Precision. It's what we stand for.
Knapp Mfg., Inc. is a vertically integrated custom molding facility — design, prototyping, tooling, molding, testing, and assembly, all under one roof. Home of the Air Logic Division for pneumatic and vacuum control equipment.
Since 1945
Family of precision craft
+/- .0005"
Ultra-tight tolerances
99.5%
On-time delivery
100M+
Parts produced per year
What We Stand For
From conception to final packaged product.
KNAPP MFG., INC. is a custom molding facility that welcomes all vendors requiring any aspect of design, prototyping, tooling, molding, testing, and assembly. Our vertically integrated model gives customers the ability to see a project through every stage. We pride ourselves on creating a custom solution for any problem customers bring to us.
Knapp creates products across medical, cleaning technologies, fluidic and pneumatic, fluid dispensing, and aeronautics industries — holding tolerances as tight as +/- .0005 of an inch on critical features.
Capabilities
A complete manufacturing partner
Design & Engineering
From concept to production in one smooth transition, with intellectual property and pneumatic testing expertise.
Learn moreMold Making
SPI Class 101 tooling built to ultra-tight tolerances of +/- .0005", warrantied for one million cycles or more.
Learn morePlastic Injection Molding
10 to 165 ton press capacity, acrylic to Zytel™ resins, and a 99.5% on-time delivery rate.
Learn moreContract Manufacturing & Custom Assembly
Manual, semi-automated, and fully automated assembly, testing, and packaging of precision components.
Learn more
Skilled Craftsmen
Synonymous with precision since 1945.
Our team builds SPI Class 101 tools — the highest class tooling available — with fully inserted and hardened cavities and cores, warrantied to run one million cycles or more. Our fully stocked and staffed tool room maintains, modifies, and repairs tooling in-house with modern Die-Sinker EDM and CNC machining capability.
Meet our peopleCustomer Reviews
Trusted by the customers we serve
"Knapp has been an outstanding partner for our precision molded components. Their tolerances are exceptional and on-time delivery is consistently reliable."
"Their design team helped us take a concept through prototyping and into full production seamlessly. True experts in injection molding and pneumatic testing."
"A vertically integrated shop that truly delivers. Tooling, molding, and assembly all under one roof with a quality system you can trust."
"Professional, responsive, and precise. The ISO 9001:2015 certified quality process gives us total confidence in every shipment."
Reviews reflect representative customer feedback.
Need more details?
Let's build your next precision part.
We are here to assist. Reach out for design, tooling, molding, or assembly — from conception to final packaged product.
Contact Us