Petrocelli Electric keeps the city that never sleeps wired. Founded in 1933, the contractor installs and maintains electrical, communications, and lighting systems for commercial, institutional, and public sector clients in the New York City metropolitan area. Its activities include project management, electrical engineering, and design-build services such as developing electrical distribution and communications systems, installing generators and fiber-optic cables, and laying underground feeder cables. In 2009 former owner Santo Petrocelli Sr. pleaded guilty to charges that he made illegal payments to a union official.

Headquartered in Bethlehem, Pennsylvania, Buzzi Unicem USA is one of the leading cement manufacturing companies in the US. The company’s eight cement plants have a production capacity of approximately 8.5 million metric tons. Buzzi Unicem USA, which stems from the merger, early in 2004, of RC Cement (Buzzi Unicem SpA) and Lone Star Industries (Dyckerhoff) serves the Midwest, Southwest, Northeast and Southeast sections of the country. Buzzi Unicem USA Inc. operates 29 cement terminals across the US to distribute the cement into 21 states. Buzzi Unicem USA, with over 1,400 valued employees, supplies cement and masonry cement to over 3,800 ready-mix concrete, highway and airport paving firms, concrete block companies and concrete product firms. The company’s cement manufacturing locations are as follows: Cape Girardeau, MO; Chattanooga, TN; Festus, MO; Greencastle, IN; Maryneal, TX; Oglesby, IL; Pryor, OK and Stockertown, PA.

Levine Builder offers general contracting and management services for ground-up construction and renovation projects. Since its founding in 1979, it has completed more than 60 projects, including hotels, high-rise residential, and retail space, as well as affordable housing, assisted-living facilities, and churches. Its affiliate Douglaston Development oversees Levine's real estate development, while another of its affiliates, Clinton Management, provides property management services for Levine-owned buildings. Chairman Jeffrey E. Levine founded the company and its affiliates.

Engineering and consulting firm KEMRON Environmental Services provides analytical testing, consulting, emergency response, environmental assessment and engineering, geotechnical testing, and site remediation. Customers include branches of the US military and other federal agencies. Its client base also includes private sector companies ranging from small businesses to major manufacturers and FORTUNE 500 companies. KEMRON operates from offices in Georgia, Illinois, Ohio, Virginia, Washington, and West Virginia. The company is owned by its employees.

Vista Group plc originally specialized in manufacturing PVC door panels but expanded its operations to meet an increased demand in composite doors. In addition to PVC and composite doors, Vista also offers a host of products such as stained, sandblasted, etched, and bevelled glass, as well as door knockers and hinges. Founded in 1995, the group is focusing on new build, social housing, and retail markets.

Phillips and Jordan, Incorporated, founded in 1952 as a small land clearing firm, P&J is a general and specialty contractor that still provides land clearing services in addition to industrial, commercial, and residential site development and heavy civil construction on dams, highways, bridges, railroads, and waterways. P&J also performs reclamation, landfill, and disaster recovery services. The latter includes handling some of the nation's worst disaster cleanups, including hurricanes, floods, toxic spills, and land and rock slides. P&J operates more than a dozen offices throughout the Southeast and in California. The Phillips family owns the company.

F.J. Sciame Construction Company provides construction management and building and renovation services, primarily for commercial and institutional projects. Market sectors include education facilities, restaurants, hospitals, retail facilities, historic restorations, and museums and cultural centers. Among the group's notable projects are the restoration of Manhattan's oldest synagogue, restoration of the New Victory Theatre in Times Square, the Cooper Union academic building, and work on the New Museum of Contemporary Art. Other major projects in Times Square include megastores for Capital Music Group, Toys "R" Us, and Madame Tussaud's Wax Museum.

Cornell Iron Works has been owned and managed by the Cornell family since 1828. In the 19th century, we were a manufacturer of specialty ironwork, grates, railings, stairs, vaults and structural and ornamental ironwork. The company originated in New York City serving a regional market then later New England and the middle Atlantic states.

Italian-Thai Development Public Limited company ain't heavy, but its construction projects are. Italian-Thai Development (Italthai) builds some of the largest infrastructure and civil projects in Thailand and across Asia. Its project portfolio includes work on Thailand's rail system, Bangkok's mass transit development plan, and deep-sea port developments at Pak Bara and Pattani ports. The company has branched out across Asia, specializing in industrial, utility, transportation, and telecommunications projects. Italthai has also invested in energy and mining projects. Chaijudh Karnasuta (from Thailand) and Giorgio Berlingieri (from Italy) co-founded the company in 1958.

PYI Corporation invests in infrastructure and cargo port operations on China's Yangtze River. The company also provides commercial development related to its port facilities and owns a majority stake in Paul Y. Engineering Group. PYI's projects, including joint ventures, include the maritime rescue, bridge decking, railway, and surrounding development at Yangkou Port, located at the north end of the Yangtze River Delta. Paul Y. Engineering invests in, develops, and manages the construction of commercial, residential, hospitality, and institutional properties, primarily in Hong Kong.

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