I googled both numbers and came up with the following web sites from the US Census Bureau John Minor University of Illinois ------------------------------------------------- http://www.census.gov/epcd/ec97/def/811490.HTM http://www.census.gov/epcd/naics02/def/ND541990.HTM NAICS 811490: Other Personal and Household Goods Repair and Maintenance This industry comprises establishments primarily engaged in repairing and servicing personal or household-type goods without retailing new personal and household-type goods (except home and garden equipment, appliances, furniture, and footwear and leather goods). Establishments in this industry repair items, such as garments; watches; jewelry; musical instruments; bicycles and motorcycles; motorboats, canoes, sailboats, and other recreational boats. The data published with NAICS code 811490 are comprised of these parts of the following SIC industries: 3732 (pt) Boat Repair 7219 (pt) Garment Repair and Alteration Services 7631 Watch, Clock, and Jewelry Repair 7692 Welding Repair 7699 (pt) All Other Repair and Related Services
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