Pick one mailing batch as the handoff point and agree which provider handles it before you release the list. Then check the accounts yourself. Do not assume the new provider has the old provider's records.
Reviewed October 17, 2026
Define the first job
With Propane Safety Pro, your customer list is an input you supply. Propane Safety Pro mailing service Make an approved copy for the new job. Label it with the date and batch name. Keep the earlier provider's file apart so your office can compare the two.
The published mailing includes a short letter from your company. Propane Safety Pro mailing service Check your company name and contact details during the switch. Ask who approves the letter and which version goes out.
The service quotes the work to the size of your list. Propane Safety Pro mailing service Give every provider the same recipient count. Ask the new one how it takes your list and what the work includes. This page does not claim a migration or import feature.
Check coverage account by account
Keep a handoff sheet with three groups: in the last batch, meant for the next batch, and unresolved. Have one person in your office chase every difference before you sign off. Decide who owns late additions so they do not fall between two mailing calendars.
For returned pieces, keep the real postal reason. USPS uses nondelivery endorsements to say why a piece could not be delivered. USPS undeliverable mail guidance Pass it on as an open task. Do not call an address corrected unless someone verified it.
Questions and answers
Who tells the old provider to stop?
A named person at your company. Write down when the provider confirmed, and which notices are still in progress. This is a suggested transition check. It does not mean Propane Safety Pro manages cancellations or recovers another vendor's files.
About Bill Stomp
Bill Stomp built Propane Safety Pro. He is a war veteran who ran over 87 propane branch offices across 12 states, and he has helped more than 200 propane companies improve their profits, sales, safety and operations.
Next step
Planning a switch? Get a Duty to Warn quote and send your recipient count and target mail date.
General information, not legal advice.