OldVic.com

D & C Bidding Services
Buyers request quotes for printing jobs from a network of U.S. screen and commercial printers.
www.bidsonprinting.com/

Bridge Bidding Systems and Conventions
Thorough listing of bridge bidding systems and conventions, particularly those used in North America.
www.chemistry.ohio-state.edu/

M.A.F. - The Ultimate Bridge Bidding System
A scientific bidding system from the Netherlands (5-card majors and different two-suiter openings). Bilingual site gives information in English and Dutch.
web.inter.nl.net/

Precision Bidding System
Detailed description of the Precision Bidding System (strong 1 club opening, with 16+ points), as modified by one partnership.
acp.atlanta.ga.us/

Bidding Quest
Practice bidding on prepared deals with scores. Compare and check how other pairs have bid same boards. Try bidding competition with anonymous partner.
www.biddingquest.com/

Bidding by Design
Proposes articles on bidding system theory and offers examples for download. Free system design software available for download.
www.xs4all.nl/

Aggressive Bidding Foundation
Proposes an approach based on a math model over computer analysis. Provides famous pairs systems, an exposition of the theory and a bidding machine.
public.aci.on.ca/

Bidding Order Shows Strength (BOSS)
Describes a system where priority is given to the strenght of the partnership hands.
www.jhardie.pwp.blueyonder.co.uk/

The Chilli Bidding System
Gives priority to simplicity and universality of rules.
chillibidding.org/

Janitorial Plus, Inc.
Commercial cleaning services in Wisconsin and Minnesota.
www.janitorialplusinc.com/