Marples Gears

Marples Gears Inc is a precision gear manufacturer in Azusa, California. The company says it was established in 1942. It makes gears and machined components for the aerospace, defense, optical, medical and commercial sectors.

The site says the company works on high precision fine pitch gears for customers that need precise movement and positioning. It describes gear cutting, CNC turning and milling, and inspection equipment as its main capabilities. Its services include engineering and inspection support.

The site says staff have more than 25 years of experience in inspection. It says the company can advise customers on the most effective way to make a part. It also offers gear cutting, CNC machining and engineering services for custom projects.

The site says the company's gears went into NASA's Mars rover program. It says gears made for the Spirit and Opportunity rovers still work after many years on Mars. It also says gears made for the Curiosity rover helped drill a hole on Mars.

The company is AS9100 and ITAR registered and holds AGMA membership, according to the site. The site lists organizations it has worked with and a custom quote form. The contact page lists an address at 1310 Mountain View Circle in Azusa and office hours on weekdays.

The company's about page includes a sustainability note. It reports greenhouse gas emissions for 2023 and sets a goal to cut scope 1 and scope 2 emissions by 30 percent between 2023 and 2030. The about page also describes a commitment to continual improvement.