Machine shop
Checked Oct 8, 2026
Mar's Engineering Co
San Leandro, CA · prototype to production
Certifications · select one to see where it is stated
Where each detail comes from
- Processes · Screw machining
“Precision screw machining of complex parts to close tolerances has been our specialty service since 1964.”
marseng.com - Processes · CNC milling
“our CNC milling machine service delivers high-quality, custom-machined components”
marseng.com/cnc-milling/ - Processes · CNC turning
“M.A.R.’s provides precision CNC turning operations that deliver enhanced part performance.”
marseng.com - Processes · EDM
“We provide wire EDM services to produce parts with tight tolerances”
marseng.com - Processes · Grinding
“we centerless grind a diverse range”
marseng.com - Processes · Waterjet cutting
“Flow Maxiem 60,000 psi water pressure”
marseng.com/cnc-milling/ - Processes · Plating
“We provide an extensive range of metal finishing as well as plating services for screw machined parts and components.”
marseng.com - Processes · Assembly
“Finishing, Plating, Polishing, and Light Assembly”
marseng.com - Processes · Lapping and polishing
“Metal Polishing, Finishing, Plating, & Light Assembly”
marseng.com - Processes · Drilling and tapping
“5 – Powermate tapping machines”
marseng.com/equipment-list/ - Processes · Prototyping
“Providing complete prototyping, manufacturing services, and assembly work in one facility”
marseng.com - Processes · Anodizing
“Metal Finishing Anodize Chrome Hard Chrome Zinc Black Oxide”
marseng.com/equipment-list/ - Processes · Powder coating
“Alodine Powder Coat Passivation”
marseng.com/equipment-list/ - Materials · Aluminum
“Aluminum, stainless steel, carbon steel, and brass are commonly machined”
marseng.com/cnc-milling/ - Materials · Stainless steel
“Aluminum, stainless steel, carbon steel, and brass are commonly machined”
marseng.com/cnc-milling/ - Materials · Carbon steel
“Aluminum, stainless steel, carbon steel, and brass are commonly machined”
marseng.com/cnc-milling/ - Materials · Copper, brass and bronze
“Aluminum, stainless steel, carbon steel, and brass are commonly machined”
marseng.com/cnc-milling/ - Materials · Tool steel
“Hardened steels, tool steels, carbide, and other high strength alloys can be processed”
marseng.com/edm-machining/ - Materials · Plastics
“From soft plastic and aluminum to hardened steel and hard chrome”
marseng.com - Certifications · ISO 9001
“ISO 9001:2015/ AS9100 D Certified”
marseng.com - Certifications · AS9100
“ISO 9001:2015/ AS9100 D Certified”
marseng.com - Industries · Aerospace
“parts suitable for aerospace, food processing, plus several other industries.”
marseng.com - Industries · Automotive
“industries such as aerospace, automotive, and industrial manufacturing”
marseng.com/cnc-milling/ - Industries · Food and beverage
“parts suitable for aerospace, food processing, plus several other industries.”
marseng.com - Industries · Medical
“Electrical/ Utilities Medical Since we opened in 1964 we have”
marseng.com - Industries · General industrial
“industries such as aerospace, automotive, and industrial manufacturing”
marseng.com/cnc-milling/