The phrase "a principal office" is correct and usable in written English.
It can be used to refer to the main location or headquarters of a business or organization.
Example: "The company is registered in Delaware, but its principal office is located in New York City."
Alternatives: "main office" or "head office".
The Foundation shall establish a principal office in the United States and may establish such branch offices in Africa as may be necessary to carry out its functions.
Mr. Dru will work with Lee Clow, who will continue as chairman and worldwide creative director at TBWA, based in Playa del Rey, Calif., which is a principal office of TBWA/Chiat/Day.
(f Depository institution means a commercial bank (including a private bank), a savings bank, a trust company, a savings and loan association, a building and loan association, a homestead association, a cooperative bank, an industrial bank, or a credit union, chartered under the laws of the United States and having a principal office located in the United States.
In the case of ACRM, a "principal office" organizes various events provided to members.
The design of Blade.org includes a "principal office," which provides administrative services, infrastructure, and strategic initiatives to operate and expand the community.
The thriller is a rarity in Audiard's oeuvre in that it features a woman, Emmanuelle Devos, in a principal role as a deaf office secretary who takes a shine to a trainee with a criminal record.
John Shaw (NYT) Correction: July 25 , 2003 Friday A report in the World Business Briefing column on Wednesday about an effort by Investa, an Australian property trust, to acquire the Principal Office Fund, an Australian property manager, referred incorrectly to an attempt by the target to prevent the takeover.
HubZones are designated disadvantaged neighborhoods; the government sets aside contracts for businesses that have their principal office in a HubZone and employ HubZone residents.
In these schools, classes are being held in libraries, conference rooms and even a principal's office.
A spokesman for the archdiocese of Los Angeles, Adrian Alarcon, said the alleged theft was discovered during an audit, routinely held after a principal leaves office.
Even more unusual than a principal's office decorated with a sports theme is a high school represented by three alumni playing in the major leagues at the same time.
