1) Общая лексика: country office
2) Военный термин: Chief of Ordnance, Contracting Officer, change order, checkout, chief officer, clerical officer, combined operations, command operations, command orders, commanding officer, commando operations, communications officer, conscientious objector, control officer, corporate office, cypher office
3) Техника: cavity oscillator, chain overseas, check open, circulated-out, cleaning-out, confirmatory order, country officer, crystal-controlled oscillator, current order
4) Химия: угарный газ
5) Железнодорожный термин: CSX Transportation Incorporated
6) Юридический термин: City Ordinance
7) Бухгалтерия: Charge Off
8) Телекоммуникации: Connection-Oriented, Центральная телефонная станция (ЦТС)
9) Сокращение: Carbon Monoxide, Colombia (NATO country code), Colorado (US state), Commissioner's Office, Corsican, castor oil, classifier overflow, continental, cardiac output, Air Post Official (Scott Catalogue prefix; philately), Cabinet Office, Call-Out, Captain Obvious, Captive Office (Nortel), Cargo Oil, Cargo Operations, Case Operations, Cash Out (mortgage refinancing), Caucasian Ovtcharka (dog breed), Cellular One, Central Office (telecommunications/telephony), Certificate of Occupancy, Certificate of Origin, Certified Orthotist (ABC), Certifying Officer, Charlotte Observer (newspaper), Chief Operator, Chill Out, Chinese Orchestra, Ciceronian Oration, Clean Out (sewers/drains), Clerical Officer (obsolete, now AO), Clothes Optional, Coastal Chart, Collection Officer, Colombia, Colton (blood group), Columbia Orchestra (Ellicott City, MD), Combat (game, Natural Selection), Combat Aptitude Area, Combinatorics and Optimization (field of pure mathematics), Comercializadora de Occidente SA (Guatemala), Comitissa (Latin: Countess, Codices And Manuscripts), Command, Command Outpost, Command Output, Commissioned Officer, Commitment to Perform (common feature; Capability Maturity Model Integration), Community Organizer (Philippines), Como (Lombardia, Italy), Complain Of, Compliance, Compliance Officer, Compliance Order, Conan O'Brien, Conference, Congregation of the Oratory, Oratorians (religious order), Conseiller d'Orientation (French), Consent Order, Conservation Operations, Consoleone (Novell GUI), Consolidated Obligation, Constraint Oriented, Consumer Ombudsman (UK), Continental Airlines (airline code), Contracting Official, Controlling, Convert Out, Core Operation(s), Cornish (linguistics), Correction Officer, Correctional Officer, Covert Operations (gaming), Current Operations, Custodial Officer, Cutoff
10) Электроника: Crystal Oscillator
11) Вычислительная техника: Connection Oriented (CL), Check Out (RCS), Central Office (Telephony)
12) Нефть: circulate oil, circulated out, cleaning out, crude oil, вынесенный на поверхность при циркуляции (circulated-out), прочистка (cleaning-out), сырая нефть (crude oil)
13) Связь: Connection Oriented / Central Office
14) Картография: camping ground
15) Банковское дело: предъявительская тратта (cash order), платёжное поручение (cash order)
16) Фирменный знак: Canon
17) Экология: двуокись углерода, окись углерода, углекислый газ, угольный ангидрид
18) СМИ: Clockwork Orange
19) Деловая лексика: Contractual Obligation
20) Бурение: очистка (cleaning out; забоя от песка), чистка скважины (cleaning out)
21) Глоссарий компании Сахалин Энерджи: carbon oxide, chemical abbreviation for carbon monoxide CO
22) Аудит: Code of Obligations
23) Инвестиции: cash order
24) Сетевые технологии: central office
25) Полимеры: change over, close-open, полиэпихлоргидрин
26) Контроль качества: check-out
27) Пластмассы: Epichlorohydrin Rubber (Homopolymer)
28) Химическое оружие: contracting officer (DTRA)
29) Авиационная медицина: center of gravity
30) Нефть и газ: pump cooling oil supply, СО
31) Собаководство: Caucasian Ovcharka
32) Должность: Corrections Officer, Crematory Operator, Customization Operator
33) Федеральное бюро расследований: Columbia Field Office
Универсальный англо-русский словарь. Академик.ру. 2011.