Xeltek
- Manufactures and sales of universal programmer and adapter.
- http://www.xeltek.com/

MathStar, Inc
- Reprogrammable logic platform chips, especially for communications and digital signal processing applications.
- http://www.mathstar.com/

Aeroflex Inc
- Qualifies and sells space and radiation hardened semiconductors, including FPGAs.
- http://www.aeroflex.com/

Leopard Logic, Inc.
- Manufactures configurable digital logic devices that combine concepts from both FPGAs and ASICs (via mask-programmability).
- http://www.leopardlogic.com/

Anadigm, Inc
- Manufactures field programmable analog array (FPAA), an analog version of an FPGA.
- http://www.anadigm.com/

QuickLogic Corp
- Makes stand-alone devices such as PCI bridges, memory controllers, and GbE Ethernet MACs, in addition to FPGAs that integrate parts of the stand-alone devices.
- http://www.quicklogic.com/

Altera Corporation
- Manufactures CPLDs and SRAM based FPGAs.
- http://www.altera.com/

Xilinx, Inc
- Manufactures CPLDs and SRAM based FPGAs.
- http://www.xilinx.com/

Actel Corp
- Produces three different styles of FPGAs: antifuse, flash, and SRAM.
- http://www.actel.com/

Lattice Semiconductor Corp.
- Produces analog and digital FPGAs, including the ORCA FPSC assets purchased from Agere (formerly Lucent).
- http://www.latticesemi.com/