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1 Building or common and face bricks. 2 Includes quarry tile. Source: U.S. Census Bureau, through 1992, Current Industrial Reports, series M32G, MQ32D, and MA32C, annual;and thereafter, Manufacturing Profiles, series MP, annual. http://www.census.gov/econ/www/manumenu.html * REFRACTORIES PURPOSE To provide detailed data on quantity and value of shipments of clay and non-clay refractories. The United States Code, Title 13, authorizes this survey and provides for mandatory responses. COVERAGE All companies that manufacture clay and non-clay refractories (most but not all are in SIC 3255 and 3297); refractories included firebricks and other heat resisting products. In 1993, total manufacturer's shipments of refractories amounted to nearly $2 billion. CONTENT Product data are collected for over 50 types of refractories. Data at the 7 digit SIC level include value of shipments, and quantity of shipments by metric ton and volume. FREQUENCY Annually; reported data are for activities taking place during the previous calendar year. Prior to 1988, these data were collected quarterly. Data on refractories have been collected since 1947. METHODS A mail-out/mail-back survey of all 206 known manufacturers. Companies are identified from the latest census of manufactures and annual survey of manufactures. Firms are contacted using form MA32C. Data may be revised if firms later report corrected data. Annual figures are compared with data collected from the latest census of manufactures or the annual survey of manufactures to reconcile any differences between the series. * CLAY CONSTRUCTION PRODUCTS PURPOSE To provide detailed data on production, and quantity and value of shipments of clay construction products. The United States Code, Title 13, authorizes this survey and provides for voluntary quarterly and mandatory annual responses. COVERAGE All companies manufacturing clay products, including brick, tile, pipe, and fittings (most but not all are in SIC 3251, 3253, and 3259). In 1993 shipments of clay brick amounted to nearly $1 billion. CONTENT Product data are collected for 9 types of clay products. Data at the 7-digit SIC level include production, total value of shipments, and quantity of shipments. FREQUENCY Quarterly and annually; reported data are for activities taking place during the applicable reporting period. Prior to 1991, data were collected on a monthly basis. Data on clay products have been collected since 1947. METHODS A mail-out/mail-back survey of all 250 known manufacturers; annual reports are required from companies that do not report quarterly. Companies are identified from the latest census of manufactures or the annual survey of manufactures (ASM). Firms are contacted using form MQ32D. Quarterly data may be revised if firms later provide corrected data or the annual report. Annual figures are compared with data collected from the latest census of manufactures or ASM to reconcile any differences between the series. * GLASS CONTAINERS PURPOSE To provide current detailed data on shipments, production, and stocks of glass containers. The United States Code, Title 13, authorizes this survey and provides for voluntary monthly and mandatory annual responses. The Glass Packaging Institute partially funds this survey. COVERAGE All manufacturers of machine-made glass bottles, jars, vials, and tumblers for commercial packing or home canning, whether for sale or use by the producing company (most but not all are in SIC 3221). In 1994, production of glass containers amounted to over 288 million gross. CONTENT Data are collected for 15 types of glass containers. Product data collected at the 7-digit SIC level include; total production, net packed weight produced, quantity of shipments, and end of month stocks. FREQUENCY Monthly and annually; reported data are for activities taking place during the applicable reporting period. Data on glass containers have been collected since 1945. METHODS A mail-out/mail-back monthly survey of 16 known manufacturers; annual reports are required from those companies that do not report monthly. Firms were identified from the latest census of manufactures or the annual survey of manufactures. Firms are contacted using form M32G. Monthly data may be revised if firms later provide corrected data or return the annual report. Annual figures are compared with the data from the latest census of manufactures and the annual survey of manufactures to reconcile any differences between the two series. * These tables are based on figures supplied by the United States Census Bureau, U.S. Department of Commerce and are subject to revision by the Census Bureau. Copyright © 2006 Photius Coutsoukis and Information Technology Associates, all rights reserved. |