From the U.S. Department of Commerce, Bureau of Economic Analysis…
Another source, for GDP and GDP growth rates of other countries, is the Economic Research Service of the U.S.D.A….
Use the Bureau of Labor Statistics online database to select the price indices you want, at the industry level or product level.
Industry Price Indices http://data.bls.gov/cgi-bin/dsrv?pc
Product Price Indices http://data.bls.gov/cgi-bin/dsrv?wp
The Institute for Supply Management is probably best known for it’s Purchasing Manager’s Index (PMI), but their website also contains a series of other indexes, including New Orders, Production, Employment, Supplier Deliveries, Inventories, Customer Inventories, Prices, Backlog of Orders, Imports, and Buying Policy.
http://www.ism.ws/ISMReport/ (See “Latest Manufacturing ROB” for the PMI)
From the U.S. Bureau of Labor Statistics