ASICS.ws
   Provides FPGA and ASIC design services as well as many IP cores.
   http://www.asics.ws

Adapticom Inc.
   Design and fabrication of electronic/computer hardware, specializing in the creation of data collection tools, custom high speed 100mhz digital designs using both discrete logic and FPGAs.
   http://www.adapti.com/engineering-services.html

Adaptive Micro-Ware, Inc.
   Digital hardware and software design firm in Fort Wayne, Indiana.
   http://www.adaptivemicroware.com/welcome.html

American Microsystems, Inc.
   Provides mixed-signal, digital ASIC and ASSP solutions. AMI also offers solutions for foundry, custom works.
   http://www.amis.com

Andraka Consulting Group, Inc
   Digital hardware design firm that concentrates on FPGA projects. xilinx experts.
   http://www.andraka.com/

Aspen Logic, Inc.
   Design, implementation and verification services for the development of ASIC and FPGA hardware designs.
   http://www.aspenlogic.com

Axcon - The FPGA Power House
   FPGA and ASIC design, high-speed board-level, EMI, embedded software and mechanical design. Based in Denmark.
   http://www.axcon.dk

Core Foundry
   High performance FPGA cores for SONET systems and telecommunication designs.
   http://www.corefoundry.com/

Digital Design Solutions
   Specializing in PLD, FPGA, DSP, and embedded hardware design, DDS can supplement your design group by adding knowledge, capabilities, and resources.
   http://www.digital-designs.com/

Easics
   Offers System-on-Chip design services for telecom and consumer electronics applications.
   http://www.easics.be/

Enterpoint Ltd - FPGA and CPLD Design Consultants
   Enterpoint provides consultancy and design services in FPGA and CPLD technologies. We are Xilinx's Xperts consultants but also provide our services for Altera, Actel, Cypress and Lattice Products. xilinx xperts
   http://www.enterpoint.co.uk

FPGA Alchemy
   FPGA design and development.
   http://www.fpga-alchemy.com/

Finger Lakes Engineering
   Custom turn-key development of embedded control systems and fpga designs combined with both software and mechanical design services.
   http://www.fl-eng.com

Fliptronics
   Digital systems and software consulting company.
   http://www.fliptronics.com/

Interface Masters, Inc
   Full service embedded system design and development.
   http://www.interfacemasters.com

Intulogic Engineering, LLC
   Offers high speed high-performance Xilinx IP cores, specializing in DSP functions such as FFT and digital down conversion.
   http://www.intulogic.com

Millogic
   ASIC and FPGA design consultants, and provides hardware and software design services.
   http://www.millogic.com

Nallatech - FPGA centric systems
   Delivering FPGA Centric High Performance Reconfigurable Computers. As a Xilinx Diamond Partner with our DIME2 modular system we can offer the optimum FPGA based solutions and systems.
   http://www.nallatech.com

North Pole Engineering
   Consultants providing FPGA, high speed memory controller for a microprocessor based system, smart I/O interface devices for mainframe systems, ASICs, high speed smart DMA controller and general microprocessor glue logic designs.
   http://www.northpoleengineering.com/fpga.htm

Polybus Systems Corp
   Designs and develops computer related hardware and software including FPGA design and development, VHDL and Verilog design, simulation and synthesys and PCI board development.
   http://www.polybus.com

QinetiQ Real-Time Systems Laboratory
   Offers a range of products, services and consultancy for embedded DSP and FPGA based applications.
   http://www.quixilica.com

Shax Engineering and Systems
   Offers an integrated system design, hardware development, and FPGA/ASIC synthesis, verification, and implementation services.
   http://www.shax-eng.com

Siliconexion, Inc.
   Complete source for ASIC and FPGA design support and consulting, from turnkey designs to development process assistance.
   http://www.siliconexion.com/

Tao of Digital, Inc.
   Provides complete custom electronic design and manufacturing services, specializing in FPGA design.
   http://www.taoofdigital.com

Technovare
   FPGA and Asic designs.
   http://www.technovare.com/

V-Integration
   Providing FPGA and ASIC design services, VHDL modeling, and custom IP core design for a wide variety of industries and products.
   http://v-integration.com

enSpire
   Provides ASIC and FPGA design services, FPGA to ASIC conversions and IC design consultancy.
   http://www.enspire.co.uk/