| RockTenn CP, LLC | WestRock | state | 2011 | $1,085,202 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2010 | $15,972 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2004 | $28,680 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2006 | $27,572 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2007 | $33,809 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2008 | $4,441 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2011 | $23,928 | | tax credit/rebate |
| ROCKWELL LABS, LTD | | state | 2013 | $12,408 | | tax credit/rebate |
| ROCKY BAY, INC. DBA NORTHWEST COFFEE ROASTING | | state | 2003 | $13,221 | | tax credit/rebate |
| Roger's Sporting Goods | | local | 2011 | $4,877,796 | | tax increment financing |
| Roger's Sporting Goods | | local | 2015 | $31,291 | | tax increment financing |
| ROLLA WINNELSON CO. / DAPSCO ST. LOUIS | | state | 2003 | $13,325 | | tax credit/rebate |
| ROMA OF SPRINGFIELD | | state | 2012 | $32,506 | | tax credit/rebate |
| Ron Grover | | local | 1996 | undisclosed | | property tax abatement |
| Ronald H. Berg, Jr. & Sheri L. Stamper, LLC | | local | 2007 | undisclosed | | property tax abatement |
| ROSE COFFEE CO | | state | 2002 | $122,071 | | tax credit/rebate |
| ROSS, DANIEL | | state | 2008 | $8,378 | | tax credit/rebate |
| ROSS, DANIEL | | state | 2008 | $2,058 | | tax credit/rebate |
| ROTHSCHILD ALLEN, LLC | | state | 2009 | $111,146 | | tax credit/rebate |
| ROTHSCHILD ALLEN, LLC | | state | 2009 | $100,000 | | tax credit/rebate |
| ROTHSCHILD DEVELOPMENT, LTD | | state | 2008 | $169,898 | | tax credit/rebate |
| ROTHSCHILD DEVELOPMENT, LTD | | state | 2008 | $92,748 | | tax credit/rebate |
| ROTHSCHILD DEVELOPMENT, LTD | | state | 2009 | $107,134 | | tax credit/rebate |
| ROWEN, CLINT | | state | 2011 | $1,220 | | tax credit/rebate |
| ROWEN, CLINT | | state | 2013 | $1,238 | | tax credit/rebate |
| ROYAL OAK ENTERPRISES, INC. | | state | 2002 | $101,370 | | tax credit/rebate |
| ROYAL OAK ENTERPRISES, INC. | | state | 2003 | $111,693 | | tax credit/rebate |
| ROYAL OAK ENTERPRISES, INC. | | state | 2007 | $438,786 | | tax credit/rebate |
| ROYAL OAK ENTERPRISES, INC. | | state | 2007 | $182,684 | | tax credit/rebate |
| RP IIMEG, RP IIIOrscheln, RP IVCommercial | | local | 2016 | $98,386 | | tax increment financing |
| RP IIMEG, RP IIIOrscheln, RP IVCommercial Enter | | local | 2015 | $5,116 | | tax increment financing |
| RQ SQUARED LLC | | state | 2004 | $7,308 | | tax credit/rebate |
| RQ SQUARED LLC | | state | 2004 | $13,022 | | tax credit/rebate |
| RQ SQUARED LLC | | state | 2005 | $78,409 | | tax credit/rebate |
| RR Donnelley & Sons | R.R. Donnelley & Sons | state | 2011 | $558,019 | | tax credit/rebate |
| RR DONNELLEY (BANTA CORPORATION) | R.R. Donnelley & Sons | state | 2000 | $23,217 | | tax credit/rebate |
| RR DONNELLEY (BANTA CORPORATION) | R.R. Donnelley & Sons | state | 2008 | $1,000,000 | | training reimbursement |
| RR DONNELLEY (VON HOFFMAN GRAPHICS) | R.R. Donnelley & Sons | state | 2012 | $150,000 | | tax credit/rebate |
| RUDMAN BUILDING LLC, DBA FARLIN BUILDING LLC | | state | 2008 | $916,978 | | tax credit/rebate |
| RURAL SOURCING, INC./MIDWEST DATA | | state | 2006 | $25,000 | | tax credit/rebate |
| RURALNOW, LLC | | state | 2010 | $2,400 | | tax credit/rebate |
| RUSKIN COMPANY | | state | 2000 | $1,542 | | tax credit/rebate |
| RUSSELL STOVER CANDIES, INC | Lindt & Sprungli | state | 2000 | $14,237 | | tax credit/rebate |
| RUSSELL STOVER CANDIES, INC | Lindt & Sprungli | state | 2001 | $22,529 | | tax credit/rebate |
| RUSSELL, JACK R. & JOAL L. | | state | 2002 | $4,683 | | tax credit/rebate |
| RUSSELL, JACK R. & JOAL L. | | state | 2003 | $5,588 | | tax credit/rebate |
| RUSSELL, JACK R. & JOAL L. | | state | 2005 | $2,803 | | tax credit/rebate |
| RUSTIQUE ENTERPRISES INC | | state | 2000 | $3,325 | | tax credit/rebate |
| RVFD/RVPD, LLC | | state | 2010 | $435,192 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2001 | $14,748 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2002 | $12,330 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2003 | $15,010 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2001 | $12,052 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2002 | $13,150 | | tax credit/rebate |
| RYNEARSON, SUESS, SCHNURBUSCH, & CHAMPION | | state | 2003 | $16,033 | | tax credit/rebate |
| S. M. ARNOLD, INC. | | state | 2003 | $59,375 | | tax credit/rebate |
| SADLER, BILL AND MARY | | state | 2002 | $8,540 | | tax credit/rebate |
| SADLER, BILL AND MARY | | state | 2002 | $3,088 | | tax credit/rebate |
| SADLER, WILLIAM CHARLES| | | state | 2016 | $1,700 | | tax credit/rebate |
| SAFE BUILDING, LLC | | state | 2013 | $67,253 | | tax credit/rebate |
| SAGE LABS | | state | 2013 | $20,192 | | tax credit/rebate |
| SAGE LABS | | state | 2014 | $122,400 | | tax credit/rebate |
| Sailors-Woods Development, LLC | | local | 2011 | $213,000 | | tax increment financing |
| Sailors-Woods Development, LLC | | local | 2013 | $51,600 | | tax increment financing |
| SAINT LOUIS COLLEGE OF PHARMACY | | state | 2002 | $93,750 | | tax credit/rebate |
| SAINT LOUIS COLLEGE OF PHARMACY | | state | 2003 | $93,750 | | tax credit/rebate |
| SAINT LOUIS COLLEGE OF PHARMACY | | state | 2004 | $93,750 | | tax credit/rebate |
| SAINT LOUIS COLLEGE OF PHARMACY | | state | 2005 | $93,750 | | tax credit/rebate |
| SAINT LOUIS UNIVERSITY | | state | 2002 | $125,000 | | tax credit/rebate |
| SAINT LOUIS UNIVERSITY | | state | 2003 | $125,000 | | tax credit/rebate |
| SAINT LOUIS UNIVERSITY | | state | 2004 | $125,000 | | tax credit/rebate |
| SAINT LOUIS UNIVERSITY | | state | 2005 | $125,000 | | tax credit/rebate |
| SAINT LUKE'S EAST HOSPITAL | | state | 2011 | $2,596,673 | | tax credit/rebate |
| SALUME BEDDU, LLC | | state | 2011 | $1,596 | | tax credit/rebate |
| Sansone Group | | local | 2009 | $8,414 | | tax increment financing |
| SANSONE PLAZA ON THE BOULEVARD, LLC | | state | 2006 | $955,886 | | tax credit/rebate |
| SARA LEE CORPORATION | Tyson Foods | state | 2001 | $796,009 | | tax credit/rebate |
| SARA LEE CORPORATION | Tyson Foods | state | 2001 | $1,561,711 | | tax credit/rebate |
| SAVING GRACE B JONES PRODUCTION CO | | state | 2007 | $400,000 | | tax credit/rebate |
| SAVVIS COMMUNICATIONS INC | Lumen Technologies | state | 2006 | $85,746 | | tax credit/rebate |
| SAVVIS COMMUNICATIONS INC | Lumen Technologies | state | 2011 | $1,577,142 | | tax credit/rebate |
| SBC COMMUNICATIONS INC/ADVANCED SOLUTIONS INC OPERATIONS CENTER | AT&T | state | 2001 | $913,428 | | tax credit/rebate |
| SBC COMMUNICATIONS, INC. | AT&T | state | 2002 | $890,135 | | tax credit/rebate |
| SCHAEFFER MANUFACTURING COMPANY | | state | 2003 | $2,201 | | tax credit/rebate |
| SCHAEFFLER GROUP USA, INC. (FAG BEARING) | Schaeffler Technologies | state | 2012 | $899,080 | | tax credit/rebate |
| SCHAEFFLER GROUP USA, INC. (FAG BEARING) | Schaeffler Technologies | state | 2019 | $449,900 | | tax credit/rebate |
| SCHLAFLY, EDWARD F. & CHRISTY | | state | 2002 | $12,500 | | tax credit/rebate |
| SCHLAFLY, EDWARD F. & CHRISTY | | state | 2003 | $12,500 | | tax credit/rebate |
| SCHLAFLY, EDWARD F. & CHRISTY | | state | 2004 | $12,500 | | tax credit/rebate |
| SCHLAFLY, EDWARD F. & CHRISTY | | state | 2005 | $12,500 | | tax credit/rebate |
| SCHLAFLY, J. JOSEPH & ANNIE | | state | 2002 | $12,500 | | tax credit/rebate |
| SCHLAFLY, J. JOSEPH & ANNIE | | state | 2003 | $12,500 | | tax credit/rebate |
| SCHLAFLY, J. JOSEPH & ANNIE | | state | 2004 | $12,500 | | tax credit/rebate |
| SCHLAFLY, J. JOSEPH & ANNIE | | state | 2005 | $12,500 | | tax credit/rebate |
| SCHMIDT, FRANK H. | | state | 2005 | $3,828 | | tax credit/rebate |
| SCHNARR, WILLIAM T. DBA MILL ROCK VINEYARD | | state | 2000 | $15,942 | | tax credit/rebate |
| SCHNARR, WILLIAM T. DBA MILL ROCK VINEYARD | | state | 2003 | $7,066 | | tax credit/rebate |
| SCHNUCK MARKETS, INC | Schnuck Markets | state | 2016 | $101,650 | | training reimbursement |
| SCHNUCK MARKETS, INC. | Schnuck Markets | state | 2001 | $1,103,407 | | tax credit/rebate |
| SCHNUCK MARKETS, INC. | Schnuck Markets | state | 2016 | $101,650 | | training reimbursement |
| SCHNUCK, CRAIG D. | | state | 2002 | $31,250 | | tax credit/rebate |
