Harold Brosch is the official supplier for the European Fremo standard. There are a large number of Fremo standard profiles, which Brosch has laser cut. His online store, eisenbahn-modulbau is currently in german only. Brosch sells a 100 cm long straight module with Fremo-USA profile ends for 52.00 Euros as of Oct 2007. Shipping and customs to the USA are additional and significant.
Berret Hill Trains builds custom benchwork, layouts and modules to any standard. The website advertises custom benchwork can be as low as $12-15 per square foot. At the $15/sq. ft. rate, a 2×4 foot module would be about $120 plus shipping.
Scalecraft Baseboards offers a variety of module sizes, from 1×2 foot to 4×6 foot, both with and without legs. The 612LA is a 2×4 foot module with adjustable legs for £70 with “mainland only” delivery an additional £10 as of March 2008.
Reality Reduced offers a 2×4 foot Ntrak or NMRA module complete with legs called the POFF (“Plain Old Four Footer”). The POFF is availabe through Feather River Trains for $299 plus shipping or from ebay for $275, including shipping to the lower USA 48 as of Jan. 2008. Additional information is available in the pdf assembly instructions .
Martin & Johnson Mfg of Freemont, CA manufacture and “Domino Benchwork” that is available with fiberboard or extruded foam tops in 2×4 foot modules. A 2×4 ft domino with 1 inch foam top is $83.60 each plus shipping as of Dec. 2007.
Sievers is a retail manufacturer of benchwork for model railroders. The Order page has a 24×48 section for $46.75 as of Oct. 2007. Shipping and legs are extra.