Quality One-stop Civil Engineering 
| Government Agencies | |
| City of Lancaster | cityoflancasterca.org |
| City of Palmdale | cityofpalmdale.org |
| Federal Emergency Management Agency (FEMA) | fema.gov |
| National Centers for Environmental Prediction (NCEP) | ncep.noaa.gov |
| National Institute of Standards and Technology (NIST) | nist.gov |
| Occupational Safety and Health Administration (OSHA) | osha.gov |
| The Department of Energy (DOE) | doe.gov |
| U.S. Department of Commerce (DOC) | doc.gov |
| U.S. Environmental Protection Agency (EPA) | epa.gov |
| U.S. Fish and Wildlife Service, Pacific Region (FWS) | r1.fws.gov |
| U.S. Geological Society (USGS) | usgs.gov |
| Building Code | |
| Council of American Building Officials (CABO) | intlcode.org |
| International Code Council (ICC) | iccsafe.org |
| International Congress of Building Officials (ICBO) | icbo.org |
| National Conference of States of Building Codes and Standards (NCS/BCS) | ncsbcs.org |
| Construction | |
| American Concrete Institute (ACI) | aci-int.org |
| American Fire Sprinkler Association (AFSA) | nfsa.org |
| American National Standards Institute (ANSI) | ansi.org |
| American Society for Testing Materials (ASTM) | astm.org |
| International Organization for Standardization (ISO) | iso.ch |
| Architects/Engineers | |
| American Consulting Engineers Council (ACEC) | acec.org |
| American Society of Civil Engineers (ASCE) | asce.org |
| Consulting Engineers and Land Surveyors of California (CELSOC) | celsoc.org |
| National Society of Professional Engineers (NSPE) | nspe.org |
| Virtual Engineer | virtualengineer.com |
| General | |
| Geographic Data and Management Solutions (GDMS) | gdms-1.com |
| Point of Beginning Magazine | pobonline.com |
| Professional Surveyor Magazine | profsurv.com |