Here are some links that I visit in my industry. I hope you find them as useful as I have.
Adolf Kiefer Sports Group
Aqua Janitor
Aqua Robotic Cleaners
Aquaclear - Sun Chemicals
AquaWeb for Aquatic Pros
ARCAT Catalog - SWIMMING POOL
Austrailian Pool Builder
A&A Manufacturing Online
Baja Spas
BioGuard
CA Health & Safety Regulations
CCSI Pool Enclosures
Cinderalla Pool Copings
ConstructionNet Directory
Contractor Referral Service
Contractor's State Lic. Board
San Diego CO. Health Dept.
Defiance Water Recreation
Dimension One Spas
Direct Pool Products
District Attorney Mech Liens
Emerald Spas
Endless Pools
Hanna Instruments
Heliocol Solar
Hot Spring Spas
Hydroquip
Hydrospa
Guide To Pools and Spas
IPSSA, Inc.
Jacuzzi Brothers
Journal of The Pool Industry
Law Office of Robert A. Nellessen
Law Offices of GADE & CAULEY
MECHANICS' LIENS
Nation Wide Construction Link
National Pools & Spas, Inc.
National Spa & Pool Institute
NCS -- Lien Digest U.S. Edition
Links on Pool Floatation
storm prep
Defontenay
Allpool.com -tips
Poolrepair.com
Tri city pool
Sun sentinel
Architect's Message Board
Mike the Pool Man
Olin Pool Chemicals
OMNI
PermaCrete resurfacing, concrete coating, exterior
Pool and Spa News
Pool and Spa
Pool Wizard
Pool & Spa News
Pools and Spas
Pools Etc. Inc.
Solutions for Pool Owners & Swimmer
PoolSpa Com - Online poolzine
Poolways Magazine
Professional Pool Opers. of America
PurexTriton Home Page
Purity Pool
Qualco Inc
Restoration Professional Secrets!
Rhino Coatings
Safety Covers of America
SBE - Forms and Books - R. S. Means
Sci.Electronics.Repair FAQ
Pool wallpaper, themes
SCRUB R
Service Industry News
SLP Pool/Spa/Liesure Products
Solapool
Solar Depot
Spa Builders Support
Spa Parts Plus
SPLASH
pool design software
Spray Crete
Sprint Aquatics
Sta Rite Industries
California Contractors State Lic. Board
Steam Whirl
Stranco
Sundance Spas
Swimline International Products
Swimming Links
Swimming Pool Equipment & Supplies
Swimming Pool-Spa Age Magazine
Teledyne Laars-Jandy Products
The Journal of Light Construction
The Journal of the Swimming Pool and Spa Industry
The National Plasterers Council
Waterway Plastics