Fireplaces & Chimneys:
Chimneys.com
Rumford Fireplaces
Chimney Venting Information
CSIA (Chimney Safety Institute of America)
NCSG (National Chimney Sweep Guild)

Foundations & Repairs:
Atlas Piers
Haag Engineering Company
Basement Moisture Causes & Solutions
Power Lift Foundation Repair

Home Inspection Associations & Training:
ASHI(American Society of Home Inspectors)
NACHI (National Association of Certified Home Inspectors)
NAHI (National Association of Home Inspectors)
PITI (Professional Inspection Training Institute)
ACI (Association of Construction Inspectors)
IHINA (Independent Home Inspectors of North America)

Lead Paint:
EPA(Environmental Protection Agency)

Mold & Fungus:
Stachybotrys (Black Mold)
Mold Testing Information
Toxic Mold
EPA (Environmental Protection Agency) - Should Air Ducts be Cleaned?

Plumbing:
Plumbing Express - Polybutylene Specialists

Radon Gas:
NRSB(National Radon Safety Board)
Air-Check
EPA (Environmental Protection Agency)
RTCA (Radon Testing Corporation of America)

Real Estate Services
Missouri Housing Alliance
Kansas City Regional Association of Realtors
Missouri Association of Realtors (MAR)
Kansas Association of Realtors (KAR)
National Association of Realtors
Kansas City.Com
Real Estate ABC
REALS - A Comprehensive Real Estate Directory

Roofing:
Haag Engineering Company(top notch group)
Cedar Shake & Shingle Bureau
Roofhelp.com (good roofing info site)
ARMA (Asphalt Roofing Manufacturers Assoc)

Sidings (Hardboard and/or Masonite Siding Information):
Home Claim Services.com
Siding Solutions.com
Masonite Claims.com

Stucco & EIFS (Exterior Insulation Finish System):
EDI (Exterior Design Institute)
TLPCA (Texas Lath & Plastering Contractors Association)
Stucco-Pro (Moisture Testing)
Moisture Warranty Corporation
Dryvit
STO Corporation
Parex, Inc.
EIMA (EIFS Industry Manufacturers Association)

Tools & Equipment:
Tool Crib of The North
Professional Equipment