The NAIC and SIC systems are systems for organizing and reporting on economic activity in the US. NAICS has replaced the SIC system and government economic data now uses NAICS to organize data. However, many reference materials still arrange information by SIC code; therefore, you may also need to determine your company's SIC code.

NAICS (2002 ed.)

NAICS-to-SIC Bridge - Determine the SIC code for a corresponding NAICS code.

For a more comprehensive discussion of the NAICS system, see the Bureau's NAICS Background page.

• Standard & Poor's Industry Surveys
  Ref. HC 101 .S72 (Index at Reference Desk; latest surveys at Circulation Desk)
  
• Manufacturing & Distribution USA (2003 ed.)
  Ref. HD 9721 .M3495

• ValueLine Investment Survey -- Ratings & Reports
  Ref. HG 4501 .V26 (Index at Reference Desk; latest surveys at Circulation Desk)

• WEFA Industrial Monitor
  Ref. HC 101 .W44 (2000/2001)

• Encyclopedia of American Industries
  Ref. HC 102 .E53 2005 (2 vols.)