Gao Yu Metal Co.,Ltd.
Manufacturer of adjustable multi-size round hole cutters, tile cutters, trowels, hedge shears and pruners. Taiwan .
http://www.gaoyu.com.tw/

Shajeng Hardware Co. Ltd.
Taiwan. Manufactures selection of tungsten carbide tipped hole saws and cutters, as well as adjustable hole cutters and foldable saws. Site describes design and uses of available products.
http://www.holesaw.com.tw/

B & N Sheet Metal
B & N, Precision Sheet Metal Manufacturers
http://www.bnsheetmetal.com/

Dave Mabon Sheet Metal
Read about this sheet metal business in the North County area of San Diego specializing in custom sheet metal and raingutter work.
http://www.dmsheetmetal.com/

New Horizons Foundation
Leading sheet metal contractors, in partnership with SMACNA, have established the New Horizons Foundation - A Sheet Metal Industry Initiative.
http://www.newhorizonsfoundation.org/

Sonoma Metal Products
Sonoma Metal Products has extensive experience in design, tooling and manufacture of precision metal fabrications including sheet metal, wireforms, sheet metal/wireform combinations, and steel and aluminum tube weldments.
http://sonomametal.com/

Pferd, Inc.
Files and rasps (all types), tungsten carbide burrs, ultrahigh speed steel (HSS), rotary cutters, hole saws, hole cutters, fine-grinding, polishing and brushing tools, diamond and CBN tools, reinforced grinding wheels and cut-off wheels for freehand use, cut-off wheels for stationary machines, air-powered straight and angular grinders, flexible shaft machines, electric power tools
http://www.pferd.com/

Ram Specialty Fabrications
Ram Specialty Fabrications, is a Connecticut based ISO 9002 welding shop specializing in precision sheet metal fabrication, steel fabrication, laser cutting, metal forming and welding.
http://www.ramwelding.com

K Suhr A/S
Hot, Cold and Ultrasonic Knife Cutting machines from SUHR
http://www.suhr.dk/

J.F. Sheet Metal Inc.
Sheet metal fabrication and welding company. Focus is on custom design and supply to customer specifications.
http://www.jfsheetmetal.com