ZonePillar for engineering firms

A review inbox for the RFIs and submittals your GC routes to you.

Receive the items routed to your discipline, review the documents, and respond with your stamp. Every exchange is a tracked thread.

Submittal for review

2026-04, Variable frequency drives

Approved as noted, stamped

Only what is routed to you
Pick your discipline when you accept the GC's invitation. Your inbox shows the items for it and nothing else.
Review and stamp in the browser
Open the documents, respond with Approved, Approved as noted, Revise and resubmit or Rejected, and stamp it.
Answers write back to the sub
Your RFI answer lands on the sub's thread through the GC, with the exchange kept for the record.

A transmittal inbox, not another project system

Engineering firms work on desktop and tablet with a focused console: the inbox, connections, members, company chat and notifications.

Inbox

Northline Engineering, Mechanical

Read the documents and every previous revision, log your response, and stamp it. The GC and the sub see it at once.

Review

RFI-014, Conflict at grid C-4

Answered, sent to the GC

The areas of the platform this kind of company uses most.

Bring a job you know well, its drawings, its crew and its paperwork, and see it in ZonePillar.

Book a walkthrough with our team. We set up your first project with you and train your crew to run it.