Glossary terms: C
789 federal contracting terms, acronyms, and government names that start with C. Each links to a plain-language definition with live federal records.
- C111 (A&E - Architect Services)
- C112 (A&E - Interior Design)
- C119 (A&E - Other Architect Services)
- C211 (A&E - General Engineering)
- C212 (A&E - Structural Engineering)
- C213 (A&E - Mechanical Engineering)
- C214 (A&E - Electrical Engineering)
- C215 (A&E - Chemical Engineering)
- C216 (A&E - Civil Engineering)
- C219 (A&E - Other Engineering)
- C220 (A&E - Environmental Engineering)
- C221 (A&E - Marine Engineering)
- C222 (A&E - Aerospace Engineering)
- Cabarrus County (NC) (North Carolina)
- Cabazon Band of Mission Indians (Pacific)
- Cabell County (WV) (West Virginia)
- Cabo Rojo Municipio (PR) (Puerto Rico)
- CAC (Common Access Card)
- Cache County (UT) (Utah)
- Caddo County (OK) (Oklahoma)
- Caddo Nation (Oklahoma)
- Caddo Parish (LA) (Louisiana)
- CAGE (Commercial and Government Entity Code)
- CAGE (Commercial and Government Entity Code)
- Caguas Municipio (PR) (Puerto Rico)
- Calais Port of Entry (Port 0101)
- Calaveras County (CA) (California)
- Calcasieu Parish (LA) (Louisiana)
- Caldwell County (KY) (Kentucky)
- Caldwell County (MO) (Missouri)
- Caldwell County (NC) (North Carolina)
- Caldwell County (TX) (Texas)
- Caldwell Parish (LA) (Louisiana)
- Caledonia County (VT) (Vermont)
- Calexico East Port of Entry (Port 2504)
- Calexico Port of Entry (Port 2503)
- Calexico Rail Port of Entry (Port 2503)
- Calhoun County (AL) (Alabama)
- Calhoun County (AR) (Arkansas)
- Calhoun County (FL) (Florida)
- Calhoun County (GA) (Georgia)
- Calhoun County (IA) (Iowa)
- Calhoun County (IL) (Illinois)
- Calhoun County (MI) (Michigan)
- Calhoun County (MS) (Mississippi)
- Calhoun County (SC) (South Carolina)
- Calhoun County (TX) (Texas)
- Calhoun County (WV) (West Virginia)
- California (CA)
- California Institute of Technology (private)
- Calista Corporation (Alaska)
- Callahan County (TX) (Texas)
- Callaway County (MO) (Missouri)
- Calloway County (KY) (Kentucky)
- Calumet County (WI) (Wisconsin)
- Calvert County (MD) (Maryland)
- Camas County (ID) (Idaho)
- Cambria County (PA) (Pennsylvania)
- Camden County (GA) (Georgia)
- Camden County (MO) (Missouri)
- Camden County (NC) (North Carolina)
- Camden County (NJ) (New Jersey)
- Cameron County (PA) (Pennsylvania)
- Cameron County (TX) (Texas)
- Cameron Parish (LA) (Louisiana)
- Camp Arifjan (Army installation)
- Camp Atterbury (Army installation)
- Camp Blaz (Marines installation)
- Camp Bondsteel (Army installation)
- Camp County (TX) (Texas)
- Camp Dodge (Army installation)
- Camp Grayling (Army installation)
- Camp Humphreys (Army installation)
- Camp Lejeune (Marines installation)
- Camp Lemonnier (Navy installation)
- Camp Pendleton (Marines installation)
- Camp Ripley (Army installation)
- Camp Roberts (Army installation)
- Camp Shelby (Army installation)
- Camp Smith (Joint installation)
- Campbell County (KY) (Kentucky)
- Campbell County (SD) (South Dakota)
- Campbell County (TN) (Tennessee)
- Campbell County (VA) (Virginia)
- Campbell County (WY) (Wyoming)
- Campbell County FTZ (FTZ 47)
- Campo Band of Mission Indians (Kumeyaay) (Pacific)
- Camuy Municipio (PR) (Puerto Rico)
- Canadian County (OK) (Oklahoma)
- Canandaigua VA Medical Center (VAMC 528A7)
- Candler County (GA) (Georgia)
- Cannon AFB (Air Force installation)
- Cannon County (TN) (Tennessee)
- Canovanas Municipio (PR) (Puerto Rico)
- Canton, OH Metro (Canton-Massillon, OH)
- Canyon County (ID) (Idaho)
- Capability Statement
- Capacity assessments for evidence activities (OMB circular requirement)
- Cape Canaveral (Florida)
- Cape Canaveral Space Force Station (Space Force installation)
- Cape Girardeau County (MO) (Missouri)
- Cape May (New Jersey)
- Cape May County (NJ) (New Jersey)
- Capital planning and investment control (CPIC) for major acquisitions (OMB circular requirement)
- Capital planning for IT investments (OMB circular requirement)
- Captain James A. Lovell Federal Health Care Center (VAMC 556)
- Capture Plan
- Carbon County (MT) (Montana)
- Carbon County (PA) (Pennsylvania)
- Carbon County (UT) (Utah)
- Carbon County (WY) (Wyoming)
- Cares Act (Coronavirus Aid, Relief, and Economic Security Act, 2020)
- CARES Act (Coronavirus Aid, Relief, and Economic Security Act)
- Caribou County (ID) (Idaho)
- Carl Vinson VA Medical Center (VAMC 557)
- Carlisle (Pennsylvania)
- Carlisle Barracks (Army installation)
- Carlisle County (KY) (Kentucky)
- Carlton County (MN) (Minnesota)
- Carnegie Mellon University (private)
- Carolina Municipio (PR) (Puerto Rico)
- Caroline County (MD) (Maryland)
- Caroline County (VA) (Virginia)
- Carroll County (AR) (Arkansas)
- Carroll County (GA) (Georgia)
- Carroll County (IA) (Iowa)
- Carroll County (IL) (Illinois)
- Carroll County (IN) (Indiana)
- Carroll County (KY) (Kentucky)
- Carroll County (MD) (Maryland)
- Carroll County (MO) (Missouri)
- Carroll County (MS) (Mississippi)
- Carroll County (NH) (New Hampshire)
- Carroll County (OH) (Ohio)
- Carroll County (TN) (Tennessee)
- Carroll County (VA) (Virginia)
- Carson City (NV) (Nevada)
- Carson County (TX) (Texas)
- Carter County (KY) (Kentucky)
- Carter County (MO) (Missouri)
- Carter County (MT) (Montana)
- Carter County (OK) (Oklahoma)
- Carter County (TN) (Tennessee)
- Carteret County (NC) (North Carolina)
- Carver County (MN) (Minnesota)
- CAS (Cost Accounting Standards)
- Cascade County (MT) (Montana)
- Casey County (KY) (Kentucky)
- Casper (Wyoming)
- Cass County (IA) (Iowa)
- Cass County (IL) (Illinois)
- Cass County (IN) (Indiana)
- Cass County (MI) (Michigan)
- Cass County (MN) (Minnesota)
- Cass County (MO) (Missouri)
- Cass County (ND) (North Dakota)
- Cass County (NE) (Nebraska)
- Cass County (TX) (Texas)
- Cassia County (ID) (Idaho)
- Castle Point VA Medical Center (VAMC 620A)
- Castro County (TX) (Texas)
- Caswell County (NC) (North Carolina)
- Catahoula Parish (LA) (Louisiana)
- Catano Municipio (PR) (Puerto Rico)
- Catawba County (NC) (North Carolina)
- Catawba Indian Nation (Southeast)
- Category Management
- Category Management Eo
- Catoosa County (GA) (Georgia)
- Catron County (NM) (New Mexico)
- Cattaraugus County (NY) (New York)
- Cavalier County (ND) (North Dakota)
- Cavalier Space Force Station (Space Force installation)
- Cayey Municipio (PR) (Puerto Rico)
- Cayuga County (NY) (New York)
- Cayuga Nation (Northeast)
- CBCA (Civilian Board of Contract Appeals)
- CBO (Congressional Budget Office)
- CBP (Customs and Border Protection)
- CBP Field Office Baltimore (Baltimore)
- CBP Field Office Boston (Boston)
- CBP Field Office Buffalo (Buffalo)
- CBP Field Office Chicago (Chicago)
- CBP Field Office Detroit (Detroit)
- CBP Field Office El Paso (El Paso)
- CBP Field Office Houston (Houston)
- CBP Field Office Laredo (Laredo)
- CBP Field Office Los Angeles (Los Angeles)
- CBP Field Office Miami (Miami)
- CBP Field Office New Orleans (New Orleans)
- CBP Field Office New York (JFK) (New York City)
- CBP Field Office Portland (Oregon) (Portland)
- CBP Field Office San Diego (San Diego)
- CBP Field Office San Francisco (San Francisco)
- CBP Field Office San Juan (San Juan)
- CBP Field Office Seattle (Seattle)
- CBP Field Office Tampa (Tampa)
- CBP Field Office Tucson (Tucson)
- CBP Preclearance Operations (Washington D.C.)
- CCAS (Contingency Contract Administration Services)
- CDA (Contract Disputes Act)
- CDA (Contract Disputes Act)
- CDC (Centers for Disease Control and Prevention)
- CDM (Continuous Diagnostics and Mitigation)
- CDR (Critical Design Review)
- CDRL (Contract Data Requirements List, DD Form 1423)
- Cecil County (MD) (Maryland)
- Cedar County (IA) (Iowa)
- Cedar County (MO) (Missouri)
- Cedar County (NE) (Nebraska)
- Cedar Rapids (Iowa)
- Ceiba Municipio (PR) (Puerto Rico)
- CENSUS
- Census and Statistical Data (CENS)
- Census Bureau Data Center (U.S. Census Bureau)
- Census Bureau Research and Methodology Directorate (Census R&M)
- Center for Missile Defense Studies (CMDS)
- Center for Strategic Studies (CSS)
- Centers for Disease Control and Prevention (CDC)
- Centers for Medicare and Medicaid Services (CMS)
- Central Alabama Veterans Healthcare System — Montgomery (VAMC 619)
- Central Alabama Veterans Healthcare System — Tuskegee (VAMC 619A4)
- Central Arkansas Veterans Healthcare System (VAMC 598)
- Central Arkansas Veterans Healthcare System — North Little Rock (VAMC 598A4)
- Central Council of the Tlingit and Haida Indian Tribes of Alaska (Alaska)
- Central District of California (C.D. Cal.)
- Central District of Illinois (C.D. Ill.)
- Central Intelligence Agency (CIA)
- Central Intelligence Agency Office of Inspector General (CIA OIG)
- Central Texas Veterans Healthcare System — Temple (VAMC 674)
- Central Texas Veterans Healthcare System — Waco (VAMC 674A4)
- Centralized log access for CISA and FBI (OMB circular requirement)
- Centre County (PA) (Pennsylvania)
- Cerro Gordo County (IA) (Iowa)
- Certificate of Competency
- Certified Cost or Pricing Data
- CFDA (Catalog of Federal Domestic Assistance)
- CFP (Contractor-Furnished Property)
- Chaffee County (CO) (Colorado)
- Chalmers P. Wylie VA Ambulatory Care Center (VAMC 757)
- Chambers County (AL) (Alabama)
- Chambers County (TX) (Texas)
- Champaign County (IL) (Illinois)
- Champaign County (OH) (Ohio)
- Champaign, IL Metro (Champaign-Urbana, IL)
- Champlain Port of Entry (Port 0701)
- Chandler (Arizona)
- Change Order
- Chariton County (MO) (Missouri)
- Charles City County (VA) (Virginia)
- Charles County (MD) (Maryland)
- Charles George VA Medical Center (VAMC 637)
- Charles Mix County (SD) (South Dakota)
- Charleston (South Carolina)
- Charleston (West Virginia)
- Charleston County (SC) (South Carolina)
- Charleston, SC Metro (Charleston-North Charleston, SC)
- Charleston, WV Metro (Charleston, WV)
- Charlevoix County (MI) (Michigan)
- Charlie Norwood VA Medical Center (VAMC 509)
- Charlotte (North Carolina)
- Charlotte County (FL) (Florida)
- Charlotte County (VA) (Virginia)
- Charlotte Douglas International Airport (Port 1512)
- Charlotte FTZ (FTZ 57)
- Charlotte, NC Metro (Charlotte-Concord-Gastonia, NC-SC)
- Charlottesville (Virginia)
- Charlottesville City (VA) (Virginia)
- Charlton County (GA) (Georgia)
- Chase County (KS) (Kansas)
- Chase County (NE) (Nebraska)
- Chatham County (GA) (Georgia)
- Chatham County (NC) (North Carolina)
- Chattahoochee County (GA) (Georgia)
- Chattanooga (Tennessee)
- Chattanooga FTZ (FTZ 134)
- Chattanooga, TN Metro (Chattanooga, TN-GA)
- Chattooga County (GA) (Georgia)
- Chautauqua County (KS) (Kansas)
- Chautauqua County (NY) (New York)
- Chaves County (NM) (New Mexico)
- Cheatham County (TN) (Tennessee)
- Cheboygan County (MI) (Michigan)
- Chelan County (WA) (Washington)
- Chemical Safety and Hazard Investigation Board (CSB)
- Chemung County (NY) (New York)
- Chenango County (NY) (New York)
- Cherokee County (AL) (Alabama)
- Cherokee County (GA) (Georgia)
- Cherokee County (IA) (Iowa)
- Cherokee County (KS) (Kansas)
- Cherokee County (NC) (North Carolina)
- Cherokee County (OK) (Oklahoma)
- Cherokee County (SC) (South Carolina)
- Cherokee County (TX) (Texas)
- Cherokee Nation (Oklahoma)
- Cherry County (NE) (Nebraska)
- Chesapeake (Virginia)
- Chesapeake City (VA) (Virginia)
- Cheshire County (NH) (New Hampshire)
- Chester County (PA) (Pennsylvania)
- Chester County (SC) (South Carolina)
- Chester County (TN) (Tennessee)
- Chesterfield County (SC) (South Carolina)
- Chesterfield County (VA) (Virginia)
- Cheyenne (Wyoming)
- Cheyenne and Arapaho Tribes (Oklahoma)
- Cheyenne County (CO) (Colorado)
- Cheyenne County (KS) (Kansas)
- Cheyenne County (NE) (Nebraska)
- Cheyenne River Sioux Tribe (Plains)
- Cheyenne VA Medical Center (VAMC 442)
- Cheyenne, WY Metro (Cheyenne, WY)
- Chicago (Illinois)
- Chicago FTZ (FTZ 22)
- Chicago O'Hare International Airport (Port 3901)
- Chicago, IL Metro (Chicago-Naperville-Elgin, IL-IN-WI)
- Chickahominy Indian Tribe (Southeast)
- Chickahominy Indians Eastern Division (Southeast)
- Chickaloon Native Village (Alaska)
- Chickasaw County (IA) (Iowa)
- Chickasaw County (MS) (Mississippi)
- Chickasaw Nation (Oklahoma)
- Chicot County (AR) (Arkansas)
- Chief AI Officer designation per agency (OMB circular requirement)
- Chief Evaluation Officer designation (OMB circular requirement)
- Children's Health Insurance Program (CHIP) (Centers for Medicare and Medicaid Services)
- Childress County (TX) (Texas)
- Chillicothe VA Medical Center (VAMC 538)
- Chilton County (AL) (Alabama)
- Chippewa County (MI) (Michigan)
- Chippewa County (MN) (Minnesota)
- Chippewa County (WI) (Wisconsin)
- Chippewa Cree Tribe of Rocky Boy's Reservation (Plains)
- Chips Act
- CHIPS Act (CHIPS and Science Act)
- Chisago County (MN) (Minnesota)
- Chitimacha Tribe of Louisiana (Southeast)
- Chittenden County (VT) (Vermont)
- Choctaw County (AL) (Alabama)
- Choctaw County (MS) (Mississippi)
- Choctaw County (OK) (Oklahoma)
- Choctaw Nation of Oklahoma (Oklahoma)
- Chouteau County (MT) (Montana)
- Chowan County (NC) (North Carolina)
- Christian County (IL) (Illinois)
- Christian County (KY) (Kentucky)
- Christian County (MO) (Missouri)
- Christmas Day (December 25)
- Chugach Alaska Corporation (Alaska)
- Chumash Casino (Santa Ynez) (Pacific)
- Churchill County (NV) (Nevada)
- CIA Data Center (Central Intelligence Agency)
- CIA Headquarters (Joint installation)
- Ciales Municipio (PR) (Puerto Rico)
- Cibola County (NM) (New Mexico)
- CICA (Competition in Contracting Act, 1984)
- CICA (Competition in Contracting Act)
- CICA (Competition in Contracting Act)
- Cidra Municipio (PR) (Puerto Rico)
- CIGIE (Council of the Inspectors General on Integrity and Efficiency)
- Cimarron County (OK) (Oklahoma)
- Cincinnati (Ohio)
- Cincinnati FTZ (FTZ 46)
- Cincinnati VA Medical Center (VAMC 539)
- Cincinnati, OH Metro (Cincinnati, OH-KY-IN)
- CIO-SP3
- CIO-SP3 (Chief Information Officer - Solutions and Partners 3 (CIO-SP3))
- CIO-SP4
- CIO-SP4
- CIO-SP4 (Chief Information Officer - Solutions and Partners 4 (CIO-SP4))
- CISA (Cybersecurity and Infrastructure Security Agency)
- Citizen Potawatomi Nation (Oklahoma)
- Citrus County (FL) (Florida)
- Civil Rights (Justice)
- Clackamas County (OR) (Oregon)
- Claiborne County (MS) (Mississippi)
- Claiborne County (TN) (Tennessee)
- Claiborne Parish (LA) (Louisiana)
- Claim
- Clallam County (WA) (Washington)
- Clare County (MI) (Michigan)
- Clarendon County (SC) (South Carolina)
- Clarifications
- Clarion County (PA) (Pennsylvania)
- Clark County (AR) (Arkansas)
- Clark County (ID) (Idaho)
- Clark County (IL) (Illinois)
- Clark County (IN) (Indiana)
- Clark County (KS) (Kansas)
- Clark County (KY) (Kentucky)
- Clark County (MO) (Missouri)
- Clark County (NV) (Nevada)
- Clark County (OH) (Ohio)
- Clark County (SD) (South Dakota)
- Clark County (WA) (Washington)
- Clark County (WI) (Wisconsin)
- Clarke County (AL) (Alabama)
- Clarke County (GA) (Georgia)
- Clarke County (IA) (Iowa)
- Clarke County (MS) (Mississippi)
- Clarke County (VA) (Virginia)
- Clarksburg (West Virginia)
- Clarksburg, WV Metro (Clarksburg, WV)
- Clarksville (Tennessee)
- Clarksville, TN Metro (Clarksville, TN-KY)
- Clatsop County (OR) (Oregon)
- Clay County (AL) (Alabama)
- Clay County (AR) (Arkansas)
- Clay County (FL) (Florida)
- Clay County (GA) (Georgia)
- Clay County (IA) (Iowa)
- Clay County (IL) (Illinois)
- Clay County (IN) (Indiana)
- Clay County (KS) (Kansas)
- Clay County (KY) (Kentucky)
- Clay County (MN) (Minnesota)
- Clay County (MO) (Missouri)
- Clay County (MS) (Mississippi)
- Clay County (NC) (North Carolina)
- Clay County (NE) (Nebraska)
- Clay County (SD) (South Dakota)
- Clay County (TN) (Tennessee)
- Clay County (TX) (Texas)
- Clay County (WV) (West Virginia)
- Clayton County (GA) (Georgia)
- Clayton County (IA) (Iowa)
- Clear Creek County (CO) (Colorado)
- Clear Space Force Station (Space Force installation)
- Clearance Requirement
- Clearfield County (PA) (Pennsylvania)
- Clearwater County (ID) (Idaho)
- Clearwater County (MN) (Minnesota)
- Cleburne County (AL) (Alabama)
- Cleburne County (AR) (Arkansas)
- Clement J. Zablocki VA — Green Bay (VAMC 695A)
- Clement J. Zablocki VA Medical Center (VAMC 695)
- Clerk of the Superior Court
- Clermont County (OH) (Ohio)
- Cleveland (Ohio)
- Cleveland County (AR) (Arkansas)
- Cleveland County (NC) (North Carolina)
- Cleveland County (OK) (Oklahoma)
- Cleveland FTZ (FTZ 40)
- Cleveland, OH Metro (Cleveland-Elyria, OH)
- Climate (Environment)
- CLIN (Contract Line Item Number)
- CLIN (Contract Line Item Number)
- Clinch County (GA) (Georgia)
- Clinger Cohen Act
- Clinger-Cohen Act (Clinger-Cohen Act (Information Technology Management Reform Act))
- Clinical Trial
- Clinical Trials (Research)
- CLINS (Contract Line Item Numbers)
- Clinton County (IA) (Iowa)
- Clinton County (IL) (Illinois)
- Clinton County (IN) (Indiana)
- Clinton County (KY) (Kentucky)
- Clinton County (MI) (Michigan)
- Clinton County (MO) (Missouri)
- Clinton County (NY) (New York)
- Clinton County (OH) (Ohio)
- Clinton County (PA) (Pennsylvania)
- Clinton County FTZ (FTZ 54)
- Clinton County FTZ (FTZ 101)
- Closeout
- Closeout procedures for completed awards (OMB circular requirement)
- Closure of agency-operated records storage facilities (OMB circular requirement)
- Cloud Computing
- Cloud County (KS) (Kansas)
- Cloud exit strategy and data portability (OMB circular requirement)
- Cloud readiness assessment before migration (OMB circular requirement)
- Cloud Smart
- CMMC (Cybersecurity Maturity Model Certification)
- CMMC (Cybersecurity Maturity Model Certification)
- CMMC (NIST related framework)
- CMMC Level 2
- CMS (Centers for Medicare & Medicaid Services)
- CMS Forms (Centers for Medicare and Medicaid Services Forms)
- CMS-1500 (Health Insurance Claim Form)
- CNA Center for Naval Analyses (CNA)
- CO (Contracting Officer)
- CO (Contracting Officer)
- Coahoma County (MS) (Mississippi)
- Coal County (OK) (Oklahoma)
- Coamo Municipio (PR) (Puerto Rico)
- Coast Guard
- Coast Guard Academy (Training Center · 1st District — Northeast)
- Coast Guard Academy (Coast Guard installation)
- Coast Guard Air Station Cape Cod (Coast Guard installation)
- Coast Guard Air Station Clearwater (Coast Guard installation)
- Coast Guard Air Station Elizabeth City (Coast Guard installation)
- Coast Guard Air Station Kodiak (Coast Guard installation)
- Coast Guard Air Station Savannah (Coast Guard installation)
- Coast Guard Base Alameda (Coast Guard installation)
- Coast Guard Base Boston (Coast Guard installation)
- Coast Guard Base Galveston (Coast Guard installation)
- Coast Guard Base Honolulu (Coast Guard installation)
- Coast Guard Base Miami Beach (Coast Guard installation)
- Coast Guard Base Portsmouth (Coast Guard installation)
- Coast Guard Base San Pedro (Coast Guard installation)
- Coast Guard Base Seattle (Coast Guard installation)
- Coast Guard Sector Anchorage (Coast Guard installation)
- Coast Guard Sector Delaware Bay (Coast Guard installation)
- Coast Guard Sector Lake Michigan (Coast Guard installation)
- Coast Guard Sector Puget Sound (Coast Guard installation)
- Coast Guard Sector San Juan (Coast Guard installation)
- Coast Guard Station New Orleans (Coast Guard installation)
- Coast Guard Training Center Cape May (Coast Guard installation)
- Coast Guard Training Center Petaluma (Coast Guard installation)
- Coast Guard Training Center Yorktown (Coast Guard installation)
- Coast Guard Yard (Yard · 5th District — Mid-Atlantic)
- Coast Guard Yard (Coast Guard installation)
- Coatesville VA Medical Center (VAMC 542)
- Cobb County (GA) (Georgia)
- Cochise County (AZ) (Arizona)
- Cochran County (TX) (Texas)
- Cocke County (TN) (Tennessee)
- Coconino County (AZ) (Arizona)
- Cocopah Tribe (Southwest)
- Codington County (SD) (South Dakota)
- Coeur d'Alene Tribe (Northwest)
- COFC (Court of Federal Claims)
- Coffee County (AL) (Alabama)
- Coffee County (GA) (Georgia)
- Coffee County (TN) (Tennessee)
- Coffey County (KS) (Kansas)
- Coke County (TX) (Texas)
- Colbert County (AL) (Alabama)
- Cole County (MO) (Missouri)
- Coleman County (TX) (Texas)
- Coles County (IL) (Illinois)
- Colfax County (NE) (Nebraska)
- Colfax County (NM) (New Mexico)
- Colleton County (SC) (South Carolina)
- Collier County (FL) (Florida)
- Collin County (TX) (Texas)
- Collingsworth County (TX) (Texas)
- Colmery-O'Neil VA Medical Center (VAMC 589A6)
- Colombia-Solidarity Bridge Port of Entry (Port 2306)
- Colonial Heights City (VA) (Virginia)
- Color of Money
- Color Ratings
- Colorado (CO)
- Colorado County (TX) (Texas)
- Colorado River Indian Tribes (Southwest)
- Colorado Springs (Colorado)
- Colorado Springs FTZ (FTZ 112)
- Colorado Springs, CO Metro (Colorado Springs, CO)
- Colquitt County (GA) (Georgia)
- Columbia (South Carolina)
- Columbia (Maryland)
- Columbia County (AR) (Arkansas)
- Columbia County (FL) (Florida)
- Columbia County (GA) (Georgia)
- Columbia County (NY) (New York)
- Columbia County (OR) (Oregon)
- Columbia County (PA) (Pennsylvania)
- Columbia County (WA) (Washington)
- Columbia County (WI) (Wisconsin)
- Columbia FTZ (FTZ 127)
- Columbia University (private)
- Columbia, MO Metro (Columbia, MO)
- Columbia, SC Metro (Columbia, SC)
- Columbiana County (OH) (Ohio)
- Columbus (Ohio)
- Columbus (Georgia)
- Columbus (Mississippi)
- Columbus AFB (Air Force installation)
- Columbus County (NC) (North Carolina)
- Columbus Day / Indigenous Peoples' Day (Second Monday of October)
- Columbus FTZ (FTZ 138)
- Columbus Port of Entry (Port 2401)
- Columbus, OH Metro (Columbus, OH)
- Colusa County (CA) (California)
- Comal County (TX) (Texas)
- Comanche County (KS) (Kansas)
- Comanche County (OK) (Oklahoma)
- Comanche County (TX) (Texas)
- Comanche Nation (Oklahoma)
- Combined Synopsis Solicitation
- Comerio Municipio (PR) (Puerto Rico)
- COMMERCE
- Commerce, Department of
- Commercial Item Determination
- Commercial Item Exception
- Commission on Civil Rights
- Committee for Purchase From People Who Are Blind Or Severely Disabled
- Commodity Futures Trading Commission (CFTC)
- Commodity Futures Trading Commission Office of Inspector General (CFTC OIG)
- Competitive Range
- Complete inventory of authorized devices (OMB circular requirement)
- Compliance audit of each major federal program (OMB circular requirement)
- Compliance Matrix
- Comprehensive data inventory published on data.gov (OMB circular requirement)
- COMSEC (Communications Security) (COMSEC)
- Concho County (TX) (Texas)
- Concord (New Hampshire)
- Concordia Parish (LA) (Louisiana)
- Conecuh County (AL) (Alabama)
- Conejos County (CO) (Colorado)
- Confederated Salish and Kootenai Tribes (Plains)
- Confederated Tribes of Grand Ronde (Northwest)
- Confederated Tribes of Siletz Indians (Northwest)
- Confederated Tribes of the Colville Reservation (Northwest)
- Confederated Tribes of the Goshute Reservation (Southwest)
- Confederated Tribes of the Umatilla Indian Reservation (Northwest)
- Confederated Tribes of Warm Springs (Northwest)
- Confidential Clearance (C)
- Conflict of Interest
- Connecticut (CT)
- Conroe FTZ (FTZ 265)
- Consent to Subcontract
- Consistent design system and branding (USWDS) (OMB circular requirement)
- Construction Forms (Forms used for construction and design-build work)
- Constructive Change
- Consumer Financial Protection Bureau (CFPB)
- Consumer Financial Protection Bureau Office of Inspector General (CFPB OIG)
- Consumer Product Safety Commission (CPSC)
- Consumer Product Safety Commission Office of Inspector General (CPSC OIG)
- Continuation Award
- Continuing Resolution
- Continuous Monitoring
- Continuum of Care (CoC) — Homelessness (Department of Housing and Urban Development)
- Contra Costa County (CA) (California)
- Contract
- Contract Disputes Act
- Contract Vehicle
- Contracting Officer (The Contracting Officer)
- Contribution to critical OSS project security (OMB circular requirement)
- Controlled Technical Information (CTI)
- Converse County (WY) (Wyoming)
- Conway County (AR) (Arkansas)
- Cook County (GA) (Georgia)
- Cook County (IL) (Illinois)
- Cook County (MN) (Minnesota)
- Cook Inlet Region, Inc. (CIRI) (Alaska)
- Cooke County (TX) (Texas)
- Cooper County (MO) (Missouri)
- Cooperative Agreement
- Coos County (NH) (New Hampshire)
- Coos County (OR) (Oregon)
- Coosa County (AL) (Alabama)
- Copiah County (MS) (Mississippi)
- Copper River Census Area (AK) (Alaska)
- Coquille Indian Tribe (Northwest)
- COR (Contracting Officer's Representative)
- COR (Contracting Officer Representative)
- Coronado, CA
- Corozal Municipio (PR) (Puerto Rico)
- Corporal Michael J. Crescenz VA Medical Center (VAMC 642)
- Corporation for National and Community Service (CNCS)
- Corporation for Public Broadcasting Office of Inspector General (CPB OIG)
- Corpus Christi (Texas)
- Corpus Christi Army Depot (Army installation)
- Corpus Christi FTZ (FTZ 122)
- Corpus Christi, TX Metro (Corpus Christi, TX)
- Corrective Action
- Corrective action plans for audit findings (OMB circular requirement)
- Corrective action plans for high-error programs (OMB circular requirement)
- Corry Station (Navy installation)
- Corson County (SD) (South Dakota)
- Cortland County (NY) (New York)
- Coryell County (TX) (Texas)
- Coshocton County (OH) (Ohio)
- Cost accounting standards for educational institutions (OMB circular requirement)
- Cost Accounting System
- Cost allocation base selection (OMB circular requirement)
- Cost allocation plans for central services (OMB circular requirement)
- Cost Analysis
- Cost or Pricing Data
- Cost Plus Award Fee
- Cost Plus Fixed Fee
- Cost Plus Incentive Fee
- Cost Realism
- Cost Realism Analysis
- Cost Reasonableness
- Cost Reimbursement
- Cost savings tracking and reporting (OMB circular requirement)
- Cost Share (or matching)
- Cost sharing and matching requirements (OMB circular requirement)
- Cost Volume
- Costilla County (CO) (Colorado)
- COTR (Contracting Officer's Technical Representative)
- COTR (Contracting Officer Technical Representative)
- Cottle County (TX) (Texas)
- Cotton County (OK) (Oklahoma)
- Cottonwood County (MN) (Minnesota)
- Council of the Inspectors General on Integrity and Efficiency
- Country of Origin
- County Assessor
- County Recorder
- County Sheriff
- County Treasurer
- Court Services and Offender Supervision Agency (CSOSA)
- Coushatta Tribe of Louisiana (Southeast)
- Covington (Kentucky)
- Covington City (VA) (Virginia)
- Covington County (AL) (Alabama)
- Covington County (MS) (Mississippi)
- Cow Creek Band of Umpqua Tribe of Indians (Northwest)
- Coweta County (GA) (Georgia)
- Cowley County (KS) (Kansas)
- Cowlitz County (WA) (Washington)
- Cowlitz County FTZ (FTZ 120)
- CPAF (Cost Plus Award Fee)
- CPAF (Cost-Plus-Award-Fee)
- CPARS (Contractor Performance Assessment Reporting System)
- CPARS (Contractor Performance Assessment Reporting System)
- CPFF (Cost Plus Fixed Fee)
- CPFF (Cost Plus Fixed Fee)
- CPFF (Cost-Plus-Fixed-Fee)
- CPIF (Cost Plus Incentive Fee)
- CPIF (Cost-Plus-Incentive-Fee)
- CR (Cost (No Fee))
- Craig County (OK) (Oklahoma)
- Craig County (VA) (Virginia)
- Craighead County (AR) (Arkansas)
- Crane (Indiana)
- Crane County (TX) (Texas)
- Craven County (NC) (North Carolina)
- Crawford County (AR) (Arkansas)
- Crawford County (GA) (Georgia)
- Crawford County (IA) (Iowa)
- Crawford County (IL) (Illinois)
- Crawford County (IN) (Indiana)
- Crawford County (KS) (Kansas)
- Crawford County (MI) (Michigan)
- Crawford County (MO) (Missouri)
- Crawford County (OH) (Ohio)
- Crawford County (PA) (Pennsylvania)
- Crawford County (WI) (Wisconsin)
- Credit monitoring and identity protection services (OMB circular requirement)
- Creech AFB (Air Force installation)
- Creek County (OK) (Oklahoma)
- Crenshaw County (AL) (Alabama)
- Criminal Justice (Justice)
- Crisp County (GA) (Georgia)
- Critical Nuclear Weapon Design Information (CNWDI)
- Critical vs. non-critical software timelines (OMB circular requirement)
- Crittenden County (AR) (Arkansas)
- Crittenden County (KY) (Kentucky)
- Crockett County (TN) (Tennessee)
- Crockett County (TX) (Texas)
- Crook County (OR) (Oregon)
- Crook County (WY) (Wyoming)
- Crosby County (TX) (Texas)
- Cross County (AR) (Arkansas)
- Crow Creek Sioux Tribe (Plains)
- Crow Tribe of Indians (Plains)
- Crow Wing County (MN) (Minnesota)
- Crowley County (CO) (Colorado)
- CS (Cost-Sharing)
- CSF (NIST related framework)
- CSF 2.0 (Cybersecurity Framework)
- CTA (Contractor Team Arrangement)
- CUI (Controlled Unclassified Information)
- CUI (Controlled Unclassified Information)
- Culberson County (TX) (Texas)
- Culebra Municipio (PR) (Puerto Rico)
- Cullman County (AL) (Alabama)
- Culpeper County (VA) (Virginia)
- Cumberland County (IL) (Illinois)
- Cumberland County (KY) (Kentucky)
- Cumberland County (ME) (Maine)
- Cumberland County (NC) (North Carolina)
- Cumberland County (NJ) (New Jersey)
- Cumberland County (PA) (Pennsylvania)
- Cumberland County (TN) (Tennessee)
- Cumberland County (VA) (Virginia)
- Cuming County (NE) (Nebraska)
- Cure Notice
- Currituck County (NC) (North Carolina)
- Curry County (NM) (New Mexico)
- Curry County (OR) (Oregon)
- Custer County (CO) (Colorado)
- Custer County (ID) (Idaho)
- Custer County (MT) (Montana)
- Custer County (NE) (Nebraska)
- Custer County (OK) (Oklahoma)
- Custer County (SD) (South Dakota)
- Customer feedback integration and measurement (OMB circular requirement)
- Customer journey mapping for designated services (OMB circular requirement)
- Cuyahoga County (OH) (Ohio)
- CX measurement standards and metrics (OMB circular requirement)
- Cybersecurity (National Security)
- Cybersecurity and Infrastructure Security Agency (CISA)
- Cybersecurity Circulars (Cybersecurity circular family)
- Cybersecurity Eo