Question: What American retailer-owned cooperative sponsors the International Race of Champions?

Context articles: Jack Baldwin (racing driver)
IROC XXVI
IROC XXVII
IROC XIV
IROC XXI
IROC XXIII
IROC XXII
True Value
IROC I
IROC XXIV

Jack Baldwin (born May 31, 1948 in Marietta, Georgia) is a race car driver.
 Jack Baldwin is a legend in road racing, with wins in every series that he has competed in, as well as victories at every major race track in the United States during his successful career that has spanned four decades.
 Jack has won 5 professional Championships and over 30 major pro races that include one Daytona 24 Hour win and two 12 hours of Sebring wins.
 Jack was invited twice to compete in the prestigious International Race of Champions (IROC) and has driven all types of race cars over the decades.
 2013 was his 25th running of the Rolex 24 Hours at Daytona.
 Baldwin currently drives a Porsche Cayman S for GTSport Racing in the Pirelli World Challenge and is the most successful Porsche Cayman S driver in the world with seven wins, over a dozen pole positions and twenty-plus podium finishes.
The 26th season of the True Value International Race of Champions began on Friday, February 15, 2002 at Daytona International Speedway.
 The roster included 12 drivers from five separate racing leagues.
 The first race saw Tony Stewart earn his second IROC win.
 Rookie Kevin Harvick won in only his second start in race 2 at California.
 In the first ever IROC race at Chicagoland, Buddy Lazier, Al Unser, Jr., and Hélio Castroneves gave the IRL a sweep of the top three positions in the race.
 In race 4 at Indianapolis, Dale Jarrett took the lead in turn one of the first lap and led the entire race for his second career IROC victory.
 Kevin Harvick became just the sixth driver to win the IROC title in his first season of competition, and also became the first driver to win the title while representing the NASCAR Busch Series.
The 27th season of the Crown Royal International Race of Champions began on Friday, February 14, 2003 at Daytona International Speedway.
 The roster included 12 drivers from five separate racing leagues.
 The first race saw Mark Martin tie an IROC record 11 career wins, tying him with Al Unser, Jr. and Dale Earnhardt.
 Rookie Kurt Busch won in only his second start in race 2 after finishing second at Daytona.
 At Chicagoland, Mike Bliss became the first driver representing the Craftsman Truck Series to win a race in IROC competition.
 Jimmie Johnson won the final race of the year for his first career IROC victory.
 Busch clinched the title with his fourth-place showing in the race, as Mark Martin and Mike Bliss, his closest competitors, finished fifth and tenth, respectively.
IROC XIV was the fourteenth year of the International Race of Champions auto racing competition.
 It took place in 1990 and was the first year the Dodge Daytona was used in competition, and continued the format introduced in IROC VIII.
 Race one took place on the Talladega Superspeedway, race two took place at Burke Lakefront Airport, and race three ran at Michigan International Speedway.
 Dale Earnhardt won the series championship, his first of four, and took home $175,000 for his efforts.
The twenty-first season of the International Race of Champions started on February 17, 1997.
 The series used identically prepared Pontiac Firebird Trans Am race cars, and contested races at Daytona International Speedway, Charlotte Motor Speedway, California Speedway, and Michigan International Speedway.
 Mark Martin won the IROC championship, his second straight and third in four seasons.
The twenty-third season of IROC, the (International Race Of Champions), started on February 12, 1999.
 IROC XXIII was the year that witnessed the closest race and points battle ever.
 It was held at Michigan International Speedway in which Dale Earnhardt beat his son Dale Earnhardt, Jr. The other three contested races were held at Daytona International Speedway, Talladega Superspeedway, and Indianapolis Motor Speedway.
 Earnhardt won the first three races of the season.
 Including two last lap passes at Daytona and Talladega.
The twenty-second season of the International Race of Champions started on February 13, 1998.
 The series used identically prepared Pontiac Firebird Trans Am race cars, and contested races at Daytona International Speedway, California Speedway, Michigan International Speedway, and Indianapolis Motor Speedway.
 Mark Martin won the IROC championship, his third straight and fourth in five seasons.
The True Value Company is an American retailer-owned hardware cooperative with over 4,000 independent retail locations worldwide.
 Members of the True Value cooperative own their individual stores and operate independently of True Value Company.
The inaugural International Race of Champions was held at two tracks over two weekends in 1973 and 1974.
 The first three races were held October 27 and 28 at Riverside International Raceway and the final race was held on the Daytona International Speedway road course on February 14, 1974.
 Champion Mark Donohue won $54000 for his efforts and the championship was determined by prize money rather than points.
 The races were contested in Porsche Carrera RSR race cars.
 This was the only IROC to be contested entirely on road courses.
 Only the top 6 finishing drivers competed in all four races.
The twenty-fourth season of the International Race of Champions started on February 18, 2000.
 The series used identically prepared Pontiac Firebird Trans Am race cars, and contested races at Daytona International Speedway, Talladega Superspeedway, Michigan International Speedway, and Indianapolis Motor Speedway.
 Dale Earnhardt won his second consecutive championship, and his fourth and final overall.