| SABIC Innovative Plastics |
Massachusetts, United States |
| Sacramento Police Officers Association |
California, United States |
| Salt River Project |
Arizona, United States |
| Samaritan's Purse - Canada |
Alberta, Canada |
| Sandia National Laboratories |
New Mexico, United States |
| Sappi Fine Paper North America |
Massachusetts, United States |
| Saskatchewan Crop Insurance Corp. |
Saskatchewan, Canada |
| Saskatchewan Polytechnic |
Saskatchewan, |
| Saskatchewan Workers' Compensation Board |
Saskatchewan, Canada |
| Scholastic Inc. |
New York, United States |
| Scotianbank |
Quebec, Canada |
| Scripps Health |
California, United States |
| Sedgwick, Detert, Moran & Arnold, LLP |
California, United States |
| Segal |
New York, United States |
| Self-Help |
North Carolina, United States |
| Sempra Energy |
California, United States |
| Service Corporation International |
Texas, United States |
| Shaker Recruitment Advertising |
Illinois, United States |
| Sharp HealthCare |
, United States |
| Shell |
Texas, United States |
| Shell Oil Company |
Texas, United States |
| Sidwell Friends School |
District of Columbia, United States |
| Sigma Aldrich |
Missouri, United States |
| Simon Fraser University |
British Columbia, Canada |
| Skanska USA Building Inc. |
New Jersey, United States |
| Skyservice Business Aviation Inc. |
Ontario, Canada |
| Smart Prosperity Institute |
Ontario, Canada |
| Smith & Nephew Orthopaedics GBU |
Tennessee, United States |
| SoBran, Inc. |
Other, United States |
| Society for Human Resource Management |
Virginia, United States |
| Society of Interventional Radiology |
Virginia, United States |
| Sodexo, Inc. |
Maryland, United States |
| Solar Turbines |
California, United States |
| Solectron Corporation |
California, United States |
| Sonoco Products Co. |
South Carolina, United States |
| Sony Electronics |
California, United States |
| Sony of Canada Ltd. |
Other, Canada |
| South University |
Georgia, United States |
| Southern California Association of Governments |
California, United States |
| Sovereign Bank/Banco Santander |
Massachusetts, United States |
| Space Center Houston |
Texas, United States |
| Spansion |
California, United States |
| Spectra Energy |
Texas, United States |
| Spinal Injury Rehabilitation Centre |
, Nepal |
| SSAB Enterprises, LLC |
Illinois, United States |
| St. Clement's School |
Ontario, Canada |
| St. Joseph's Care Group |
Ontario, Canada |
| Standard Life |
Quebec, Canada |
| Stanford Law School |
California, United States |
| Stantec Consulting Ltd. |
Alberta, Canada |
| Staples Advantage |
Massachusetts, United States |
| Starbucks |
Washington, United States |
| Ste. Michelle Wine Estates |
Washington, United States |
| Stephens College |
Missouri, United States |
| Stikeman Elliott |
Ontario, Canada |
| Stollery Children's Hospital Foundation |
Alberta, Canada |
| Students on Ice Foundation |
Quebec, Canada |
| Sun Chemical |
New Jersey, United States |
| Sustainserv |
Massachusetts, United States |
| Swinerton Builders |
California, United Arab Emirates |
| swissnex San Francisco |
California, United States |
| Syngenta International AG |
Other, Switzerland |
| synopsys |
California, United States |
