| 2009 OSI Club Participation | ||||||||||
| Class | Category | # | Driver | Car Model | Club | # Participants | ||||
| ep | p | 49 | Andrew Allison | '79 VW Rabbit | ACCO | |||||
| cp | p | 13 | Bert Jacobson | 83 Camaro 331ci | ACCO | |||||
| es | s | 81 | Caleb Veach | 85 Toyota MR2 | ACCO | |||||
| fsp | sp | 209 | Charles Ray | 1993 Honda Accord 2.2 L | ACCO | |||||
| fjc | m | 2 | Connor Neal | SKM KART 50cc | ACCO | |||||
| xp | p | 59 | David Boyd | 67 Sunbeam Tiger | ACCO | |||||
| fsp | sp | 68 | Jack Gassaway | 1984 VW Rabbit GTI 1.8 | ACCO | |||||
| esp | sp | 19 | James Hudson | 07 Mazda Speed 6 | ACCO | |||||
| stx | sp | 32 | Jeff Ellington | 2002 Subaru WRX 2.0 L | ACCO | |||||
| fp | p | 43 | Jeff Neal | 1974 Datsun 260Z 2.8L | ACCO | |||||
| cp | p | 39 | Jerry Braunberger | 85 Camaro Z28 310 ci | ACCO | |||||
| ospu | p | 44 | Jim Lewis | 87 Porsche 944 2.495L | ACCO | |||||
| epl | p | 21 | Katy Proffitt | '79 VW Rabbit | ACCO | |||||
| em | m | 55 | Luke Smolich | 92 Nissan Sentra SE-R | ACCO | |||||
| ospo | p | 9 | Marvin Wodtli | 2008 Pontiac Solsicte GXP LS-3 364 c.i. | ACCO | |||||
| xp | p | 240 | Morgan Smith | 1972 Datsun 240 Z 5.7 L | ACCO | |||||
| bsp | sp | 72 | Rob Ocker | 04 Subaru WRX STi | ACCO | |||||
| bsp | sp | 42 | Sean Easly | 04 Subaru STI 2.5L | ACCO | |||||
| ospo | p | 12 | Sean Glaab | 2001 Trans Am | ACCO | |||||
| es | s | 5 | Thomas Atkins | 1990 Mazda Miata 1.6 | ACCO | |||||
| xp | p | 76 | Tony Steele | 1972 Datsun 240 Z 5.7 L | ACCO | 21 | ||||
| ep | p | 84 | Aaron Shelton | 84 VW Jetta Silver | EESCC | |||||
| am | m | 31 | Allen Gee | 34 Ford | EESCC | |||||
| cs | s | 11 | Bill Randleman | 06 Miata MX - 5 | EESCC | |||||
| csp | sp | 151 | Blake DeWit | 90 Mazda Miata 1.8L | EESCC | |||||
| xp | p | 65 | Brad Moffett | 1977 VW Scirocco 1.8L | EESCC | |||||
| hsl | s | 8 | Catherine Reid | 74 Datsun 260Z White | EESCC | |||||
| ssm | m | 66 | Devon Tomlin | 84 Mazda Rx-7 1.3L | EESCC | |||||
| bsp | sp | 11 | Jeffrey Fields | 05 Mazda MX-5 1.8L | EESCC | |||||
| bspl | sp | 72 | Jennifer Ocker | 04 Subaru WRX STi | EESCC | |||||
| csp | sp | 51 | Josh McClary | 90 Mazda Miata 1.8 | EESCC | |||||
| fsp | sp | 6 | Kevin Cruz | 83 VW Rabbit GTI | EESCC | |||||
| em | m | 13 | Larry Nelson | 69 Dat S-A- Ford 510 2.8 L | EESCC | |||||
| xp | p | 56 | Nathan Korstad | 1977 VW Scirocco 1.8L | EESCC | |||||
| hs | s | 342 | Patrick O'Donnell | 09 Scion XB 2.4L | EESCC | |||||
| asl | s | 43 | Peggy Steck | 08 Pontiac Solstice 2.0l | EESCC | |||||
| bsp | sp | 124 | Robert Steck | 06 Subaru STI 2.5L | EESCC | |||||
| esp | sp | 77 | Ron Aasted | 06 Ford Mustang 4.6L | EESCC | |||||
| fsp | sp | 9 | Ruben Cruz | 1976 VW Rabbit 1.8L | EESCC | |||||
| sm | p | 8 | Stefan Denham | 04 Impreza WRX STi | EESCC | |||||
| as | s | 43 | Tim Steck | 08 Pontiac Solstice 2.0L | EESCC | |||||
| xp | p | 84 | Tyler Shepard | 85 Toyota MR 2 | EESCC | 21 | ||||
| sm | p | 565 | Brian Bogdon | 97 Ford Mustang SVT | NWAA | |||||
| csp | sp | 71 | Jeremy Pimm | 96 Miata | NWAA | |||||
| bs | s | 12 | Paul Evers | 09 Mini Copper JCW 1.6L | NWAA | |||||
| bm | m | 54 | Steve Newby | D Sport Racer | NWAA | 4 | ||||
| stx | sp | 27 | Dan Bullis | 04 VW Golf R32 3.2L | OR-SCCA | |||||
| es | s | 95 | Jerry Jenkins | 94 Mazda Miata 1.8L | OR-SCCA | |||||
| bsp | sp | 36 | Steve Krygier | 04 Mazda MSM 2.8L | OR-SCCA | 3 | ||||
| st | s | 42 | Glen Arensmeier | 05 Honda Civic 1.7L | SSCC | |||||
| as | s | 47 | Tom McDaniel | 1989 Corvette 350ci | SSCC | 2 | ||||
| dsp | sp | 97 | Kevin Gilley | 89 Nissan 240sx 2.4L | WMC | |||||
| ds | s | 18 | Mark Boesch | 08 Cobalt SS 2L | WMC | 2 | ||||