Tiffin, OH 44883.
Recorded from public federal registrations and the company’s own published information.
Manufacturer of goodsFederally registered since 2019
Overview
Seneca Manufacturing LLC is a Tiffin, OH machine shop offering CNC Milling, CNC Turning, Manual Machining.
Recorded from public federal registrations and the company's own published information. Every fact on this page links to the sentence and source it came from — click any fact to see it.
Identity and registration from the SAM.gov entity extract and EPA facility records (public federal data). Processes, equipment, materials and certifications read from senecamfgllc.com — every fact carries the sentence it came from; click it to see the source. Federal supply categories are Product and Service Codes decoded from the GSA PSC Manual, April 2025.
Industry codes describe how a business registered itself with the government; they are not a statement of what it can make. Equipment and process facts are what the shop publishes about itself; we record the wording and the page, and we have not independently inspected the shop floor.
Our sources are federal registration, contract and environmental records, plus the company's own website. None of them is a complete list of US machine shops, and neither is this directory.
