Some of our greatest work goes into creating your workspace.

Graycor Oakbrook Terrace

When it comes to building or renovating your low-, mid- and high-rise corporate office construction, you want a contractor that can deliver within your timeline without affecting your bottom line. But is it too much to expect a little something more? We don't think so.

We provide extensive value engineering, rigorous constructability reviews and craftsmanship that's second to none. And our experience managing complex projects in similar fields, from mixed-use facilities to major resorts, means we know how to manage the overall project with your best interests in mind.

GCC Corporate Brochure Cover

Corporate Brochure

John Shannon 2014

For more information about Corporate Facilities Construction, contact Business Development Manager, John Shannon, at  or 630.684.7269.


  • Graycor Construction completed multi-floor renovations to McGladrey's Chicago headquarters at One South Wacker in Chicago, IL. The 16,000-square-foot renovation included partitions, patinting, new flooring, lighting and the setup of owner furnished office furniture and data stations - all while office operations continued.

    Maintaining the construction schedule and effective communication…

  • Graycor completed construction of a $26 million, 135,000-square-foot research and technology center for Cabot Microelectronics in Aurora, IL. The center includes a pilot plant, applications laboratory, and research and development laboratory. Additionally, the facility features a 12,000-square-foot Class 1 clean room, specified to control the concentration of airborne particl…

  • The 55,000-square-foot building consolidated Canadian National′s Midwest and Gulf Division offices. Work included completion of core and shell construction in a seven-month timeframe. This project marks a new chapter in Graycor′s work with the railroad. In 1926, Graycor removed a section of retaining wall along the railroad tracks belonging to CN′s predecessor, Illinois Central Railroad, on the …

  • Motorola′s new two-story research facility accommodates up to 250 software programmers for their personal communications sector (PCS) business unit and features a fitness center and computer backbone vault with raised access and anti-static flooring. The design center, which relocated from Urbana to the University of Illinois′ technology research park, is used for software development.

  • On a fast-track schedule, Graycor completed an interior build-out converting a manufacturing plant into more than 1 million square feet of office and lab space at Motorola′s PCS Tech Center in north suburban Libertyville, IL. The four-story office and lab space consolidated staff from the Libertyville and Harvard, IL, locations. Jones Lang LaSalle served as program manager on…

  • The first phase of the multi-phase endeavor included renovation of the north and south Rush Street entrances and lobbies, a new entrance at the north lobby, restoration of a portion of the limestone facade, signage and new exterior sidewalks and planters. At the north lobby, the construction team added a new entrance with bronze doors and storefronts, a canopy and security station. Renovations t…

  • Graycor has completed another installment of a multi-phased campus expansion for BP. The project included auditoriums, office spaces, and corporate training and learning centers. Other projects have included the environmentally friendly Monarch project office remodel, the expansion and renovation of research facilities and office space, the addition of a three-story, 23,000-square-foot lobby and…

  • For CB Richard Ellis, the Nitti Graycor team converted lobby and office space in this existing 30,000-square-foot building in Tempe, Arizona. The building was repurposed from single tenant to multi-tenant use.

  • Nitti Graycor constructed the Mountain Vista Medical Office Building - a 103,740-square-foot, five-story office building, connected to the Iasis Healthcare Hospital.

  • The Medical Plaza at Spectrum consists of sixteen medical office condominiums developed on an 11-acre site in Gilbert, Arizona. The site includes 94,000 square feet of single-story office space adjacent to Mercy Gilbert Hospital accompanied by covered parking areas and landscaping.

  • This project consists of ten office/industrial buildings totaling approximately 156,954 square feet with an additional 6,000 sq. ft. of mezzanine on an 11-acre site in Phoenix.  The team constructed this project as the design-builder for Panattoni Development.

  • Nitti Graycor completed construction of a 4,194-square-foot banking facility for Chase in Mesa, Ariz., as well as construction of a 4,374-square-foot facility for Bank One (later acquired by Chase) in Phoenix. Ground-up construction of these facilities usually includes site work, parking, lighting, utilities, landscaping and irrigation. JPMorgan has also called on Graycor Construction Company …

  • This 100,000-square-foot build-to-suit for Argonne National Laboratory occupies 1,500 wooded acres in DuPage County, IL, about 25 miles southwest of the Chicago Loop. The site is not only one of the U.S. Department of Energy′s largest research centers, but it also houses their Chicago operations office. The research center was constructed to house 2,900 employees, including approximately 1,…

  • Graycor provided construction services for a new 180,000-square-foot manufacturing facility in suburb Waukegan, IL. The building features administrative offices, employee lounge areas, warehouse facilities and manufacturing areas.

  • Graycor Construction completed construction of an 18,500-square-foot Lexus automotive dealership in Glenview, IL where site-development expertise was provided.

  • The Graycor team completed the entire 42,000-square-foot interior, which includes offices, a research and development area, and testing laboratories.

  • Graycor completed a tenant core and shell build-out of the six-story, 135,000-square-foot Three Lincoln Centre in Oakbrook Terrace, IL. The project enabled ComEd to consolidate its Energy Delivery Group by relocating more than 500 employees to the new office building at the Lincoln Centre office complex. The Centre′s first-floor computer room, which needed to be complete…

  • Graycor Contsrution Company d/b/a Nitti Graycor completed a 90,000-square-foot expansion project for The Salvation Army's divisional headquarters in Phoenix, Arizona. Major renovation, demolition and construction on the 12-acre site provided for a family shelter offering short-term housing for up to 50 families, new administrative and social services offices and improved parking. 

  • BP's Graham Building, a lightweight warehouse, was renovated and expanded to create the William C. Burton Center for Excellence. The updated facility boasts enhanced office capabilities and houses 500 employees.