NY Semi
- A stocking distributor of obsolete and hard to find electronic components.
- http://www.nysemi.com

Cross Components, inc.
- Supplier of obsolete, hard to find and long lead time items. On line search engine.
- http://crosscomponents.com/

Electronic Obsolete
- Supplier of old, obsolete and discontinued electronic components from the 1950's onward. Great search engine, you have to know the part number.
- http://www.electronicsobsolete.com

Broker1 KCS BV
- Obsolete and hard to find electronic components. Semiconductors and chips and a good search engine.
- http://www.broker1.org/

Electronic Material Industries, Inc.
- A buyer and seller of Mil Spec components, resistors, ic's, capacitors and other electronic material.
- http://www.militarycomponents.com/

Electronics Surplus Instruments and R and D Electronics
- These guys can supply old out of date IC's and discretes.
- http://www.electronicsurplus.com/

Dmac International
- Surplus and obsolete electronics components.
- http://www.webdmac.com/

Circuit Solutions Inc
- A distributor of new and obsolete electronic components.
- http://www.cirsolutions.com

Rochester Electronics Inc
- A source of obsolescent semiconductors, leaders on the trailing edge of technology.
- http://www.rocelec.com/