What to look for in a contract manufacturer (and what most won’t tell you upfront)
What to look for in a contract manufacturer (and what most won’t tell you upfront)
The contract manufacturing market is large and the options look similar on the surface. Most shops list the same processes. Most websites show the same stock photos of CNC machines. Most sales calls end with a promise to get you a quote.
What separates the ones worth working with from the ones that create problems mid-program isn’t obvious from a website. Here’s what actually matters.
Do they review your drawing before quoting, or after?
Automated quoting platforms return a number in seconds. That number is based on geometry, not on whether the part is actually manufacturable as designed. DFM issues, tolerance conflicts, material incompatibilities, and finish specifications that don’t work with the chosen process don’t show up in an algorithm. They show up in production.
A manufacturing partner who reviews your drawing before quoting catches those problems first. That’s the difference between a quote that reflects real production cost and risk, and a number that looks good until the job starts.
Who owns your project from RFQ to delivery?
One of the most common pain points in contract manufacturing is the hand-off. Sales closes the deal. Engineering reviews the file. Production manages the build. Quality handles inspection. You end up re-explaining your requirements at each stage, and nobody has complete ownership when something goes wrong.
The right model is one contact who owns the program from the moment you send your drawings to the moment parts arrive at your dock. That person knows your program, your timeline, your quality requirements, and picks up the phone when you call.
Are their vendors vetted, or just available?
Most contract manufacturers have a supplier network. What varies is how that network is built and maintained. Is every supplier audited? Do their quality systems align with your program’s requirements? Are they matched to your specific part type and material, or just whoever responded to the RFQ?
At Precision Expedited, vendors are selected because they’re the right fit for the specific job. Not the closest. Not the cheapest. Every part comes back to our San Clemente facility for quality inspection before it ever reaches your dock.
Do the credentials match your program requirements?
Certifications aren’t marketing badges. ITAR registration means the supplier can legally handle controlled technical data. AS9100 compliance means the quality system meets aerospace industry requirements. ISO 13485 certification means medical device quality management is in place and audited.
If your program requires a credential and your supplier doesn’t have it, you have a compliance gap. Verify before you place the order.
What does the quote actually tell you?
A quote should tell you what’s being built, to what standard, on what timeline, and at what price. It should include quality requirements and flag any build concessions upfront. A quote that’s just a number is a quote that’s leaving decisions unmade until later.
Precision Expedited returns quotes within 24 hours with DFM flags included. No portals. No automated estimates. A real review, a real number, and a defined scope.
Send us your drawings
If you’re evaluating manufacturing partners for a current or upcoming program, send us the drawings and see how we approach it.