PECO Manufacturing Co., Inc. Manufacturing facility specializes in die casting, injection molding, screw machining, finishing, and electro-mechanical assembly. Also, Sunne Controls Division makes temperature controls and related items.

Perfecto Tool & Engineering Co. Inc. Concentrates on design and fabrication of special machinery and precision tooling for broad range of manufacturing and service industries. Also undertakes contract machining assignments.

Perforated Tubes, Inc. Manufacturer of perforated tubes for use in filtration, automotive, furnace, and aerospace applications. Offered in welded or lockseam configurations and various materials.

Pettersson & Palner. Hot stamped and machined components in brass, copper and, aluminium.

Philadelphia Carbide Company Designs and manufactures variety of machine and wear parts, punches and dies, and special purpose components in tungsten and silicon carbide and ceramic materials. Site describes capabilities and includes examples of end products.

Philip Roberts Models. Builds new product and engineering prototypes and display models.

Philips Machining Co. Provides wire EDM service for tool and die shops, machine shops, stamping companies, and manufacturing operations.

Pierson Precision, Inc. Offers high quality machined and sheetmetal parts to a variety of industries.

PIMCO Manufacturing, Inc. A production machine shop with CNC Lathe and mill capabilities.

Plasidyne Engineering & Manufacturing Inc. Molding and machining shop. Services include grinding, turning, tooling, stamping and pressing, milling, heat treating, and sawing.

Plasteel Corporation. Plastic shapes molder. Manufacturing antenna balls, satin ornaments, foam shapes, and craft kits.

Plasteure Specialists in the transformation of polymers, primarily through injection molding. Plus materials research, rapid prototyping, and assembly, polishing, and finishing.

Plastigi NV. Specializes in rotational molding. Also in Dutch.

Plotz Machine. Remanufactures replacement parts for commercial industrial users. Also rebuilds industrial water pumps, cooling towers and ventilation systems.

PM Mold Company. Precision mold and molding company featuring multi-shot components tooling and products from small prototype to large production.

PMM Investment Castings. A metal foundry pouring titanium, stainless steel, and other alloys for consumer and aftermarket products.

Pointe Precision. Providing machined parts to aerospace, medical, fluid power, recreational, and industrial industries.

Poly Roll, Inc. Specializing in custom molder of cast polyurethanes.

Port Shell Modling, Inc. Casting aluminum and all non-leaded brass and bronze alloys, specializing in engineering grades of silicon, aluminum, and manganese bronze.

Potomac Photonics, Inc. Manufactures laser machine tools for high precision micromanufacturing and provides contract services, including process development, prototyping and production runs.