59 MIDWEST PRODUCTS GROUP / JEFFERSON CITY, MO.
The company's subsidiaries, including Midwest Block & Brick and Kirchner Block, make and distribute concrete block, brick, and stone in Missouri, Illinois, Kansas, Kentucky, and Tennessee. Recently acquired Basic Block in Springdale, Ark. www.midwestproductsgroup.com
60 CAST-CRETE CORP. / SEFFNER, FLA.
Now the nation's largest producer of precast and prestressed concrete U-lintels, Cast-Crete started in 1955 with five employees who produced precast sills on a 50x100-foot lot and delivered them on a trailer pulled by a station wagon. www.castcrete.com
61 DELTA INDUSTRIES / JACKSON, MISS.
Subsidiaries include Jackson Ready-Mix, Gulf States Ready-Mix, and Pine Belt Ready-Mix. Since 1945, the producer has grown from a single plant to more than 30 locations. www.delta-ind.com
62 DORSETT BROS. CONCRETE SUPPLY INC. / PASADENA, TEXAS
In 2009, the producer worked on the Sam Houston Tollway Northeast. When completed in 2011, the 13-mile, $400 million project will complete the Sam Houston Tollway system. www.dorsettbrothers.com
63 FERRARA BROS. BUILDING MATERIALS / FLUSHING, N.Y.
Family-owned producer reduced diesel emissions in 2009 by installing CARB certified diesel particulate filters. Ferrara received a subsidy to reduce emissions from the New York State Energy Research and Development Authority.
64 STANDARD CONCRETE PRODUCTS / COLUMBUS, GA.
Precast/prestressed producer with a reputation for design/build projects, such as the Ravenel Bridge in Charleston, S.C., and recent work to replace the I-10 Mississippi River Bridge fender system. www.standardconcrete.net
65 BOSTON SAND & GRAVEL / BOSTON
Received a Green Business Award from Boston's mayor in 2009 for reducing energy consumption by 81% at a maintenance garage. The producer installed energy-efficient lighting and the state's first 100kW+ solar energy system on the roof. www.bostonsand.com
66 SILVI GROUP CO. / FAIRLESS HILLS, PA.
This ready-mix and aggregate producer says its most important infrastructure product in 2009 was its work on the Pennsylvania Turnpike. www.silvi.com
67 NEVAD NEVADA READY MIX / LAS VEGAS
Largest concrete and concrete aggregate supplier in Nevada operates more than 250 trucks and nine batch plants in the Las Vegas metropolitan area. www.nevadareadymix.com
68 SPANCRETE GROUP / WAUKESHA, WIS.
The Spancrete Studio, the first corporate-sponsored course of its kind, focuses on precast concrete fabrication and construction for architectural students in the U.S. www.spancrete.com