NA Not available.
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 andnon-clay refractories. The United States Code, Title 13, authorizes thissurvey and provides for mandatory responses.

COVERAGE

All companies that manufacture clay and non-clay refractories (most but notall are in SIC 3255 and 3297); refractories included firebricks and otherheat resisting products. In 1993, total manufacturer's shipments ofrefractories amounted to nearly $2 billion.

CONTENT

Product data are collected for over 50 types of refractories. Data at the 7digit SIC level include value of shipments, and quantity of shipments bymetric ton and volume.

FREQUENCY

Annually; reported data are for activities taking place during the previouscalendar year. Prior to 1988, these data were collected quarterly. Data onrefractories have been collected since 1947.

METHODS

A mail-out/mail-back survey of all 206 known manufacturers. Companiesare identified from the latest census of manufactures and annual survey ofmanufactures. Firms are contacted using form MA32C. Data may berevised if firms later report corrected data. Annual figures are comparedwith data collected from the latest census of manufactures or the annualsurvey of manufactures to reconcile any differences between the series.

*CLAY CONSTRUCTION PRODUCTS

PURPOSE

To provide detailed data on production, and quantity and value ofshipments of clay construction products. The United States Code, Title13, authorizes this survey and provides for voluntary quarterly andmandatory annual responses.

COVERAGE

All companies manufacturing clay products, including brick, tile, pipe, andfittings (most but not all are in SIC 3251, 3253, and 3259). In 1993shipments of clay brick amounted to nearly $1 billion.

CONTENT

Product data are collected for 9 types of clay products. Data at the 7-digitSIC level include production, total value of shipments, and quantity ofshipments.

FREQUENCY

Quarterly and annually; reported data are for activities taking place duringthe applicable reporting period. Prior to 1991, data were collected on amonthly basis. Data on clay products have been collected since 1947.

METHODS

A mail-out/mail-back survey of all 250 known manufacturers; annualreports are required from companies that do not report quarterly.Companies are identified from the latest census of manufactures or theannual survey of manufactures (ASM). Firms are contacted using formMQ32D. Quarterly data may be revised if firms later provide correcteddata or the annual report. Annual figures are compared with data collectedfrom the latest census of manufactures or ASM to reconcile anydifferences between the series.

*GLASS CONTAINERS

PURPOSE

To provide current detailed data on shipments, production, and stocks ofglass containers. The United States Code, Title 13, authorizes this surveyand provides for voluntary monthly and mandatory annual responses. TheGlass Packaging Institute partially funds this survey.

COVERAGE

All manufacturers of machine-made glass bottles, jars, vials, and tumblersfor commercial packing or home canning, whether for sale or use by theproducing 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 collectedat the 7-digit SIC level include; total production, net packed weightproduced, quantity of shipments, and end of month stocks.

FREQUENCY

Monthly and annually; reported data are for activities taking place duringthe applicable reporting period. Data on glass containers have beencollected since 1945.

METHODS

A mail-out/mail-back monthly survey of 16 known manufacturers; annualreports are required from those companies that do not report monthly.Firms were identified from the latest census of manufactures or the annualsurvey of manufactures. Firms are contacted using form M32G. Monthlydata may be revised if firms later provide corrected data or return theannual report. Annual figures are compared with the data from the latestcensus of manufactures and the annual survey of manufactures to reconcileany differences between the two series.

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