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Alpha Circuit I LLC is located in Chicago IL. and has been manufacturing printed circuit boards since the 1985. They have a very strong engineering and customer service presence offering quick turn deliveries on time and on budget. Heavy copper experts, IMS LED technology, 2-30 layers. ITAR, UL, IPC, AS9100.
Prototron is a US based manufacturing facility in Arizona. They have been manufacturing boards since 1987 and have an excellent reputation for quality products on time. Their specialty is fast turn small to medium volume, RF Microwave, ITAR, AS9100, Mil-Spec 31032, Small Volume, HDI, Aerospace, Quick Turn Specialist.
Siber Circuits is a prototype and production supplier of standard rigid and flexible Printed Circuit Boards located in Markham, which is the high-tech hub of Ontario, Canada. We’ve been in business since 1985 and have a total of well over 100 years of combined experience in circuit board manufacturing. Siber Circuits offers rigid printed circuits, 2-40 layers. They also offer flex and rigid flex technology solutions.
With 25+ years of PCB industry experience, Fineline-USA delivers unrivaled one-stop PCB solutions, offering rapid turnaround to any PCB technology and volume and uncompromised quality standard. Our team of value engineers enable broad range of solutions tailored for your needs.