LaDeau – Hinge Manufacturer Serving South Dakota

Welcome to LaDeau Manufacturing – your complete source for hinges that serve the world and beyond!  You may require any number of different types of hinges for commercial, military, aerospace, security, medical, electronic, or industrial applications.  If so, LaDeau has the capability to manufacture all of your hinge designs. We manufacture standard and customized hinges of all types, including robust Mil-Spec hinges that stand up to brutal use and harsh environments.

LaDeau Manufacturing offers more than 70 years of expertise with the fabrication of top-quality hinges and hinge pins, at fair and competitive prices.  Our South Dakota customers can choose from a vast array of hinge types including spring-loaded, butt, specialty, precision, industrial, Mil-Spec, and an array of other hinge options.  It doesn’t matter if your hinges need to be simple or complex, or miniature or heavy-duty, LaDeau Manufacturing will manufacture exactly what you are looking for!

Continuous/Piano Hinges

Specialized equipment is used in the fabrication of our very-exacting MS20257 Mil-Spec hinges, and that same equipment is used to produce our high-quality industrial piano hinges.  Whether nationally or globally, Original Equipment Manufacturers place their faith in LaDeau Manufacturing to supply continuous/piano hinges to meet their vital requirements.


Our aluminum, stainless steel, and steel piano hinges are cold-rolled and American-made in an ISO-Certified environment.  A more dependable, metal-stamped, continuous/piano hinge will not be found, anywhere else on the world market! LaDeau has manufactured millions of feet of continuous/piano hinges from 0.008″ (0.2mm) thin to 0.186″ (4.72mm) thick in aluminum, stainless steel, steel, brass, and other specialty metals.

Mil-Spec Piano Hinges

For decades, LaDeau’s Mil-Spec hinges have served aircraft manufacturers and other critical industries.  Our Mil-Spec piano hinges are made to MS20257, MS20001, MS35821– MS35831 and A-A-55589 through A-A-55596 specifications.  Mil-Spec hinge specifications include MS20253, MS27990, and A-A-55486. Stocked hinges of 72” length are, always, available, and customized lengths are offered in a variety of materials and finishes.

Customized Hinges

Any type of modification for any type of hinge is all in a day’s work for our team of skilled fabricators.  Our in-house tooling department can efficiently get us up-to-speed on your requirement, alter lengths, widths, hole patterns, notches, bends, and other features to perfectly suit your requirements. Thanks to LaDeau’s expansive manufacturing arsenal, and the versatility of our proprietary Universal tooling system, our South Dakota clients enjoy minimized downtime, optimized repeatability,  pin-point accuracy, and noticeable savings. Whatever you can envision, we’ll be able to supply!

Our Name Is Our Promise

A business’ good name doesn’t develop overnight – it takes months and, sometimes, years for a business to generate a caliber of integrity that becomes unquestioned.  With LaDeau Manufacturing, it’s not about a flashy marketing campaign but, rather, four cornerstone components that have driven our company – locally, nationally, and globally, for more than 7 decades:

*** Integrity – Our company’s mission and philosophy remain our driving force:  1) manufacture precision products 2) offer fair prices 3) maximize the efficiency of quoting, customer service, production, and delivery, without compromising quality and 4) generate personalized relationships with all our consumers.

*** Expertise –  During WWII, our company’s founders worked with the Lockheed Corporation, which manufactured a variety of defense aircraft.  Today, Lockheed Martin remains one of the most renowned military facilities in the US.

After the war, the aircraft industry was ready to forge ahead and embrace new innovations and evolving technologies.  Our founders chose to be a part of this critical movement by becoming their own entity –now known as LaDeau Manufacturing.  Back then, the company focused on the production of hinge assemblies for the post-war aircraft industry.

Today, however, LaDeau Manufacturing produces hinges and hinge pins that serve national and global interests that cater to aircraft, marine, aerospace, military, industrial, agricultural, medical, electronic, commercial, and security needs.

*** Quality – ISO compliance means our South Dakota patrons are offered nothing but products of the highest quality. Our production standards align with our founders’ original commitment to apply stringent MIL-l-45208A standard to all LaDeau parts – military and commercial.  As an ISO-9001:2015 certified world-class hinge manufacturer, LaDeau Manufacturing enjoys a greater-than-99.8%  consumer-acceptance rate. We are, also, independently certified by a variety of aerospace entities.

*** Capabilities –  LaDeau’s stringent quality control means every type of hinge offers top-tier strength, alignment, and even-weight distribution.  A varied array of material and finish options are available – steel, stainless steel, stamped aluminum, or extruded aluminum – and our primary and secondary processes range from press brake forming to welding, to plating, and so much more.

Give Us A Call, Today!

Call LaDeau Manufacturing, today; and we will address any inquiries you might have.

 You can reach our Glendale, California office at: 818-240-3990 or 800-693-3990

Take a few moments to visit our website:

LaDeau Manufacturing – Your Home for Hinges!