PCB Manufacturing
PCB Manufacturing and Assembly is offered by various companies.
Beta-Layout
The german company Beta-Layout offers a variety of services and is usually quick and cheap to make a couple of board to prototype.
Alternatively, there is also Eurocircuits, which offers more options (auto panelling, soldermask colours) at a slightly more premium price.
R2 Prototyping
The Swiss company R2 Prototyping offers a complete manufacturing service. They will also do a manufacturing review for more complex layouts.
Material to Submit
Project Description (PDF, Eagle Files)
Material List (BOM)
Assembly Plan
Quantity, Time, PCB Color, ...
Services
External PCB Making (They also order at Beta-Layout)
Material Ordering (They add 15% to the material costs. Otherwise they charge 7.- per reel/tape)
PCB Assembly (They have a lot of resistors and capacitors on reel and will use them when possible)
Notes
Markers: Are optional if they order the PCBs and place them on the frame. Otherwise a 1mm circle surrounded by 2mm space.
Silk Screen: Is optional, not needed for Pick&Place
Loose Material will cost a little bit additionally