Research & Directory Methodology
How ServiceFind Pros compiles trade taxonomies, verifies regional pricing data, and evaluates independent contractor networks.
1. Trade Taxonomy Architecture
Our 299 active trade categories are modeled on the North American Industry Classification System (NAICS) and standard CSI MasterFormat divisions. Each category distinguishes between diagnostic repair, total replacement, and preventative maintenance.
2. Geographic Distance Modeling
Nearby municipal connections are generated using mathematical Haversine calculations from verified US Census geographic coordinates. We do not invent arbitrary travel times or fake branch offices.
3. Consumer Protection & Evidence Basis
We consult consensus engineering standards (NFPA, IAPMO, ASHRAE, IRC) to provide factual technical guidance on home systems and safety hazards.