.
Rohan advises mid-market and enterprise teams on ERP, CRM and custom software, and has led delivery on dozens of business-software builds.
Writes for Digital Heroes, shipping business software for 2,000+ brands across 55+ countries since 2017.
Frequently asked questions
Can NetSuite or SAP handle ITAR data in Tucson?
Only on a GovCloud tenant with strict configuration, and even then the controlled CAD usually stays in a separate enclave. The ERP holds references, not the files. Most Tucson defense suppliers build a thin custom layer rather than force the whole ERP into CMMC scope.
What makes a defense ERP build cost more than a commercial one?
The compliance boundary. Scoping CUI, mapping access to ITAR US-person rules, producing CMMC evidence, and hosting on a controlled environment add 30 to 60 percent over an equivalent commercial build.
How long does a compliant ERP take to ship?
Five to nine months. The variable is your assessor's scope, which can shift the integration work mid-project. Lock scope with your CMMC assessor before the build phase starts.