Marshall Sales, Inc.
Distributes rivets, threaded inserts, threaded products and fastening systems, such as tools and fixtures.
http://www.marshallsales.com/

All-Ohio Threaded Rod Company
Manufacturer of threaded rods, threaded studs, industrial bolts, anchor bolts, galvanized bolts and stainless fasteners. Shipments to northeast Ohio, Pennsylvania.
http://allohiorod.com

QuickDNS
Speed up webserver log analysis by performing all the DNS lookups completely multi-threaded with this utility. 20x faster than the normal (single-threaded) method.
http://www.analogx.com/contents/download/network/qdns.htm

Lancaster Threaded Products, Inc. (LTP)
Manufacturer of threaded and unthreaded rod and bar products, flat washers and nuts in many different finishes, sizes and materials, based in Lancaster, PA.
http://www.lancasterthreaded.com

Async
Async is a multi-threaded activex component that gives visual basic developers the ability to create multi-threaded applications and dlls.
http://www.evansprogramming.com/async.asp

Threaded Intercal
Malcolm Ryan's proposed standard for Threaded Intercal, version 0.2.
http://www.cse.unsw.edu.au/~malcolmr/intercal/threaded.html

RDOS
Multi-process/threaded protected mode OS for all i386+ systems, written in all 16-/32-bit Assembly in TASM, fully PROMable so can port to embedded systems with no keyboard and/or screen, stable and secure via segment protection and paging. [Open Source, GPL]
http://www.rdos.net/

Scieneer Common Lisp: SCL
Multi-threaded CL, supports symmetrical multiprocessor (SMP) Unix systems.
http://www.scieneer.com/scl/

trn: Threaded RN
A textbased newsreader for POSIX compliant systems. Under development. Developer is looking for programmers who would like to help with the development.
http://trn.sourceforge.net/

Genify: Smalltalk MT
Compiled Smalltalk. Design and deploy fastest Smalltalk applications available, head-to-head with C/C++, no compromise. Many samples, subscription library for serious development. Build Web servers, free-threaded COM components, multi-threaded DLLs and EXEs, games using DirectX library. Access APIs, callbacks, COM components directly from development environment.
http://www.genify.com/