Listed in the ranking order on Business Journal lists:Commercial General Contractors published on March 19Commercial Landscape Contractors on Sept. 10 (see page 2)Electrical Contractors on Feb. 13 (see page 3)HVAC Contractors on Sept. 10 (see page 4)Solar Companies with contracting licenses on June 18 (see page 5)most-recent Plumbing Contractors list (see page 6)Commercial general contractorsRichard GhilottiGhilotti Construction Co., 246 Ghilotti Ave., Santa Rosa 95407; 707-585-1221; ghilotti.com; 275 employees; '11 revenues: North Bay $63.0 million, companywide $140.0 million
President and Chief Executive Officer Dick Ghilotti, 65, co-founded the general engineering contracting company in 1992. The company has established offices in Marin and Napa counties and the East Bay and acquired North Bay Construction in 2010.Mike GhilottiGhilotti Bros., 525 Jacoby St., San Rafael 94901; 415-454-7011; ghilottibros.com; 83 employees; '11 revenue: North Bay $51.1 million, companywide $90.0 million
Mike Ghilotti, 50, became president in 2000 of the general engineering contracting company his grandfather James Ghilotti started in 1914.Jon FoadRudolph and Sletten, 1504 Eureka Rd., Ste. 200, Roseville 95661; 916-781-8001; rsconstruction.com; 67 employees; '11 revenues: North Bay $9.0 million, companywide $550.0 million
Jon Foad has been with the Redwood City-based company since the late 1980s and became vice president of operations for the Sacramento region in 2007.Roger NelsonMidstate Construction, 1180 Holm Rd., Petaluma 94954; 707-762-3200; midstateconstruction.com; 65 employees; '11 revenues: $90.0 million
Roger Nelson, 66, has been owner and president of 77-year-old Midstate for 35 years. A major North Bay project finished in the past 12 months is the $40 million expansion of The Meritage Resort & Spa in south Napa.Kelly KolanderO.C. Jones & Sons, 930 Shiloh Rd., Bldg. 46, Windsor 95492; 510-526-3424; ocjones.com; 65 employees; '11 revenues: North Bay $49.2 million, companywide $124.0 million
Kelly Kolander is president and chief executive officer of the Berkeley-based general engineering contractor founded in 1924. Recent major North Bay projects have been the widening of Highway 101 from Santa Rosa to Windsor and of Interstate 80 in Fairfield.Jim MurphyJim Murphy & Associates, 464 Kenwood Ct., Ste. B, Santa Rosa 95407; 707-576-7337; j-m-a.com; 46 employees; '11 revenues: North Bay $4.0 million, companywide $25.0 million
President Jim Murphy, 70, started the company in 1968. It specializes in design-build, hospitality, private-school, custom-home and wine-related projects.Mark DavisWright Contracting, P.O. Box 1270, Santa Rosa 95402; 707-528-1172; wrightcontracting.com; 45 employees; '11 revenue: North Bay $38.4 million, companywide $61.9 million
Mark Davis was promoted to president from vice president and operations manager in 2009. He has been working at Wright Contracting for 28 years. Paul V. Wright started the company in 1953.Maurice Helmer and Douglas HelmerHelmer & Sons, P.O. Box 868, Angwin 94508; 707-965-2425; helmers.net; '10 revenues: $12.4 million
President Maurice Helmer leads the company as well as directs its sitework division. Co-founder Douglas Helmer runs the building division. The Helmer family started the company in 1975. Jeff LuchettiJeff Luchetti Construction; 70 Stony Point Rd., Ste. D, Santa Rosa 95401; 707-527-5788; jlcbuild.com; 39 employees; '11 revenues: $52.0 million
Jeff Luchetti, 55, started JLC in 1998. Since then, the company has diversified. JLBuilders builds custom homes, and JLModular constructs permanent and movable buildings for schools, hospitals and correctional facilities.Glen GhilottiTeam Ghilotti, 2531 S. Petaluma Blvd., Petaluma 94952; 707-763-8700; teamghilotti.com; 35 employees; '11 revenues: North Bay $8.0 million, companywide $4.0 million
President Glen Ghilotti, 54, started this general engineering contracting company in 2007, the fourth Ghilotti family business in the North Bay. He is the son of Henry "Babe" Ghilotti, co-founder of San Rafael-based general engineering contracting company Magiorra & Ghilotti and what is now Petaluma-based Shamrock Materials.
Commercial landscape contractorsDennis DoughertyCagwin & Dorward, P.O. Box 1600, Novato 94948; 415-892-7710; cagwin.com; 169 employees
Dennis Dougherty is president, CEO and CFO of the company ornamental horticulturalist Tom Cagwin and economist David Dorward started in 1955.Darryl Orr and David PenryPacific Landscapes, P.O. Box 481, Sebastopol 95473; 707-829-8064; pacificlandscapes.com