(Listed in the ranking order by North Bay revenues in the March 21 Business Journal list of North Bay Commercial General Contractors.)

Click here for photo galleryWesley Barry II

Vice president and head of project management, Midstate Construction, 1180 Holm Rd., Petaluma 94954; 707-762-3200; midstateconstruction.com; 70 employees; 2010 revenue: $76 million

Wesley Barry, 48, earned Certified Inspector of Sediment and Erosion Control and Qualified Storm Water Pollution Prevention Plan Practitioner (QSP) certifications last month. Roger Nelson is president.

Top current projects: 180-unit Arroyo Vista Family & Senior Housing, Dublin, $33 million; 145,000-square-foot addition to The Meritage Resort and Conference Center, Napa, $24 million; 56,000 square feet of science and humanities buildings at College of the Redwoods, Eureka, $21 million.Richard Ghilotti

President, Ghilotti Construction Co., 246 Ghilotti Ave., Santa Rosa 95407; 707-585-1221; www.ghilotti.com; 277 employees*; 2010 revenues: North Bay $68 million, companywide $124 million

Top recent projects: Cal Park Hill Tunnel, San Rafael, $5 million; Geyserville stabilzation project, $4 million; federal stimulus-funded asphalt overlay project, Sonoma County, $2.3 million.Kelly Kollander

President, O.C. Jones & Sons. North Bay office: 285 Mini Dr., Vallejo 94589-1774; 707-648-0291; www.ocjones.com; 50 North Bay employees; 2010 revenues: North Bay $56 million, companywide $120 million

Top recent local projects: Highway 101 widening, Santa Rosa, $85 million; Interstate 80 expansion, Fairfield, $28 million; Interstate 80 expansion, Vallejo, $20 millionJeff Lucchetti

President, Jeff Luchetti Construction, 70 Stony Point Rd., Ste. D, Santa Rosa 95401; 707-527-5788; www.jlcbuild.com; 38 employees; 2010 revenue: $51 million

Jeff Lucchetti, 54, who started the company in 1998, said the company continues to build its portfolio of LEED projects, including LEED Gold and Platinum. JLC completed a net zero energy-use building for East Bay Municipal Utility District. JLC's modular division  added new products, including two new two-story projects with 30,000 and 36,000 square feet.

Top recent projects: College of Marin new fine arts building, Kentfield, $12.0 million; Sonoma County Office of Education community school, Santa Rosa, $5.2 million; Twin Cities Police Department building, Larkspur, $8.7 million; Marcassin Winery, Windsor.Mark Davis

President, Wright Contracting, P.O. Box 1270, Santa Rosa 95402; 707-528-1172; www.wrightcontracting.com; 35 employees; 2010 revenue: $36 million

Top current projects: North Acute Care Building at Queen of the Valley Medical Center, Napa, $55.0 million; De Anza High School new construction, El Sobrante, $62.5 million; Santa Rosa Junior College Culinary Arts Facility, Santa Rosa, $13.0 million.Michael Ghilotti

President, Ghilotti Bros. Inc., 525 Jacoby St., San Rafael 94901; 415-454-7011; www.ghilottibros.com; 250 employees; 2010 revenues: North Bay $21.3 million, companywide $108 million

Michael Ghilotti, 49, leads a company that made it onto Engineering News-Record's list of the nation's top 400 construction companies (debuting at No. 396), won the Business Journal's Best Places to Work in 2010 and 2011 as well as International Partnering Institute's 2011 Partnering Champion award and San Rafael Chamber of Commerce's 2011 Largest Business of the Year.

Top current projects: Highway 101 widening and HOV lanes, Rohnert Park, $39.4 million; Highway 101 HOV lanes and bridge widening, Novato, $25.1 million (with RM Harris); Conzelman Road improvements, Marin Headlands, $9.8 million; Dry Creek Rancheria northwest embankment retaining wall site improvements, Healdsburg, $3.3 million; Marin County pavement resurfacing, Novato and Tiburon, $1 million.Jonathan Foad

Vice president of operations, Rudolph and Sletten. Regional office: 1504 Eureka Rd., Ste. 200, Roseville 95661-3058; 916-781-8001; www.rsconstruction.com; 2010 revenue: North Bay $22.8 million, companywide $623.0 million

Top local recent project: Sonoma State University Green Music Center, Rohnert Park, $90.0 million.Daniel Garon

Project manager, Devcon Construction. North Bay office: 1700 Corporate Cir., Petaluma 94954; 707-765-1580; www.devcon-const.com; eight North Bay employees*; 2010 revenue: North Bay $17.3 million, companywide $475.0 million

Top recent local project: Enphase Energy tenant improvement, Petaluma, $5.0 million; Thermo Fisher tenant improvement, Petaluma, $3.9 million; The Landing at Hamilton sitework, Novato, $1.9 million; Sonoma Wine Co. solar, Graton, $375,000.Craig Nordby

President and CEO, Nordby Construction; CEO of Nordby Wine Caves and Nordby Signature Homes; 1550 Airport Blvd., Ste. 101, Santa Rosa 95403; 707-526-4500; www.nordby.net; 40 employees; 2010 revenue: North Bay $10 million, companywide $15 million

Top current projects: Nordby Construction: Valhall Winery, Healdsburg. Nordby Wine Caves: Halter Winery, Paso Robles. Nordby Signature Homes: Chalk Hill estate residence, Healdsburg. William McDevitt Jr.

President, McDevitt & McDevitt Construction Corp., 3820 Cypress Dr., Ste. 6, Petaluma 94954; 707-763-3000; www.mcdevittandmcdevitt.com; 13 employees*; 2010 revenue: $13 million

 Top recent projects: Laura Chenel Chevre Sonoma, $5 million-plus; Hill Top 1892 restaurant remodel, Novato, $1.1 million; Bank of Marin branch, Corte Madera, $690,000.Maurice Helmer

President, Helmer & Sons Inc., P.O. Box 868, Angwin 94508; 707-965-2425; www.helmers.net; 40 employees*; 2010 revenues: $12.4 million

A civil engineering graduate from Walla Walla University in 1981, Maurice Helmer leads the company as well as directs its sitework division. The Helmer family started the company in 1975, and incorporated the business in 1991. Co-founder Douglas Helmer runs the building division.

Top recent projects: St. Helena Hospital cancer treatment/outpatient services building, Deer Park, $19.0 million; St. Helena Hospital ancillary remodel and utility trench, Deer Park/St. Helena, $3.3 million; Diamond Hills Estate offsite improvements, Calistoga, $877,000; Pacific Union College dining commons remodel, Angwin, $800,000.Richard Kirby and York Saccomanno

Co-owners, Kirby Construction Co., 3343 Industrial Dr., Ste. 9, Santa Rosa 95403; 707-526-0880; www.kirbycon.com; 15 employees*; 2010 revenues: $9.2 million

Richard Kirby started the company in 2002, and his longtime friend York Saccomanno became a second owner in 2004.

Top recent project: Medical facilities upgrade, Santa Rosa, $8.0 millionJim Murphy

President, Jim Murphy & Associates, 464 Kenwood Ct., Ste. B, Santa Rosa 95407; 707-576-7337; www.j-m-a.com; 38 employees*; 2010 revenues: North Bay $8.1 million, companywide $17.6 million

Top recent projects: KaiserAir Santa Rosa Jet Center hangar, Santa Rosa; Williams Selyem Winery, Russian River Valley; Ganau America new facility, Sonoma, about $5 million.Mike Gentry

President, GCCI, P.O. Box 11039, Santa Rosa 95406; 707-545-2134; www.gcciinc.com; 14 employees; 2010 revenues: $7 million

Mike Gentry, 53, became president in 2009 upon the retirement of Gary Montalto. His father, Lawrence Gentry, who died last year,  started the company in 1976.

Top recent projects: DeTurk Round Barn renovation, Santa Rosa, $2.4 million; county of Marin building renovation, San Rafael, $2.2 million; Point Reyes National Seashore, Point Reyes Station, $1 million.Rick Freeman

President, Codding Construction, 1400 Valley House Dr., Ste. 100, Rohnert Park 94928; 707-795-3550; www.codding.com; 11 employees*; 2010 revenues: $6.2 million

Top recent projects: Coddingtown Mall renovation, Santa Rosa; Middletown High School stadium improvement project, Middletown, $1.6 million; Mary Collins Elementary School remodel, Petaluma, $725,000; Social Security Administration tenant improvements, Santa Rosa, $700,000; Women-Infants-Children office, Santa Rosa, $510,000.Jim Pacatte

President, Pacatte Construction Co., 5560 Skylane Blvd., Ste. B, Santa Rosa 95492; 707-527-5983; www.pacatteconstruction.com; six employees*; 2010 revenue: $5.8 million

Top recent projects: G&C Auto Body, Windsor, $3.0 million; Lytton Rancheria housing, Windsor, $1.5 million; Summerfield Cinema, Santa Rosa, $300,000.Glen Ghilotti

President, Team Ghilotti, 2531 S. Petaluma Blvd., Petaluma 94952; 707-763-8700; www.teamghilotti.com; 30 employees; 2010 revenue: North Bay $4.1 million, companywide $15.8 million

Top recent projects: Kaiser Permanente medical facilities, San Rafael and Santa Rosa; Redwood Landfill expansion, Novato.Tom Andrews

President, Andrews & Thornley Construction**, 951 California Blvd., Napa 94559; 707-252-3478; www.atconstruction.comBill Maudru

President, Cello & Maudru Construction Co.**, 2505 Oak St., Napa 94559; 707-257-0454; www.cello-maudru.comMike Smith Jr.

President, Argonaut Constructors, 1236 Central Ave., Santa Rosa 95401; 707-542-4862; www.argonautconstructors.comGary Ghilotti

Maggiora & Ghilotti, 555 DuBois St., San Rafael 94901; 415-459-8640; www.maggiora-ghilotti.comJohn McGarva

Western Water Constructors, 707 Aviation Blvd., Santa Rosa 95403; 707-540-9640; www.westernwater.com

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* Employment information submitted by the company for the Commercial General Contractors list published in March.

** Andrews & Thornley Construction and Cello & Maudru Construction are among the largest North Bay commercial general contractors but didn't submit revenue information in 2011.