• API Call: api.census.gov/data/2012/ewks
• Examples and Geographies: api.census.gov/data/2012/ewks.html
• Variables: api.census.gov/data/2012/ewks/variables.html
• Example Call: NAICS code = 54 - Professional, Scientific, and Technical Services, Number of Employees, All States

  api.census.gov/data/2012/ewks?get=EMP,OPTAX&for=state:*&NAICS2012=54&&key=YOUR_KEY_GOES_HERE

• Economic Census of Island Areas 

api.census.gov/data/2012/ecn/islandareas.html

api.census.gov/data/2012/ecn/islandareas/comp.html

api.census.gov/data/2012/ecn/islandareas/lines.html

• Economic Census of Island Areas: Core Statistics: Economic Census of Island Areas

api.census.gov/data/2012/ecn/islandareas/ind.html

• Finance and Insurance: Subject Series - Misc Subjects: Administrative Expenses and Benefits Paid for Life, Health, and Medical Insurance Carriers for the U.S.: 2012

api.census.gov/data/2012/ecnadmben.html

• Economic Census of the United States: Economic Census US Basic Data

api.census.gov/data/2012/ecnbasic.html

• Finance and Insurance: Subject Series - Misc Subjects: Brokering and Dealing Services Income for the U.S.: 2012 

api.census.gov/data/2012/ecnbranddeal.html

• All sectors: Core Business Statistics Series: Industry Bridge Statistics on 2012 NAICS Basis With Distribution Among 2007 NAICS-Based Industries for the United States: 2012 

api.census.gov/data/2012/ecnbridge1.html

• All sectors: Core Business Statistics Series: Industry Bridge Statistics on 2007 NAICS Basis With Distribution Among 2012 NAICS-Based Industries for the United States: 2012

api.census.gov/data/2012/ecnbridge2.html

• Finance and Insurance: Subject Series - Misc Subjects: Brokering or Dealing Services Income for the U.S.: 2012 

api.census.gov/data/2012/ecnbrordeal.html

• Other Services (Except Public Administration): Subject Series - Misc Subjects: Receipts/Revenue from Repayments of Cash Advances for the U.S.: 2012

api.census.gov/data/2012/ecncashadv.html

• Finance and Insurance: Subject Series - Misc Subjects: Credit Card Services Income for the U.S.: 2012 

api.census.gov/data/2012/ecnccard.html

• 2012 Economic Census - Economic Census US Economic Class of Customer

api.census.gov/data/2012/ecnclcust.html

• Wholesale Trade: Subject Series - Misc Subjects: Sales and Commissions of Electronic Markets, Agents, Brokers, and Commission Merchants for the U.S.: 2012

api.census.gov/data/2012/ecncomm.html

• All sectors: Core Business Statistics Series: Comparative Statistics for the U.S. and the States (2007 NAICS Basis): 2012 and 2007

api.census.gov/data/2012/ecncomp.html

• Subject Series - Misc Subjects: Construction Activity for Selected Industries for the selected geographies: 2012 

api.census.gov/data/2012/ecnconact.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Concession Operators for the U.S. and States: 2012 

api.census.gov/data/2012/ecnconcess.html

• Finance and Insurance: Subject Series - Misc Subjects: Types of Credit Financing Services Income for the U.S.: 2012 

api.census.gov/data/2012/ecncrfin.html

• Information: Subject Series - Misc Subjects: Receipts by type of Dissemination Media for the U.S.: 2012 

api.census.gov/data/2012/ecndissmed.html

• Wholesale Trade: Subject Series - Misc Subjects: Employment by Primary Function for the U.S.: 2012 

api.census.gov/data/2012/ecnempfunc.html

• 2012 Economic Census - Economic Census US Enterprise Support 

api.census.gov/data/2012/ecnentsup.html

• Wholesale Trade: Subject Series - Misc Subjects: End-of-Year Inventories for the U.S.: 2012 and 2011 

api.census.gov/data/2012/ecneoyinv.html

• Transportation and Warehousing: Subject Series - Misc Subjects: End-of-Year Inventories for the U.S.: 2012 and 2011 

api.census.gov/data/2012/ecneoyinvwh.html

• Transportation and Warehousing: Subject Series - Misc Subjects: Revenue-Generating Equipment for Passenger Transportation for the U.S. and States: 2012

api.census.gov/data/2012/ecnequip.html

• Utilities: Subject Series - Misc Subjects: Exported Energy to Canada and Mexico for the U.S.: 2012

api.census.gov/data/2012/ecnexpnrg.html

• 2012 Economic Census - Economic Census Exported Services Data 

api.census.gov/data/2012/ecnexpsvc.html

• Retail Trade: Subject Series - Misc Subjects:States: Floor Space by Selected Industry for the U.S. and States: 2012 

api.census.gov/data/2012/ecnflspace.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Primary Type of Food Service for the U.S. and States: 2012 

api.census.gov/data/2012/ecnfoodsvc.html

• Core Business Statistics Series, 2012: Franchise Status for Selected Industries and States

api.census.gov/data/2012/ecnfran.html

• Health Care and Social Assistance: Subject Series - Misc Subjects: Grants, Transferred Contributions and Similar Payments, with Net Expenses for the U.S.: 2012

api.census.gov/data/2012/ecngrant.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Number of Guestrooms for the U.S. and States: 2012 

api.census.gov/data/2012/ecnguest.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Guestroom Size of Establishments for the U.S.: 2012 

api.census.gov/data/2012/ecnguestsize.html

• Health Care and Social Assistance: Subject Series - Misc Subjects: Ownership and Control of Government Hospitals for the U.S.: 2012 

api.census.gov/data/2012/ecnhosp.html

• Manufacturing: Summary Series: General Summary: Method of Inventory Valuation by Subsector and Industries: 2012 

api.census.gov/data/2012/ecninvval.html

• Economic Census: Core Statistics: US Industry Product Data 

api.census.gov/data/2012/ecnipa.html

• Construction: Summary Series: General Summary: Value of Business Done for Kind-of-Business by Subsectors and Industries for U.S., Regions, and States: 2012

api.census.gov/data/2012/ecnkob.html

• Other Services (Except Public Administration): Subject Series - Misc Subjects: Receipts from Labor Charges and Parts Installed for Repair and Maintenance Services for the U.S.: 2012 

api.census.gov/data/2012/ecnlabor.html

• Manufacturing: Summary Series: General Summary: Inventories with LIFO Valuation by Subsector and Industries: 2012 

api.census.gov/data/2012/ecnlifomfg.html

• Mining: Summary Series: General Summary: Inventories with LIFO Valuation by Subsector and Industries: 2012 

api.census.gov/data/2012/ecnlifomine.html

• Management of Companies and Enterprises: Subject Series - Misc Subjects: Inventories with LIFO Valuation for the U.S.: 2012 and 2011 

api.census.gov/data/2012/ecnlifoval.html

• Economic Census of the United States: Economic Census US Lines Data 

api.census.gov/data/2012/ecnlines.html

• Finance and Insurance: Subject Series - Misc Subjects: Type of Loan Services Income for the U.S.: 2012 

api.census.gov/data/2012/ecnloan.html

• Manufacturing: Subject Series: Location of Manufacturing Plants: Employment Size for Subsectors and Industries by U.S., State, County and Place: 2012

api.census.gov/data/2012/ecnlocmfg.html

• Sector Statistics: Mining: Location of Mines by Employment Size for Subsectors and Industries for the U.S., States, and Offshore Areas 

api.census.gov/data/2012/ecnlocmine.html

• Wholesale Trade: Subject Series - Misc Subjects: Gross Margin and its Components for Merchant Wholesalers for the U.S.: 2012 

api.census.gov/data/2012/ecnmargin.html

• Mining: Subject Series: Materials Summary: Selected Supplies, Minerals Received for Preparation, Purchased Machinery, and Fuels Consumed by Type of Industry: 2012

api.census.gov/data/2012/ecnmatfuel.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Average Cost Per Meal for the U.S. and States: 2012 

api.census.gov/data/2012/ecnmealcost.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Principal Menu Type or Specialty for the U.S. and States: 2012 

api.census.gov/data/2012/ecnmenutype.html

• Health Care and Social Assistance: Subject Series - Misc Subjects: Receipts/Revenue by Type of Patient Care for the U.S.: 2012 

api.census.gov/data/2012/ecnpatient.html

• Wholesale Trade: Subject Series - Misc Subjects: Petroleum Bulk Storage Capacity by Type of Facility and Type of Product for States: 2012 

api.census.gov/data/2012/ecnpetrfac.html

• Wholesale Trade: Subject Series - Misc Subjects: Petroleum Bulk Storage Capacity by Type of Product and Storage Capacity Size for States: 2012

api.census.gov/data/2012/ecnpetrprod.html

• Wholesale Trade: Subject Series - Misc Subjects: Primary Method of Receiving Petroleum Bulk Liquid Products for States: 2012 

api.census.gov/data/2012/ecnpetrrec.html

• Wholesale Trade: Subject Series - Misc Subjects: Petroleum Bulk Storage Capacity by Type of Station by Type of Product for States: 2012 

api.census.gov/data/2012/ecnpetrstat.html

• Wholesale Trade: Subject Series - Misc Subjects: Gross Profit and its Components for Merchant Wholesalers for the U.S.: 2012 

api.census.gov/data/2012/ecnprofit.html

• Utilities: Subject Series - Misc Subjects: Cost of Purchased Electricity for Resale by Utilities for the U.S: 2012 

api.census.gov/data/2012/ecnpurelec.html

• Transportation and Warehousing: Subject Series - Misc Subjects: Cost of Purchased Transportation by Mode of Shipping for the U.S. and States: 2012

api.census.gov/data/2012/ecnpurmode.html

• Management of Companies and Enterprises: Subject Series - Miscellaneous Subjects: Summary Statistics for Research and Development Acquisition for Selected Industries for the U.S.: 2012 

api.census.gov/data/2012/ecnrdacq.html

• Management of Companies and Enterprises: Subject Series - Misc Subjects: Research and Development for Corporate, Subsidiary, and Regional Managing Offices for the U.S.: 2012 

api.census.gov/data/2012/ecnrdofc.html

• Accommodation and Food Services: Subject Series - Misc Subjects: Seating Capacity for the U.S. and States: 2012 

api.census.gov/data/2012/ecnseat.html

• 2012 Economic Census - Economic Census US Economic Data by Size Category

api.census.gov/data/2012/ecnsize.html

• Health Care and Social Assistance: Subject Series - Misc Subjects: Receipts/Revenue by Type of Social Assistance for the U.S.: 2012 

api.census.gov/data/2012/ecnsocial.html

• Mining: Geographic Area Series: Industry Statistics by Type of Operation for the State or Offshore Area: 2012 

api.census.gov/data/2012/ecntype.html

• Wholesale Trade: Subject Series - Misc Subjects: Detailed Type of Operation for the U.S.: 2012 

api.census.gov/data/2012/ecntypop.html

• Construction: Summary Series: General Summary: Value of Construction Work for Location of Construction Work by Subsectors and Industries for U.S. and States: 2012

api.census.gov/data/2012/ecnvalcon.html