Website link

Steel

Organizations:

American Institute of steel Construction (www.aisc.org)

American Joist Institute (www.steeljoist.org)

Steel Deck Institute (www.sdi.org)

Trusses and joists:

1. Cornornis Building Systems, Inc.-Manufacturer of pre-engineered structural steel truss frames 30 ft to 200 ft (www.trussframe.com).

2. Valley joist - Manufacturer of steel joists and steel decks in Arizona, Florida, Georgia,  Indiana, Los Angeles, Ohio/Kentucky, Pennsylvania, San Francisco, Seattle, Tennessee, Virginia. (www.valleyjoist.com)

3. Vulcraft - Manufacturer of Steel joists, joist girder, and steel decks. Location: Alabama, Indiana, Nebraska, South Carolina, Texas, Utah. (On-line catalog: Vulcraft steel joist and joist girder catalog.)

Steel decks:

1. Vulcraft - Manufacturer of Steel joists, joist girder, and steel decks. Location: Alabama, Indiana, Nebraska, South Carolina, Texas, Utah.(On-line catalog: Vulcraft steel roof and floor deck catalog.)
2. Valley joist - Manufacturer of steel joists and steel deck. (www.valleyjoist.com)
3. Commercial Siding & Maintenance Co., Inc. Manufacturer of metal decking etc. Location: Painesville Ohio, Huston Texas, USA. (www. csmmetalmart.com/prod1.html)
4. EPIC metals Corporation - Manufacturer of specialty steel deck system (4.5" to 15" wideck and wideblend long-span roof and floor deck ceiling, deck span up to 45 ft) Location: Rankin PA, USA. (www.epicmetals.com)
5. United Steel Decks - steel decks for floors and roofs. (www.njb-united.com/usd.htm)

Space frame:

1. Advanced Structure Incorporated - Design, fabrication, erection of structural steel space frame, Art glass, cable nets, cool canopies, glass walls, glass roofs & skylights, maximum transparency, tensioned fabric. Location: Los Angeles, CA, New York, USA, Kaohsiung, Taipei, Taiwan (www.asidesign.com)
2. Busch industries, Inc. - Design, fabrication, erection of space frame system, steel tubular framing, bolted glass, stainless steel by TriPyramid. Location: Grand Rapids, Michigan, U.S.A (www.buschindustries.com)
3. Delta structures - nc. - Design, fabrication, erection of steel space frame system, (Double sphere, Pyramid sphere, Hemispherical node). Location: Melrose Park, Illinois, USA. (www.deltastructures.com)
4. Mero structures Inc. - Design, fabrication, erection of steel space frame for architural structures & envelopes, access floors, exhibit systems, aircraft maintenance sytems. Location: Location: Wisconsin USA, Germany (Head quarter), Italy, China, Japan, Malaysia, Singapore. (www.mero.com)

Concrete

American concrete institute (http://www.aci-int.org)

Masonry

National Concrete Masonry Association (www.ncma.org)

Timber

Plywood:

American plywood association (www.apawood.org)

North American plywood association (www.northamply.com)

Wood to wood connector: 

Simpson strong tie connector (www.strongtie.com)

United Steel Products Company-USPstructural connector (www.uspconnectors.com)