To evaluate precision machining companies in the USA, look at the equipment list, inspection capability, documentation, quality system, capacity, and whether you are dealing with the shop directly or through a marketplace. Those factors predict whether a supplier will deliver conforming parts on schedule better than size, advertising, or a long capability list.
Buyers look for US precision machining companies for Buy American and DFARS compliance, shorter shipping, easier communication, and supply chain stability. This page sets out a practical evaluation method and then describes Wexmar factually so you can apply the same criteria.
How to evaluate a US precision machining company
| Criterion | What to ask for | Why it matters |
|---|---|---|
| Equipment list | Builder, model, and quantity of each machine type | Shows what part types and sizes the shop can make efficiently |
| Inspection | CMMs, comparators, gages, and calibration traceability | Determines whether tolerances can be verified objectively |
| Documentation | Sample CoC, CMM report, FAI, material certs | Confirms the shop can meet your record requirements |
| Quality system | Standard used and whether registered or aligned | Shows how nonconformance, revisions, and traceability are controlled |
| Capacity | Shifts, unattended running, quantity range | Indicates ability to absorb volume and schedule changes |
| Materials | Alloys machined regularly, sourcing options | Confirms experience with your material and compliance needs |
| Registration | SAM.gov status, CAGE code, NAICS codes | Required for federal and many prime contractor purchases |
| Business model | Direct shop or marketplace | Determines who is accountable for quality and delivery |
Equipment tells you what a shop can make
An equipment list with builder and model is more useful than a list of services. CNC lathes with live tooling and Y-axis handle turned parts with milled features. Horizontal machining centers with pallet changers suit prismatic parts needing work on several faces. Swiss-type machines suit small slender turned parts. Grinders indicate capability for ground diameters and flats. Be cautious when a website claims processes that do not appear on the equipment list.
Inspection and documentation
Precision means measurable. Ask what inspection equipment is used, whether CMMs are calibrated with NIST traceability, and what reports are available. Request a sample FAI or CMM report. If you require AS9102 format, material certs, or heat-lot traceability, confirm them before the first order.
Direct shop vs marketplace
Online machining marketplaces take your drawing, quote a price, and route the order to a network shop. That can be convenient, but you may not know which shop makes your part, who reviews your drawing, or who to call about a problem. A direct shop quotes, machines, and inspects the part itself, so the estimator, the machinist, and the inspector work in the same building and answer to one company. For repeat parts, controlled revisions, and documentation, a direct relationship is easier to manage.
Wexmar: facts for your evaluation
- Company: Backwell MFG LLC d/b/a Wexmar, a small business at 121 W Center St, Canastota, NY 13032, near Syracuse. NAICS 332710 and 332721.
- Registration: CAGE 16AD7, SAM.gov active, WAWF and PIEE invoicing. Buy American compliant, made in USA.
- Turning: 10 CNC lathes with live tooling and Y-axis, including Mazak Nexus and Multiplex models, Doosan Lynx 2100A, and Boss 552.
- Milling: 6 Mazak horizontal machining centers with pallet changers for 3- and 4-axis work.
- Swiss: 4 Maier MLK-32 Swiss-type machines with FMB bar feeders, parts to 32 mm diameter, lights-out capable.
- Inspection: 2 Brown & Sharpe CMMs, NIST-traceable, and a Mitsubishi optical comparator; gage calibration under an ISO/IEC 17025-aligned program.
- Quality: ISO 9001:2015-aligned quality system; FAI in AS9102 format, CMM reports, material certs, heat-lot traceability.
- Materials: steels, stainless including PH grades and Nitronic 50, Inconel, Monel, Hastelloy, aluminum, copper alloys, titanium, and plastics, with DFARS 252.225-7009 compliant sourcing available.
- Capacity: prototype through production, second-shift capacity, no minimum order. Heat treat and finishing through qualified outside processors.
- Model: direct shop; a human estimator confirms every quote. Ships nationwide by LTL and parcel.
More detail is on our about, machine list, and inspection and quality pages.
Supplier evaluation checklist
- Equipment list with builders and models reviewed.
- Inspection equipment and calibration confirmed.
- Sample documentation reviewed.
- Quality system basis confirmed.
- Registration data verified in SAM.gov if needed.
- Direct shop contact established.
Getting a quote
The best test of a precision machining company is a quote on a real part. You can upload a drawing for an instant estimate or call (315) 400-2654 to speak with Wexmar directly.