Fiber Reinforcement of Concrete Structures
Extensive technical paper about the scientific background, behaviour, mechanical properties and characteristics of polypropylene reinforced concrete. Authors: R. Brown and others.
http://www.uritc.uri.edu/media/finalreportspdf/536101.pdf

Synthetic Industries, Inc.
Provider of Fibermesh, Steel, and Synthetic concrete reinforcement products - Propex Concrete Systems
http://www.fibermesh.com/

Sogefibre
Manufacturer of fiber-reinforced concrete containers used for nuclear waste storage.
http://www.sogefibre.com/

Synthetic Resources Inc.
Synthetic Resources provides, synthetic product to several industries, plastic or synthetic baling twine, netwrap and hay tarps for the agricultural industry and synthetic reinforcement fiber for concrete, this is used in all concrete where extra strenght is needed. Especially roadways, sidewalks, building fronts, feed bunks, and parking garage floors
http://www.syntheticresources.com/concrete/fiber.php

Performance of Reinforced Concrete
The Java Applet predicts the structural performance of reinforced concrete panels.
http://www.mechanics.citg.tudelft.nl/rc/

Aristone Concrete Designs
Architectural Precast Products - Produces architectural columns, trim and mantles in precast concrete, plaster and glass-reinforced concrete.
http://www.aristonedesigns.com/

Architectural Restoration Castings Co.
Formglas is the world's leading manufacturer of custom-cast gypsum and cement-based ARChitectural products.
http://www.arcgfrc.com/

RAPT Concrete Design Software
Reinforced concrete and partially prestressed concrete members to various design codes.
http://www.raptsoftware.com/

Dew Pitchmastic Plc
Dew Pitchmastic offers specialist construction nationwide through a network of regional offices and, in the case of the most specialist activities, from centres of skills and other resources, which can deliver their services throughout the UK and, on occasions, overseas.
http://www.dewpitchmastic.co.uk/

Concrete Protection Products Inc.
Concrete Protection Products, Inc. is a concrete rebar fabricator/distributor specializing in fiberglass rebar, concrete rebar, carbon rebar, FRP rebar, non-metallic rebar, and composite rebar for reinforcing concrete structures of all types.
http://www.fiberglassrebar.com/